Android demo app for simple-chatbot example

.github/workflows/android.yaml

@@ -0,0 +1,44 @@
+name: android
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "**"
+  workflow_dispatch:
+    inputs:
+      sdk_git_ref:
+        type: string
+        description: "Which git ref of the app to build"
+
+concurrency:
+  group: build-android-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  sdk:
+    name: "Simple chatbot demo"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.sdk_git_ref || github.ref }}
+
+      - name: "Install Java"
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Build demo app
+        working-directory: examples/simple-chatbot/examples/android
+        run: ./gradlew :simple-chatbot-client:assembleDebug
+
+      - name: Upload demo APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: Simple Chatbot Android Client
+          path: examples/simple-chatbot/examples/android/simple-chatbot-client/build/outputs/apk/debug/simple-chatbot-client-debug.apk

examples/simple-chatbot/examples/android/.gitignore

@@ -0,0 +1,10 @@
+*.iml
+.gradle
+/local.properties
+/.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

examples/simple-chatbot/examples/android/LICENSE

@@ -0,0 +1,24 @@
+BSD 2-Clause License
+
+Copyright (c) 2024, Daily
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

examples/simple-chatbot/examples/android/README.md

@@ -0,0 +1,20 @@
+# Pipecat Simple Chatbot Client for Android
+
+Demo app which connects to the `simple-chatbot` backend over RTVI.
+
+## Screenshot
+
+<img alt="screenshot" src="files/screenshot.jpg" width="400px" />
+
+## How to run
+
+```bash
+./gradlew runDebug
+```
+
+Ensure that the `simple-chatbot` server is running as described in the parent README.
+
+For a full walkthrough, describing how to set up the backend and forward the connection
+to your Android device, please see the following blog post:
+
+https://www.daily.co/blog/build-a-voice-agent-for-android-with-gemini-multimodal-live/

examples/simple-chatbot/examples/android/build.gradle.kts

@@ -0,0 +1,5 @@
+plugins {
+    alias(libs.plugins.jetbrains.kotlin.android) apply false
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.compose.compiler) apply false
+}

examples/simple-chatbot/examples/android/gradle.properties

@@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

examples/simple-chatbot/examples/android/gradle/libs.versions.toml

@@ -0,0 +1,34 @@
+[versions]
+accompanistPermissions = "0.34.0"
+agp = "8.5.2"
+constraintlayoutCompose = "1.0.1"
+pipecatClientDaily = "0.3.2"
+kotlin = "2.0.20"
+coreKtx = "1.13.1"
+lifecycleRuntimeKtx = "2.8.6"
+activityCompose = "1.9.2"
+composeBom = "2024.09.03"
+kotlinxSerializationJson = "1.7.1"
+kotlinxSerializationPlugin = "2.0.20"
+
+[libraries]
+accompanist-permissions = { module = "com.google.accompanist:accompanist-permissions", version.ref = "accompanistPermissions" }
+androidx-constraintlayout-compose = { module = "androidx.constraintlayout:constraintlayout-compose", version.ref = "constraintlayoutCompose" }
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+pipecat-client-daily = { module = "ai.pipecat:daily-transport", version.ref = "pipecatClientDaily" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
+androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinxSerializationJson" }
+
+[plugins]
+jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+android-application = { id = "com.android.application", version.ref = "agp" }
+compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+jetbrains-kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlinxSerializationPlugin" }

examples/simple-chatbot/examples/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon Aug 05 13:01:27 BST 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

examples/simple-chatbot/examples/android/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

examples/simple-chatbot/examples/android/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

examples/simple-chatbot/examples/android/settings.gradle.kts

@@ -0,0 +1,23 @@
+pluginManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "Pipecat Simple Chatbot Client"
+include(":simple-chatbot-client")

examples/simple-chatbot/examples/android/simple-chatbot-client/.gitignore

@@ -0,0 +1 @@
+/build

examples/simple-chatbot/examples/android/simple-chatbot-client/build.gradle.kts

@@ -0,0 +1,75 @@
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.jetbrains.kotlin.android)
+    alias(libs.plugins.jetbrains.kotlin.serialization)
+    alias(libs.plugins.compose.compiler)
+}
+
+android {
+    namespace = "ai.pipecat.simple_chatbot_client"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "ai.pipecat.simple_chatbot_client"
+        minSdk = 26
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0"
+
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+    buildFeatures {
+        compose = true
+        buildConfig = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.1"
+    }
+
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+    implementation(libs.pipecat.client.daily)
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    implementation(libs.accompanist.permissions)
+    implementation(libs.androidx.constraintlayout.compose)
+    implementation(libs.kotlinx.serialization.json)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/AndroidManifest.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+
+    <application
+        android:name=".RTVIApplication"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:usesCleartextTraffic="true"
+        android:theme="@style/Theme.RTVIClient">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:windowSoftInputMode="adjustResize"
+            android:configChanges="keyboard|keyboardHidden|orientation|screenSize"
+            android:theme="@style/Theme.RTVIClient">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/MainActivity.kt

@@ -0,0 +1,257 @@
+package ai.pipecat.simple_chatbot_client
+
+import ai.pipecat.simple_chatbot_client.ui.InCallLayout
+import ai.pipecat.simple_chatbot_client.ui.PermissionScreen
+import ai.pipecat.simple_chatbot_client.ui.theme.Colors
+import ai.pipecat.simple_chatbot_client.ui.theme.RTVIClientTheme
+import ai.pipecat.simple_chatbot_client.ui.theme.TextStyles
+import ai.pipecat.simple_chatbot_client.ui.theme.textFieldColors
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.annotation.DrawableRes
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.shadow
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+
+class MainActivity : ComponentActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+
+        val voiceClientManager = VoiceClientManager(this)
+
+        setContent {
+            RTVIClientTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Box(
+                        Modifier
+                            .fillMaxSize()
+                            .padding(innerPadding)
+                    ) {
+                        PermissionScreen()
+
+                        val vcState = voiceClientManager.state.value
+
+                        if (vcState != null) {
+                            InCallLayout(voiceClientManager)
+
+                        } else {
+                            ConnectSettings(voiceClientManager)
+                        }
+
+                        voiceClientManager.errors.firstOrNull()?.let { errorText ->
+
+                            val dismiss: () -> Unit = { voiceClientManager.errors.removeAt(0) }
+
+                            AlertDialog(
+                                onDismissRequest = dismiss,
+                                confirmButton = {
+                                    Button(onClick = dismiss) {
+                                        Text(
+                                            text = "OK",
+                                            fontSize = 14.sp,
+                                            fontWeight = FontWeight.W700,
+                                            color = Color.White,
+                                            style = TextStyles.base
+                                        )
+                                    }
+                                },
+                                containerColor = Color.White,
+                                title = {
+                                    Text(
+                                        text = "Error",
+                                        fontSize = 22.sp,
+                                        fontWeight = FontWeight.W600,
+                                        color = Color.Black,
+                                        style = TextStyles.base
+                                    )
+                                },
+                                text = {
+                                    Text(
+                                        text = errorText.message,
+                                        fontSize = 16.sp,
+                                        fontWeight = FontWeight.W400,
+                                        color = Color.Black,
+                                        style = TextStyles.base
+                                    )
+                                }
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ConnectSettings(
+    voiceClientManager: VoiceClientManager,
+) {
+    val scrollState = rememberScrollState()
+
+    val start = {
+        val backendUrl = Preferences.backendUrl.value
+
+        voiceClientManager.start(baseUrl = backendUrl!!)
+    }
+
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .verticalScroll(scrollState)
+            .imePadding()
+            .padding(20.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        Box(
+            Modifier
+                .fillMaxWidth()
+                .shadow(2.dp, RoundedCornerShape(16.dp))
+                .clip(RoundedCornerShape(16.dp))
+                .background(Colors.mainSurfaceBackground)
+        ) {
+            Column(
+                Modifier
+                    .fillMaxWidth()
+                    .padding(
+                        vertical = 24.dp,
+                        horizontal = 28.dp
+                    )
+            ) {
+                Spacer(modifier = Modifier.height(12.dp))
+
+                Text(
+                    modifier = Modifier.align(Alignment.CenterHorizontally),
+                    text = "Connect to an RTVI server",
+                    fontSize = 22.sp,
+                    fontWeight = FontWeight.W700,
+                    style = TextStyles.base
+                )
+
+                Spacer(modifier = Modifier.height(36.dp))
+
+                Text(
+                    text = "Backend URL",
+                    fontSize = 16.sp,
+                    fontWeight = FontWeight.W400,
+                    style = TextStyles.base
+                )
+
+                Spacer(modifier = Modifier.height(12.dp))
+
+                TextField(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .border(1.dp, Colors.textFieldBorder, RoundedCornerShape(12.dp)),
+                    value = Preferences.backendUrl.value ?: "",
+                    onValueChange = { Preferences.backendUrl.value = it },
+                    keyboardOptions = KeyboardOptions(
+                        keyboardType = KeyboardType.Uri,
+                        imeAction = ImeAction.Next
+                    ),
+                    colors = textFieldColors(),
+                    shape = RoundedCornerShape(12.dp)
+                )
+
+                Spacer(modifier = Modifier.height(36.dp))
+
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.spacedBy(16.dp)
+                ) {
+                    ConnectDialogButton(
+                        modifier = Modifier.weight(1f),
+                        onClick = start,
+                        text = "Connect",
+                        foreground = Color.White,
+                        background = Colors.buttonNormal,
+                        border = Colors.buttonNormal
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun ConnectDialogButton(
+    onClick: () -> Unit,
+    text: String,
+    foreground: Color,
+    background: Color,
+    border: Color,
+    modifier: Modifier = Modifier,
+    @DrawableRes icon: Int? = null,
+) {
+    val shape = RoundedCornerShape(8.dp)
+
+    Row(
+        modifier
+            .border(1.dp, border, shape)
+            .clip(shape)
+            .background(background)
+            .clickable(onClick = onClick)
+            .padding(vertical = 10.dp, horizontal = 24.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center
+    ) {
+        if (icon != null) {
+            Icon(
+                modifier = Modifier.size(24.dp),
+                painter = painterResource(icon),
+                tint = foreground,
+                contentDescription = null
+            )
+
+            Spacer(modifier = Modifier.width(8.dp))
+        }
+
+        Text(
+            text = text,
+            fontSize = 16.sp,
+            fontWeight = FontWeight.W500,
+            color = foreground
+        )
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/Preferences.kt

@@ -0,0 +1,76 @@
+package ai.pipecat.simple_chatbot_client
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.compose.runtime.mutableStateOf
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+
+private val JSON_INSTANCE = Json { ignoreUnknownKeys = true }
+
+object Preferences {
+
+    private const val PREF_BACKEND_URL = "backend_url"
+
+    private lateinit var prefs: SharedPreferences
+
+    fun initAppStart(context: Context) {
+        prefs = context.applicationContext.getSharedPreferences("prefs", Context.MODE_PRIVATE)
+
+        listOf(backendUrl).forEach { it.init() }
+    }
+
+    private fun getString(key: String): String? = prefs.getString(key, null)
+
+    interface BasePref {
+        fun init()
+    }
+
+    class StringPref(private val key: String): BasePref {
+        private val cachedValue = mutableStateOf<String?>(null)
+
+        override fun init() {
+            cachedValue.value = getString(key)
+            prefs.registerOnSharedPreferenceChangeListener { _, changedKey ->
+                if (key == changedKey) {
+                    cachedValue.value = getString(key)
+                }
+            }
+        }
+
+        var value: String?
+            get() = cachedValue.value
+            set(newValue) {
+                cachedValue.value = newValue
+                prefs.edit().putString(key, newValue).apply()
+            }
+    }
+
+    class JsonPref<E>(private val key: String, private var serializer: KSerializer<E>): BasePref {
+        private val cachedValue = mutableStateOf<E?>(null)
+
+        private fun lookupValue(): E? =
+            getString(key)?.let { JSON_INSTANCE.decodeFromString(serializer, it) }
+
+        override fun init() {
+            cachedValue.value = lookupValue()
+            prefs.registerOnSharedPreferenceChangeListener { _, changedKey ->
+                if (key == changedKey) {
+                    cachedValue.value = lookupValue()
+                }
+            }
+        }
+
+        var value: E?
+            get() = cachedValue.value
+            set(newValue) {
+                cachedValue.value = newValue
+                prefs.edit()
+                    .putString(key, newValue?.let { JSON_INSTANCE.encodeToString(serializer, it) })
+                    .apply()
+            }
+    }
+
+    val backendUrl = StringPref(PREF_BACKEND_URL)
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/RTVIApplication.kt

@@ -0,0 +1,10 @@
+package ai.pipecat.simple_chatbot_client
+
+import android.app.Application
+
+class RTVIApplication : Application() {
+    override fun onCreate() {
+        super.onCreate()
+        Preferences.initAppStart(this)
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/VoiceClientManager.kt

@@ -0,0 +1,196 @@
+package ai.pipecat.simple_chatbot_client
+
+import ai.pipecat.client.RTVIClient
+import ai.pipecat.client.RTVIClientOptions
+import ai.pipecat.client.RTVIClientParams
+import ai.pipecat.client.RTVIEventCallbacks
+import ai.pipecat.client.daily.DailyTransport
+import ai.pipecat.client.result.Future
+import ai.pipecat.client.result.RTVIError
+import ai.pipecat.client.result.Result
+import ai.pipecat.client.types.ActionDescription
+import ai.pipecat.client.types.Option
+import ai.pipecat.client.types.Participant
+import ai.pipecat.client.types.PipecatMetrics
+import ai.pipecat.client.types.RTVIURLEndpoints
+import ai.pipecat.client.types.ServiceConfig
+import ai.pipecat.client.types.ServiceRegistration
+import ai.pipecat.client.types.Tracks
+import ai.pipecat.client.types.Transcript
+import ai.pipecat.client.types.TransportState
+import ai.pipecat.client.types.Value
+import android.content.Context
+import android.util.Log
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import ai.pipecat.simple_chatbot_client.utils.Timestamp
+
+@Immutable
+data class Error(val message: String)
+
+@Stable
+class VoiceClientManager(private val context: Context) {
+
+    companion object {
+        private const val TAG = "VoiceClientManager"
+    }
+
+    private val client = mutableStateOf<RTVIClient?>(null)
+
+    val state = mutableStateOf<TransportState?>(null)
+
+    val errors = mutableStateListOf<Error>()
+
+    val actionDescriptions =
+        mutableStateOf<Result<List<ActionDescription>, RTVIError>?>(null)
+
+    val expiryTime = mutableStateOf<Timestamp?>(null)
+
+    val botReady = mutableStateOf(false)
+    val botIsTalking = mutableStateOf(false)
+    val userIsTalking = mutableStateOf(false)
+    val botAudioLevel = mutableFloatStateOf(0f)
+    val userAudioLevel = mutableFloatStateOf(0f)
+
+    val mic = mutableStateOf(false)
+    val camera = mutableStateOf(false)
+    val tracks = mutableStateOf<Tracks?>(null)
+
+    private fun <E> Future<E, RTVIError>.displayErrors() = withErrorCallback {
+        Log.e(TAG, "Future resolved with error: ${it.description}", it.exception)
+        errors.add(Error(it.description))
+    }
+
+    fun start(baseUrl: String) {
+
+        if (client.value != null) {
+            return
+        }
+
+        val options = RTVIClientOptions(
+            params = RTVIClientParams(
+                baseUrl = baseUrl,
+                endpoints = RTVIURLEndpoints(),
+            )
+        )
+
+        state.value = TransportState.Disconnected
+
+        val callbacks = object : RTVIEventCallbacks() {
+            override fun onTransportStateChanged(state: TransportState) {
+                this@VoiceClientManager.state.value = state
+            }
+
+            override fun onBackendError(message: String) {
+                "Error from backend: $message".let {
+                    Log.e(TAG, it)
+                    errors.add(Error(it))
+                }
+            }
+
+            override fun onBotReady(version: String, config: List<ServiceConfig>) {
+
+                Log.i(TAG, "Bot ready. Version $version, config: $config")
+
+                botReady.value = true
+
+                client.value?.describeActions()?.withCallback {
+                    actionDescriptions.value = it
+                }
+            }
+
+            override fun onPipecatMetrics(data: PipecatMetrics) {
+                Log.i(TAG, "Pipecat metrics: $data")
+            }
+
+            override fun onUserTranscript(data: Transcript) {
+                Log.i(TAG, "User transcript: $data")
+            }
+
+            override fun onBotTranscript(text: String) {
+                Log.i(TAG, "Bot transcript: $text")
+            }
+
+            override fun onBotStartedSpeaking() {
+                Log.i(TAG, "Bot started speaking")
+                botIsTalking.value = true
+            }
+
+            override fun onBotStoppedSpeaking() {
+                Log.i(TAG, "Bot stopped speaking")
+                botIsTalking.value = false
+            }
+
+            override fun onUserStartedSpeaking() {
+                Log.i(TAG, "User started speaking")
+                userIsTalking.value = true
+            }
+
+            override fun onUserStoppedSpeaking() {
+                Log.i(TAG, "User stopped speaking")
+                userIsTalking.value = false
+            }
+
+            override fun onTracksUpdated(tracks: Tracks) {
+                this@VoiceClientManager.tracks.value = tracks
+            }
+
+            override fun onInputsUpdated(camera: Boolean, mic: Boolean) {
+                this@VoiceClientManager.camera.value = camera
+                this@VoiceClientManager.mic.value = mic
+            }
+
+            override fun onConnected() {
+                expiryTime.value = client.value?.expiry?.let(Timestamp::ofEpochSecs)
+            }
+
+            override fun onDisconnected() {
+                expiryTime.value = null
+                actionDescriptions.value = null
+                botIsTalking.value = false
+                userIsTalking.value = false
+                state.value = null
+                actionDescriptions.value = null
+                botReady.value = false
+                tracks.value = null
+
+                client.value?.release()
+                client.value = null
+            }
+
+            override fun onUserAudioLevel(level: Float) {
+                userAudioLevel.floatValue = level
+            }
+
+            override fun onRemoteAudioLevel(level: Float, participant: Participant) {
+                botAudioLevel.floatValue = level
+            }
+        }
+
+        val client = RTVIClient(DailyTransport.Factory(context), callbacks, options)
+
+        client.connect().displayErrors().withErrorCallback {
+            callbacks.onDisconnected()
+        }
+
+        this.client.value = client
+    }
+
+    fun enableCamera(enabled: Boolean) {
+        client.value?.enableCam(enabled)?.displayErrors()
+    }
+
+    fun enableMic(enabled: Boolean) {
+        client.value?.enableMic(enabled)?.displayErrors()
+    }
+
+    fun toggleCamera() = enableCamera(!camera.value)
+    fun toggleMic() = enableMic(!mic.value)
+
+    fun stop() {
+        client.value?.disconnect()?.displayErrors()
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/AudioIndicator.kt

@@ -0,0 +1,70 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.animateFloatAsState
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.Canvas
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.StrokeCap
+import androidx.compose.ui.semantics.clearAndSetSemantics
+
+@Composable
+fun ListeningAnimation(
+    modifier: Modifier,
+    active: Boolean,
+    level: Float,
+    color: Color,
+) {
+    val infiniteTransition = rememberInfiniteTransition("listeningAnimation")
+
+    val loopState by infiniteTransition.animateFloat(
+        initialValue = 0f,
+        targetValue = Math.PI.toFloat() * 2f,
+        animationSpec = infiniteRepeatable(tween(durationMillis = 1000, easing = LinearEasing)),
+        label = "listeningAnimationLoopState"
+    )
+
+    val activeFraction by animateFloatAsState(
+        if (active) {
+            Math.pow(level.toDouble(), 0.3).toFloat()
+        } else {
+            0f
+        }
+    )
+
+    Canvas(modifier.clearAndSetSemantics { }) {
+
+        val strokeWidthPx = size.width / 12
+
+        val lineCount = 5
+
+        for (i in 1..lineCount) {
+
+            val sine = Math.sin(loopState + 0.9 * i)
+            val fraction = activeFraction * ((sine + 1) / 2).toFloat()
+
+            val x = (size.width / (lineCount + 1)) * i
+
+            val yMax = size.height * 0.25f
+            val yMin = size.height * 0.5f
+
+            val y = yMin + (yMax - yMin) * fraction
+            val yEnd = size.height - y
+
+            this.drawLine(
+                start = Offset(x, y),
+                end = Offset(x, yEnd),
+                color = color,
+                strokeWidth = strokeWidthPx,
+                cap = StrokeCap.Round
+            )
+        }
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/BotIndicator.kt

@@ -0,0 +1,93 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.ui.theme.Colors
+import androidx.compose.animation.AnimatedContent
+import androidx.compose.animation.animateColorAsState
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.aspectRatio
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.FloatState
+import androidx.compose.runtime.State
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.shadow
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.StrokeCap
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun BotIndicator(
+    modifier: Modifier,
+    isReady: Boolean,
+    isTalking: State<Boolean>,
+    audioLevel: FloatState,
+) {
+    Box(
+        modifier = modifier.padding(15.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        val color by animateColorAsState(if (isTalking.value || !isReady) {
+            Color.Black
+        } else {
+            Colors.botIndicatorBackground
+        })
+
+        Box(
+            Modifier
+                .aspectRatio(1f)
+                .fillMaxSize()
+                .shadow(20.dp, CircleShape)
+                .border(12.dp, Color.White, CircleShape)
+                .border(1.dp, Colors.lightGrey, CircleShape)
+                .clip(CircleShape)
+                .background(color)
+                .padding(50.dp),
+            contentAlignment = Alignment.Center,
+        ) {
+            AnimatedContent(
+                targetState = isReady
+            ) { isReadyVal ->
+                if (isReadyVal) {
+                    ListeningAnimation(
+                        modifier = Modifier.fillMaxSize(),
+                        active = isTalking.value,
+                        level = audioLevel.floatValue,
+                        color = Color.White
+                    )
+                } else {
+                    CircularProgressIndicator(
+                        modifier = Modifier.size(180.dp),
+                        color = Color.White,
+                        strokeWidth = 12.dp,
+                        strokeCap = StrokeCap.Round,
+                        trackColor = color
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+@Preview
+fun PreviewBotIndicator() {
+    BotIndicator(
+        modifier = Modifier,
+        isReady = false,
+        isTalking = remember { mutableStateOf(true) },
+        audioLevel = remember { mutableFloatStateOf(1.0f) }
+    )
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/InCallFooter.kt

@@ -0,0 +1,89 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.R
+import ai.pipecat.simple_chatbot_client.ui.theme.Colors
+import androidx.annotation.DrawableRes
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+private fun FooterButton(
+    modifier: Modifier,
+    onClick: () -> Unit,
+    @DrawableRes icon: Int,
+    text: String,
+    foreground: Color,
+    background: Color,
+    border: Color,
+) {
+    val shape = RoundedCornerShape(12.dp)
+
+    Row(
+        modifier
+            .border(1.dp, border, shape)
+            .clip(shape)
+            .background(background)
+            .clickable(onClick = onClick)
+            .padding(vertical = 10.dp, horizontal = 18.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.Center
+    ) {
+        Icon(
+            modifier = Modifier.size(24.dp),
+            painter = painterResource(icon),
+            tint = foreground,
+            contentDescription = null
+        )
+
+        Spacer(modifier = Modifier.width(8.dp))
+
+        Text(
+            text = text,
+            fontSize = 14.sp,
+            fontWeight = FontWeight.W600,
+            color = foreground
+        )
+    }
+}
+
+@Composable
+fun ColumnScope.InCallFooter(
+    onClickEnd: () -> Unit,
+) {
+    Row(Modifier
+        .fillMaxWidth(0.5f)
+        .padding(15.dp)
+        .align(Alignment.CenterHorizontally)
+    ) {
+        FooterButton(
+            modifier = Modifier.weight(1f),
+            onClick = onClickEnd,
+            icon = R.drawable.phone_hangup,
+            text = "End",
+            foreground = Color.White,
+            background = Colors.endButton,
+            border = Colors.endButton
+        )
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/InCallHeader.kt

@@ -0,0 +1,49 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.utils.Timestamp
+import androidx.compose.animation.AnimatedContent
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.togetherWith
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.constraintlayout.compose.ConstraintLayout
+
+@Composable
+fun InCallHeader(
+    expiryTime: Timestamp?
+) {
+    ConstraintLayout(
+        Modifier
+            .fillMaxWidth()
+            .padding(vertical = 15.dp)
+    ) {
+        val refTimer = createRef()
+
+        AnimatedContent(
+            modifier = Modifier.constrainAs(refTimer) {
+                top.linkTo(parent.top)
+                bottom.linkTo(parent.bottom)
+                end.linkTo(parent.end)
+            },
+            targetState = expiryTime,
+            transitionSpec = { fadeIn() togetherWith fadeOut() }
+        ) { expiryTimeVal ->
+            if (expiryTimeVal != null) {
+                Timer(expiryTime = expiryTimeVal, modifier = Modifier)
+            }
+        }
+    }
+}
+
+@Composable
+@Preview
+fun PreviewInCallHeader() {
+    InCallHeader(
+        Timestamp.now() + java.time.Duration.ofMinutes(3)
+    )
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/InCallLayout.kt

@@ -0,0 +1,70 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.VoiceClientManager
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun InCallLayout(voiceClientManager: VoiceClientManager) {
+
+    val localCam by remember { derivedStateOf { voiceClientManager.tracks.value?.local?.video } }
+
+    Column(Modifier.fillMaxSize()) {
+
+        InCallHeader(expiryTime = voiceClientManager.expiryTime.value)
+
+        Box(
+            modifier = Modifier
+                .weight(1f)
+                .fillMaxWidth(),
+            contentAlignment = Alignment.Center
+        ) {
+            Column(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(12.dp, Alignment.CenterVertically)
+            ) {
+                BotIndicator(
+                    modifier = Modifier,
+                    isReady = voiceClientManager.botReady.value,
+                    isTalking = voiceClientManager.botIsTalking,
+                    audioLevel = voiceClientManager.botAudioLevel
+                )
+
+                Row(
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    UserMicButton(
+                        onClick = voiceClientManager::toggleMic,
+                        micEnabled = voiceClientManager.mic.value,
+                        modifier = Modifier,
+                        isTalking = voiceClientManager.userIsTalking,
+                        audioLevel = voiceClientManager.userAudioLevel
+                    )
+
+                    UserCamButton(
+                        onClick = voiceClientManager::toggleCamera,
+                        camEnabled = voiceClientManager.camera.value,
+                        camTrackId = localCam,
+                        modifier = Modifier
+                    )
+                }
+            }
+        }
+
+        InCallFooter(
+            onClickEnd = voiceClientManager::stop
+        )
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/PermissionScreen.kt

@@ -0,0 +1,99 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.ui.theme.Colors
+import ai.pipecat.simple_chatbot_client.ui.theme.TextStyles
+import android.Manifest
+import android.util.Log
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.shadow
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.window.Dialog
+import com.google.accompanist.permissions.ExperimentalPermissionsApi
+import com.google.accompanist.permissions.isGranted
+import com.google.accompanist.permissions.rememberPermissionState
+
+@OptIn(ExperimentalPermissionsApi::class)
+@Composable
+fun PermissionScreen() {
+    val cameraPermission = rememberPermissionState(Manifest.permission.CAMERA)
+    val micPermission = rememberPermissionState(Manifest.permission.RECORD_AUDIO)
+
+    val requestPermissionLauncher = rememberLauncherForActivityResult(
+        ActivityResultContracts.RequestMultiplePermissions()
+    ) { isGranted ->
+        Log.i("MainActivity", "Permissions granted: $isGranted")
+    }
+
+    if (!cameraPermission.status.isGranted || !micPermission.status.isGranted) {
+
+        Dialog(
+            onDismissRequest = {},
+        ) {
+            val dialogShape = RoundedCornerShape(16.dp)
+
+            Column(
+                Modifier
+                    .shadow(6.dp, dialogShape)
+                    .border(2.dp, Colors.logoBorder, dialogShape)
+                    .clip(dialogShape)
+                    .background(Color.White)
+                    .padding(28.dp)
+            ) {
+                Text(
+                    text = "Permissions",
+                    fontSize = 24.sp,
+                    fontWeight = FontWeight.W700,
+                    style = TextStyles.base
+                )
+
+                Spacer(modifier = Modifier.height(8.dp))
+
+                Text(
+                    text = "Please grant camera and mic permissions to continue",
+                    fontSize = 18.sp,
+                    fontWeight = FontWeight.W400,
+                    style = TextStyles.base
+                )
+
+                Spacer(modifier = Modifier.height(36.dp))
+
+                Button(
+                    modifier = Modifier.align(Alignment.End),
+                    shape = RoundedCornerShape(12.dp),
+                    onClick = {
+                        requestPermissionLauncher.launch(
+                            arrayOf(
+                                Manifest.permission.CAMERA,
+                                Manifest.permission.RECORD_AUDIO
+                            )
+                        )
+                    }
+                ) {
+                    Text(
+                        text = "Grant permissions",
+                        fontSize = 16.sp,
+                        fontWeight = FontWeight.W700,
+                        style = TextStyles.base
+                    )
+                }
+            }
+        }
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/Timer.kt

@@ -0,0 +1,72 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.R
+import ai.pipecat.simple_chatbot_client.ui.theme.Colors
+import ai.pipecat.simple_chatbot_client.utils.Timestamp
+import ai.pipecat.simple_chatbot_client.utils.formatTimer
+import ai.pipecat.simple_chatbot_client.utils.rtcStateSecs
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.widthIn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import java.time.Duration
+
+@Composable
+fun Timer(
+    expiryTime: Timestamp,
+    modifier: Modifier,
+) {
+    val now by rtcStateSecs()
+
+    val shape = RoundedCornerShape(
+        topStart = 12.dp,
+        bottomStart = 12.dp,
+    )
+
+    Row(
+        modifier = modifier
+            .widthIn(min = 100.dp)
+            .clip(shape)
+            .background(Colors.lightGrey)
+            .padding(top = 12.dp, bottom = 12.dp, start = 12.dp, end = 16.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Icon(
+            painter = painterResource(id = R.drawable.timer_outline),
+            contentDescription = null,
+            modifier = Modifier.size(20.dp),
+            tint = Colors.expiryTimerForeground
+        )
+
+        Spacer(Modifier.width(8.dp))
+
+        Text(
+            text = formatTimer(duration = expiryTime - now),
+            fontSize = 16.sp,
+            fontWeight = FontWeight.W600,
+            color = Colors.expiryTimerForeground
+        )
+    }
+}
+
+@Composable
+@Preview
+fun PreviewExpiryTimer() {
+    Timer(Timestamp.now() + Duration.ofMinutes(5), Modifier)
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/UserCamButton.kt

@@ -0,0 +1,111 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.R
+import ai.pipecat.simple_chatbot_client.ui.theme.Colors
+import ai.pipecat.client.daily.VoiceClientVideoView
+import ai.pipecat.client.types.MediaTrackId
+import androidx.compose.animation.animateColorAsState
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.Icon
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.shadow
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+
+@Composable
+fun UserCamButton(
+    onClick: () -> Unit,
+    camEnabled: Boolean,
+    camTrackId: MediaTrackId?,
+    modifier: Modifier,
+) {
+    Box(
+        modifier = modifier.padding(15.dp).size(96.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        val color by animateColorAsState(
+            if (camEnabled) {
+                Colors.unmutedMicBackground
+            } else {
+                Colors.mutedMicBackground
+            }
+        )
+
+        Box(
+            Modifier
+                .fillMaxSize()
+                .shadow(3.dp, CircleShape)
+                .border(6.dp, Color.White, CircleShape)
+                .border(1.dp, Colors.lightGrey, CircleShape)
+                .clip(CircleShape)
+                .background(color)
+                .clickable(onClick = onClick),
+            contentAlignment = Alignment.Center,
+        ) {
+            if (camTrackId != null) {
+                AndroidView(
+                    factory = { context ->
+                        VoiceClientVideoView(context)
+                    },
+                    update = { view ->
+                        view.voiceClientTrack = camTrackId
+                    }
+                )
+            } else {
+                Icon(
+                    modifier = Modifier.size(30.dp),
+                    painter = painterResource(
+                        if (camEnabled) {
+                            R.drawable.video
+                        } else {
+                            R.drawable.video_off
+                        }
+                    ),
+                    tint = Color.White,
+                    contentDescription = if (camEnabled) {
+                        "Disable camera"
+                    } else {
+                        "Enable camera"
+                    },
+                )
+            }
+        }
+    }
+}
+
+@Composable
+@Preview
+fun PreviewUserCamButton() {
+    UserCamButton(
+        onClick = {},
+        camTrackId = null,
+        camEnabled = true,
+        modifier = Modifier,
+    )
+}
+
+@Composable
+@Preview
+fun PreviewUserCamButtonMuted() {
+    UserCamButton(
+        onClick = {},
+        camTrackId = null,
+        camEnabled = false,
+        modifier = Modifier,
+    )
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/UserMicButton.kt

@@ -0,0 +1,114 @@
+package ai.pipecat.simple_chatbot_client.ui
+
+import ai.pipecat.simple_chatbot_client.R
+import ai.pipecat.simple_chatbot_client.ui.theme.Colors
+import androidx.compose.animation.animateColorAsState
+import androidx.compose.animation.core.animateDpAsState
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.Icon
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.FloatState
+import androidx.compose.runtime.State
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.shadow
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun UserMicButton(
+    onClick: () -> Unit,
+    micEnabled: Boolean,
+    modifier: Modifier,
+    isTalking: State<Boolean>,
+    audioLevel: FloatState,
+) {
+    Box(
+        modifier = modifier.padding(15.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        val borderThickness by animateDpAsState(
+            if (isTalking.value) {
+                (24.dp * Math.pow(audioLevel.floatValue.toDouble(), 0.3).toFloat()) + 3.dp
+            } else {
+                6.dp
+            }
+        )
+
+        val color by animateColorAsState(
+            if (!micEnabled) {
+                Colors.mutedMicBackground
+            } else if (isTalking.value) {
+                Color.Black
+            } else {
+                Colors.unmutedMicBackground
+            }
+        )
+
+        Box(
+            Modifier
+                .shadow(3.dp, CircleShape)
+                .border(borderThickness, Color.White, CircleShape)
+                .border(1.dp, Colors.lightGrey, CircleShape)
+                .clip(CircleShape)
+                .background(color)
+                .clickable(onClick = onClick)
+                .padding(36.dp),
+            contentAlignment = Alignment.Center,
+        ) {
+            Icon(
+                modifier = Modifier.size(48.dp),
+                painter = painterResource(
+                    if (micEnabled) {
+                        R.drawable.microphone
+                    } else {
+                        R.drawable.microphone_off
+                    }
+                ),
+                tint = Color.White,
+                contentDescription = if (micEnabled) {
+                    "Mute microphone"
+                } else {
+                    "Unmute microphone"
+                },
+            )
+        }
+    }
+}
+
+@Composable
+@Preview
+fun PreviewUserMicButton() {
+    UserMicButton(
+        onClick = {},
+        micEnabled = true,
+        modifier = Modifier,
+        isTalking = remember { mutableStateOf(false) },
+        audioLevel = remember { mutableFloatStateOf(1.0f) }
+    )
+}
+
+@Composable
+@Preview
+fun PreviewUserMicButtonMuted() {
+    UserMicButton(
+        onClick = {},
+        micEnabled = false,
+        modifier = Modifier,
+        isTalking = remember { mutableStateOf(false) },
+        audioLevel = remember { mutableFloatStateOf(1.0f) }
+    )
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/theme/Color.kt

@@ -0,0 +1,22 @@
+package ai.pipecat.simple_chatbot_client.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+object Colors {
+    val buttonNormal = Color(0xFF374151)
+    val buttonWarning = Color(0xFFE53935)
+    val buttonSection = Color(0xFFDFF1FF)
+
+    val activityBackground = Color(0xFFF9FAFB)
+    val mainSurfaceBackground = Color.White
+
+    val lightGrey = Color(0x7FE5E7EB)
+    val expiryTimerForeground = Color.Black
+    val logoBorder = Color(0xFFE2E8F0)
+    val endButton = Color(0xFF0F172A)
+    val textFieldBorder = Color(0xFFDFE6EF)
+
+    val botIndicatorBackground = Color(0xFF374151)
+    val mutedMicBackground = Color(0xFFF04A4A)
+    val unmutedMicBackground = Color(0xFF616978)
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/theme/Theme.kt

@@ -0,0 +1,36 @@
+package ai.pipecat.simple_chatbot_client.ui.theme
+
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+
+private val LightColorScheme = lightColorScheme(
+    primary = Colors.buttonNormal,
+    secondary = Colors.buttonWarning,
+    background = Colors.activityBackground,
+    surface = Colors.mainSurfaceBackground
+)
+
+@Composable
+fun RTVIClientTheme(
+    content: @Composable () -> Unit
+) {
+    val colorScheme = LightColorScheme
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
+
+@Composable
+fun textFieldColors() = TextFieldDefaults.colors().copy(
+    unfocusedContainerColor = Colors.activityBackground,
+    focusedContainerColor = Colors.activityBackground,
+    focusedIndicatorColor = Color.Transparent,
+    disabledIndicatorColor = Color.Transparent,
+    unfocusedIndicatorColor = Color.Transparent,
+)

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/ui/theme/Type.kt

@@ -0,0 +1,40 @@
+package ai.pipecat.simple_chatbot_client.ui.theme
+
+import ai.pipecat.simple_chatbot_client.R
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+object TextStyles {
+    val base = TextStyle(fontFamily = FontFamily(Font(R.font.inter)))
+}
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/utils/RealTimeClock.kt

@@ -0,0 +1,21 @@
+package ai.pipecat.simple_chatbot_client.utils
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.flow
+
+private val rtcFlowSecs = flow {
+    while(true) {
+        val now = Timestamp.now().toEpochMilli()
+
+        val rounded = ((now + 500) / 1000) * 1000
+        emit(Timestamp.ofEpochMilli(rounded))
+
+        val target = rounded + 1000
+        delay(target - now)
+    }
+}
+
+@Composable
+fun rtcStateSecs() = rtcFlowSecs.collectAsState(initial = Timestamp.now())

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/java/ai/pipecat/simple_chatbot_client/utils/TimeUtils.kt

@@ -0,0 +1,64 @@
+package ai.pipecat.simple_chatbot_client.utils
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
+import java.time.Duration
+import java.time.Instant
+import java.time.format.DateTimeFormatter
+import java.util.Date
+
+// Wrapper for Compose stability
+@Immutable
+@JvmInline
+value class Timestamp(
+    val value: Instant
+) : Comparable<Timestamp> {
+    val isInPast: Boolean
+        get() = value < Instant.now()
+
+    val isInFuture: Boolean
+        get() = value > Instant.now()
+
+    fun toEpochMilli() = value.toEpochMilli()
+
+    operator fun plus(duration: Duration) = Timestamp(value + duration)
+
+    operator fun minus(duration: Duration) = Timestamp(value - duration)
+
+    operator fun minus(rhs: Timestamp) = Duration.between(rhs.value, value)
+
+    override operator fun compareTo(other: Timestamp) = value.compareTo(other.value)
+
+    fun toISOString(): String = DateTimeFormatter.ISO_INSTANT.format(value)
+
+    override fun toString() = toISOString()
+
+    companion object {
+        fun now() = Timestamp(Instant.now())
+
+        fun ofEpochMilli(value: Long) = Timestamp(Instant.ofEpochMilli(value))
+
+        fun ofEpochSecs(value: Long) = ofEpochMilli(value * 1000)
+
+        fun parse(value: CharSequence) = Timestamp(Instant.parse(value))
+
+        fun from(date: Date) = Timestamp(date.toInstant())
+    }
+}
+
+@Composable
+fun formatTimer(duration: Duration): String {
+
+    if (duration.seconds < 0) {
+        return "0s"
+    }
+
+    val mins = duration.seconds / 60
+    val secs = duration.seconds % 60
+
+    return if (mins == 0L) {
+        "${secs}s"
+    } else {
+        "${mins}m ${secs}s"
+    }
+}

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/chevron_down.xml

@@ -0,0 +1 @@
+<!-- drawable/chevron_down.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/chevron_right.xml

@@ -0,0 +1 @@
+<!-- drawable/chevron_right.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M8.59,16.58L13.17,12L8.59,7.41L10,6L16,12L10,18L8.59,16.58Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/cog.xml

@@ -0,0 +1 @@
+<!-- drawable/cog.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M12,15.5A3.5,3.5 0 0,1 8.5,12A3.5,3.5 0 0,1 12,8.5A3.5,3.5 0 0,1 15.5,12A3.5,3.5 0 0,1 12,15.5M19.43,12.97C19.47,12.65 19.5,12.33 19.5,12C19.5,11.67 19.47,11.34 19.43,11L21.54,9.37C21.73,9.22 21.78,8.95 21.66,8.73L19.66,5.27C19.54,5.05 19.27,4.96 19.05,5.05L16.56,6.05C16.04,5.66 15.5,5.32 14.87,5.07L14.5,2.42C14.46,2.18 14.25,2 14,2H10C9.75,2 9.54,2.18 9.5,2.42L9.13,5.07C8.5,5.32 7.96,5.66 7.44,6.05L4.95,5.05C4.73,4.96 4.46,5.05 4.34,5.27L2.34,8.73C2.21,8.95 2.27,9.22 2.46,9.37L4.57,11C4.53,11.34 4.5,11.67 4.5,12C4.5,12.33 4.53,12.65 4.57,12.97L2.46,14.63C2.27,14.78 2.21,15.05 2.34,15.27L4.34,18.73C4.46,18.95 4.73,19.03 4.95,18.95L7.44,17.94C7.96,18.34 8.5,18.68 9.13,18.93L9.5,21.58C9.54,21.82 9.75,22 10,22H14C14.25,22 14.46,21.82 14.5,21.58L14.87,18.93C15.5,18.67 16.04,18.34 16.56,17.94L19.05,18.95C19.27,19.03 19.54,18.95 19.66,18.73L21.66,15.27C21.78,15.05 21.73,14.78 21.54,14.63L19.43,12.97Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/console.xml

@@ -0,0 +1 @@
+<!-- drawable/console.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M20,19V7H4V19H20M20,3A2,2 0 0,1 22,5V19A2,2 0 0,1 20,21H4A2,2 0 0,1 2,19V5C2,3.89 2.9,3 4,3H20M13,17V15H18V17H13M9.58,13L5.57,9H8.4L11.7,12.3C12.09,12.69 12.09,13.33 11.7,13.72L8.42,17H5.59L9.58,13Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/microphone.xml

@@ -0,0 +1 @@
+<!-- drawable/microphone.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M12,2A3,3 0 0,1 15,5V11A3,3 0 0,1 12,14A3,3 0 0,1 9,11V5A3,3 0 0,1 12,2M19,11C19,14.53 16.39,17.44 13,17.93V21H11V17.93C7.61,17.44 5,14.53 5,11H7A5,5 0 0,0 12,16A5,5 0 0,0 17,11H19Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/microphone_off.xml

@@ -0,0 +1 @@
+<!-- drawable/microphone_off.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M19,11C19,12.19 18.66,13.3 18.1,14.28L16.87,13.05C17.14,12.43 17.3,11.74 17.3,11H19M15,11.16L9,5.18V5A3,3 0 0,1 12,2A3,3 0 0,1 15,5V11L15,11.16M4.27,3L21,19.73L19.73,21L15.54,16.81C14.77,17.27 13.91,17.58 13,17.72V21H11V17.72C7.72,17.23 5,14.41 5,11H6.7C6.7,14 9.24,16.1 12,16.1C12.81,16.1 13.6,15.91 14.31,15.58L12.65,13.92L12,14A3,3 0 0,1 9,11V10.28L3,4.27L4.27,3Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/phone_hangup.xml

@@ -0,0 +1 @@
+<!-- drawable/phone_hangup.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M12,9C10.4,9 8.85,9.25 7.4,9.72V12.82C7.4,13.22 7.17,13.56 6.84,13.72C5.86,14.21 4.97,14.84 4.17,15.57C4,15.75 3.75,15.86 3.5,15.86C3.2,15.86 2.95,15.74 2.77,15.56L0.29,13.08C0.11,12.9 0,12.65 0,12.38C0,12.1 0.11,11.85 0.29,11.67C3.34,8.77 7.46,7 12,7C16.54,7 20.66,8.77 23.71,11.67C23.89,11.85 24,12.1 24,12.38C24,12.65 23.89,12.9 23.71,13.08L21.23,15.56C21.05,15.74 20.8,15.86 20.5,15.86C20.25,15.86 20,15.75 19.82,15.57C19.03,14.84 18.14,14.21 17.16,13.72C16.83,13.56 16.6,13.22 16.6,12.82V9.72C15.15,9.25 13.6,9 12,9Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/timer_outline.xml

@@ -0,0 +1 @@
+<!-- drawable/timer_outline.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M12,20A7,7 0 0,1 5,13A7,7 0 0,1 12,6A7,7 0 0,1 19,13A7,7 0 0,1 12,20M19.03,7.39L20.45,5.97C20,5.46 19.55,5 19.04,4.56L17.62,6C16.07,4.74 14.12,4 12,4A9,9 0 0,0 3,13A9,9 0 0,0 12,22C17,22 21,17.97 21,13C21,10.88 20.26,8.93 19.03,7.39M11,14H13V8H11M15,1H9V3H15V1Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/video.xml

@@ -0,0 +1 @@
+<!-- drawable/video.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M17,10.5V7A1,1 0 0,0 16,6H4A1,1 0 0,0 3,7V17A1,1 0 0,0 4,18H16A1,1 0 0,0 17,17V13.5L21,17.5V6.5L17,10.5Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/drawable/video_off.xml

@@ -0,0 +1 @@
+<!-- drawable/video_off.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M3.27,2L2,3.27L4.73,6H4A1,1 0 0,0 3,7V17A1,1 0 0,0 4,18H16C16.2,18 16.39,17.92 16.54,17.82L19.73,21L21,19.73M21,6.5L17,10.5V7A1,1 0 0,0 16,6H9.82L21,17.18V6.5Z" /></vector>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Pipecat Simple Chatbot Client</string>
+</resources>

examples/simple-chatbot/examples/android/simple-chatbot-client/src/main/res/values/themes.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.RTVIClient" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>