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Init codebase: Provide TTS function
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app/.gitignore

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/build

app/build.gradle

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apply plugin: 'com.android.application'
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apply plugin: 'org.jetbrains.kotlin.android'
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apply plugin: 'dagger.hilt.android.plugin'
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apply plugin: 'kotlin-kapt'
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android {
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namespace 'ai.elimu.common.utils'
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compileSdk 35
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defaultConfig {
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applicationId "ai.elimu.common.utils"
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minSdk 26
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targetSdk 35
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_17
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targetCompatibility JavaVersion.VERSION_17
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}
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kotlinOptions {
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jvmTarget = '17'
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}
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buildFeatures {
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viewBinding true
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}
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}
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dependencies {
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implementation project(':utils')
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implementation libs.androidx.core.ktx
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implementation libs.androidx.lifecycle.runtime.ktx
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implementation libs.androidx.appcompat
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implementation libs.hilt.android
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kapt libs.hilt.compiler
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testImplementation libs.junit
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androidTestImplementation libs.androidx.junit
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androidTestImplementation libs.androidx.espresso.core
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}

app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile
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package ai.elimu.common.utils
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("ai.elimu.common.utils", appContext.packageName)
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}
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}

app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:name=".BaseApplication"
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.Commonutils"
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tools:targetApi="31">
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<activity
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android:name=".ui.MainActivity"
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android:exported="true"
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android:theme="@style/Theme.Commonutils">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>
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package ai.elimu.common.utils
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import android.app.Application
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import dagger.hilt.android.HiltAndroidApp
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@HiltAndroidApp
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class BaseApplication: Application() {
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}
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package ai.elimu.common.utils.ui
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import ai.elimu.common.utils.data.model.tts.QueueMode
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import ai.elimu.common.utils.databinding.ActivityMainBinding
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import ai.elimu.common.utils.viewmodel.TextToSpeechViewModel
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import ai.elimu.common.utils.viewmodel.TextToSpeechViewModelImpl
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import android.os.Bundle
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import android.speech.tts.UtteranceProgressListener
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import android.util.Log
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import androidx.appcompat.app.AppCompatActivity
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import androidx.lifecycle.ViewModelProvider
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import androidx.lifecycle.lifecycleScope
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import dagger.hilt.android.AndroidEntryPoint
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import kotlinx.coroutines.launch
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import kotlin.random.Random
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@AndroidEntryPoint
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class MainActivity: AppCompatActivity() {
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private val TAG = "MainActivity"
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private lateinit var ttsViewModel: TextToSpeechViewModel
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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val binding = ActivityMainBinding.inflate(layoutInflater)
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setContentView(binding.root)
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ttsViewModel = ViewModelProvider(this)[TextToSpeechViewModelImpl::class.java]
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binding.btnSpeak.setOnClickListener {
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val utteranceId = Random.nextInt().toString()
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ttsViewModel.speak(binding.edtSpeak.text.toString(), QueueMode.ADD, utteranceId)
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Log.d(TAG, "speak utteranceId: $utteranceId")
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binding.btnSpeak.isEnabled = false
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}
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ttsViewModel.setOnUtteranceProgressListener(object : UtteranceProgressListener() {
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override fun onStart(utteranceId: String?) {
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}
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override fun onDone(utteranceId: String?) {
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Log.d(TAG, "onDone utteranceId: $utteranceId")
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lifecycleScope.launch {
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binding.btnSpeak.isEnabled = true
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}
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}
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override fun onError(utteranceId: String?) {
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}
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override fun onError(utteranceId: String?, errorCode: Int) {
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super.onError(utteranceId, errorCode)
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}
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})
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}
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}
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="108dp"
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android:height="108dp"
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android:viewportWidth="108"
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android:viewportHeight="108">
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android:fillColor="#3DDC84"
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android:pathData="M0,0h108v108h-108z" />
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android:fillColor="#00000000"
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android:pathData="M9,0L9,108"
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android:strokeColor="#33FFFFFF" />
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