Add Android demo for spoken language identification using Whisper multilingual models (#783)

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.SherpaOnnxSpokenLanguageIdentification"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.SherpaOnnxSpokenLanguageIdentification">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/Home.kt

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+@file:OptIn(ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class)
+
+package com.k2fsa.sherpa.onnx.slid
+
+import android.Manifest
+import android.app.Activity
+import android.content.pm.PackageManager
+import android.media.AudioFormat
+import android.media.AudioRecord
+import android.media.MediaRecorder
+import android.util.Log
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.ui.Modifier
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.CenterAlignedTopAppBar
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.core.app.ActivityCompat
+import kotlin.concurrent.thread
+
+@Composable
+fun Home() {
+    Scaffold(
+        topBar = {
+            CenterAlignedTopAppBar(
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer,
+                    titleContentColor = MaterialTheme.colorScheme.primary,
+                ),
+                title = {
+                    Text(
+                        "Next-gen Kaldi: Spoken language identification",
+                        fontWeight = FontWeight.Bold,
+                        fontSize = 13.sp,
+                    )
+                },
+            )
+        },
+        content = {
+            MyApp(it)
+        },
+    )
+}
+
+private var audioRecord: AudioRecord? = null
+private val sampleRateInHz = 16000
+
+@Composable
+fun MyApp(padding: PaddingValues) {
+    val activity = LocalContext.current as Activity
+    var isStarted by remember { mutableStateOf(false) }
+    var result by remember { mutableStateOf<String>("") }
+
+    val onButtonClick: () -> Unit = {
+        isStarted = !isStarted
+        if (isStarted) {
+            result = ""
+            if (ActivityCompat.checkSelfPermission(
+                    activity,
+                    Manifest.permission.RECORD_AUDIO
+                ) != PackageManager.PERMISSION_GRANTED
+            ) {
+                Log.i(TAG, "Recording is not allowed")
+            } else {
+                val audioSource = MediaRecorder.AudioSource.MIC
+                val channelConfig = AudioFormat.CHANNEL_IN_MONO
+                val audioFormat = AudioFormat.ENCODING_PCM_16BIT
+                val numBytes =
+                    AudioRecord.getMinBufferSize(sampleRateInHz, channelConfig, audioFormat)
+
+                audioRecord = AudioRecord(
+                    audioSource,
+                    sampleRateInHz,
+                    AudioFormat.CHANNEL_IN_MONO,
+                    AudioFormat.ENCODING_PCM_16BIT,
+                    numBytes * 2 // a sample has two bytes as we are using 16-bit PCM
+                )
+
+                thread(true) {
+                    Log.i(TAG, "processing samples")
+                    val interval = 0.1 // i.e., 100 ms
+                    val bufferSize = (interval * sampleRateInHz).toInt() // in samples
+                    val buffer = ShortArray(bufferSize)
+                    val sampleList = ArrayList<FloatArray>()
+                    audioRecord?.let {
+                        it.startRecording()
+                        while (isStarted) {
+                            val ret = it.read(buffer, 0, buffer.size)
+                            ret.let { n ->
+                                val samples = FloatArray(n) { buffer[it] / 32768.0f }
+                                sampleList.add(samples)
+                            }
+                        }
+                    }
+                    Log.i(TAG, "Stop recording")
+                    Log.i(TAG, "Start recognition")
+                    val samples = Flatten(sampleList)
+                    val stream = Slid.slid.createStream()
+                    stream.acceptWaveform(samples, sampleRateInHz)
+                    val lang = Slid.slid.compute(stream)
+
+                    result = Slid.localeMap.get(lang) ?: lang
+
+                    stream.release()
+                }
+            }
+        }
+    }
+
+    Box(
+        modifier = Modifier.fillMaxSize(),
+        contentAlignment = Alignment.TopCenter
+    ) {
+        Column(
+            Modifier.padding(padding),
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Spacer(modifier = Modifier.height(16.dp))
+            Button(onClick = onButtonClick) {
+                if (isStarted) {
+                    Text("Stop")
+                } else {
+                    Text("Start")
+                }
+            }
+
+            Spacer(modifier = Modifier.height(16.dp))
+            if (result.isNotEmpty() && result.isNotBlank()) {
+                Text("Detected language: $result")
+            }
+        }
+    }
+}
+
+fun Flatten(sampleList: ArrayList<FloatArray>): FloatArray {
+    var totalSamples = 0
+    for (a in sampleList) {
+        totalSamples += a.size
+    }
+    var i = 0
+    val samples = FloatArray(totalSamples)
+    for (a in sampleList) {
+        for (s in a) {
+            samples[i] = s
+            i += 1
+        }
+    }
+    Log.i(TAG, "$i, $totalSamples")
+
+    return samples
+}

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/MainActivity.kt

@@ -0,0 +1,74 @@
+package com.k2fsa.sherpa.onnx.slid
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.util.Log
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.core.app.ActivityCompat
+import com.k2fsa.sherpa.onnx.SpokenLanguageIdentification
+import com.k2fsa.sherpa.onnx.slid.ui.theme.SherpaOnnxSpokenLanguageIdentificationTheme
+
+const val TAG = "sherpa-onnx"
+private const val REQUEST_RECORD_AUDIO_PERMISSION = 200
+
+class MainActivity : ComponentActivity() {
+    private val permissions: Array<String> = arrayOf(Manifest.permission.RECORD_AUDIO)
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            SpokenLanguageIdentificationApp()
+        }
+        ActivityCompat.requestPermissions(this, permissions, REQUEST_RECORD_AUDIO_PERMISSION)
+        Slid.initSlid(this.assets)
+    }
+    @Suppress("DEPRECATION")
+    @Deprecated("Deprecated in Java")
+    override fun onRequestPermissionsResult(
+        requestCode: Int,
+        permissions: Array<out String>,
+        grantResults: IntArray
+    ) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        val permissionToRecordAccepted = if (requestCode == REQUEST_RECORD_AUDIO_PERMISSION) {
+            grantResults[0] == PackageManager.PERMISSION_GRANTED
+        } else {
+            false
+        }
+
+        if (!permissionToRecordAccepted) {
+            Log.e(TAG, "Audio record is disallowed")
+            Toast.makeText(
+                this,
+                "This App needs access to the microphone",
+                Toast.LENGTH_SHORT
+            )
+                .show()
+            finish()
+        }
+        Log.i(TAG, "Audio record is permitted")
+    }
+}
+
+@Composable
+fun SpokenLanguageIdentificationApp() {
+    SherpaOnnxSpokenLanguageIdentificationTheme {
+        // A surface container using the 'background' color from the theme
+        Surface(
+            modifier = Modifier.fillMaxSize(),
+            color = MaterialTheme.colorScheme.background
+        ) {
+            Home()
+        }
+    }
+}

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/OfflineStream.kt

@@ -0,0 +1 @@
+../../../../../../../../../../SherpaOnnxAudioTagging/app/src/main/java/com/k2fsa/sherpa/onnx/audio/tagging/OfflineStream.kt

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/SpokenLanguageIdentification.kt

@@ -0,0 +1,102 @@
+package com.k2fsa.sherpa.onnx
+
+import android.content.res.AssetManager
+import android.util.Log
+
+private val TAG = "sherpa-onnx"
+
+data class SpokenLanguageIdentificationWhisperConfig (
+    var encoder: String,
+    var decoder: String,
+    var tailPaddings: Int = -1,
+)
+
+data class SpokenLanguageIdentificationConfig (
+    var whisper: SpokenLanguageIdentificationWhisperConfig,
+    var numThreads: Int = 1,
+    var debug: Boolean = false,
+    var provider: String = "cpu",
+)
+
+class SpokenLanguageIdentification (
+    assetManager: AssetManager? = null,
+    config: SpokenLanguageIdentificationConfig,
+) {
+    private var ptr: Long
+
+    init {
+        ptr = if (assetManager != null) {
+            newFromAsset(assetManager, config)
+        } else {
+            newFromFile(config)
+        }
+    }
+
+    protected fun finalize() {
+        if (ptr != 0L) {
+            delete(ptr)
+            ptr = 0
+        }
+    }
+
+    fun release() = finalize()
+
+    fun createStream(): OfflineStream {
+        val p = createStream(ptr)
+        return OfflineStream(p)
+    }
+
+    fun compute(stream: OfflineStream) =  compute(ptr, stream.ptr)
+
+    private external fun newFromAsset(
+        assetManager: AssetManager,
+        config: SpokenLanguageIdentificationConfig,
+    ): Long
+
+    private external fun newFromFile(
+        config: SpokenLanguageIdentificationConfig,
+    ): Long
+
+    private external fun delete(ptr: Long)
+
+    private external fun createStream(ptr: Long): Long
+
+    private external fun compute(ptr: Long, streamPtr: Long): String
+
+    companion object {
+        init {
+            System.loadLibrary("sherpa-onnx-jni")
+        }
+    }
+}
+// please refer to
+// https://k2-fsa.github.io/sherpa/onnx/spolken-language-identification/pretrained_models.html#whisper
+// to download more models
+fun getSpokenLanguageIdentificationConfig(type: Int, numThreads: Int=1): SpokenLanguageIdentificationConfig? {
+    when (type) {
+        0 -> {
+            val modelDir = "sherpa-onnx-whisper-tiny"
+            return SpokenLanguageIdentificationConfig(
+                whisper = SpokenLanguageIdentificationWhisperConfig(
+                    encoder = "$modelDir/tiny-encoder.int8.onnx",
+                    decoder = "$modelDir/tiny-decoder.int8.onnx",
+                ),
+                numThreads = numThreads,
+                debug = true,
+            )
+        }
+
+        1 -> {
+            val modelDir = "sherpa-onnx-whisper-base"
+            return SpokenLanguageIdentificationConfig(
+                whisper = SpokenLanguageIdentificationWhisperConfig(
+                    encoder = "$modelDir/tiny-encoder.int8.onnx",
+                    decoder = "$modelDir/tiny-decoder.int8.onnx",
+                ),
+                numThreads = 1,
+                debug = true,
+            )
+        }
+    }
+    return null
+}

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/slid.kt

@@ -0,0 +1,42 @@
+package com.k2fsa.sherpa.onnx.slid
+
+import android.content.res.AssetManager
+import android.util.Log
+import com.k2fsa.sherpa.onnx.SpokenLanguageIdentification
+import com.k2fsa.sherpa.onnx.getSpokenLanguageIdentificationConfig
+import java.util.Locale
+
+
+object Slid {
+    private var _slid: SpokenLanguageIdentification? = null
+
+    private var _localeMap = mutableMapOf<String, String>()
+    val slid: SpokenLanguageIdentification
+        get() {
+            return _slid!!
+        }
+    val localeMap : Map<String, String>
+            get() {
+                return _localeMap
+            }
+
+    fun initSlid(assetManager: AssetManager? = null, numThreads: Int = 1) {
+        synchronized(this) {
+            if (_slid == null) {
+
+                Log.i(TAG, "Initializing slid")
+                val config =
+                    getSpokenLanguageIdentificationConfig(type = 0, numThreads = numThreads)!!
+                _slid = SpokenLanguageIdentification(assetManager, config)
+            }
+
+            if (_localeMap.isEmpty()) {
+                val allLang =  Locale.getISOLanguages();
+                for (lang in allLang) {
+                    val locale = Locale(lang)
+                    _localeMap[lang] = locale.displayName
+                }
+            }
+        }
+    }
+}

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/ui/theme/Color.kt

@@ -0,0 +1,11 @@
+package com.k2fsa.sherpa.onnx.slid.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/ui/theme/Theme.kt

@@ -0,0 +1,70 @@
+package com.k2fsa.sherpa.onnx.slid.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun SherpaOnnxSpokenLanguageIdentificationTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+    val view = LocalView.current
+    if (!view.isInEditMode) {
+        SideEffect {
+            val window = (view.context as Activity).window
+            window.statusBarColor = colorScheme.primary.toArgb()
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+        }
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/java/com/k2fsa/sherpa/onnx/slid/ui/theme/Type.kt

@@ -0,0 +1,34 @@
+package com.k2fsa.sherpa.onnx.slid.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// 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
+    )
+    */
+)

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/res/drawable-v24/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>

android/SherpaOnnxSpokenLanguageIdentification/app/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>

android/SherpaOnnxSpokenLanguageIdentification/app/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>

android/SherpaOnnxSpokenLanguageIdentification/app/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>

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">SherpaOnnxSpokenLanguageIdentification</string>
+</resources>

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/res/values/themes.xml

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

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

android/SherpaOnnxSpokenLanguageIdentification/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>