add java android demo (#1454)

+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

+/build

+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.k2fsa.sherpa.onnx"
+        minSdk 28
+        targetSdk 32
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    sourceSets.main{
+        jniLibs.srcDirs = ['jniLibs']
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'pub.devrel:easypermissions:3.0.0'
+    implementation project(path: ':sherpa')
+
+}

+# 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

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.k2fsa.sherpa.onnx">
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <application
+        android:name=".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.SherpaOnnxJavaDemo"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <service
+            android:name=".service.SpeechSherpaRecognitionService"
+            android:exported="false"/>
+    </application>
+
+</manifest>

+package com.k2fsa.sherpa.onnx;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class AppViewModel extends ViewModel {
+    private final MutableLiveData<String> speechRecognitionResult = new MutableLiveData<>();
+
+    public LiveData<String> getSpeechRecognitionResult() {
+        return speechRecognitionResult;
+    }
+
+    public void setSpeechRecognitionResult(String result) {
+        speechRecognitionResult.postValue(result);
+    }
+
+}

+package com.k2fsa.sherpa.onnx;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.lifecycle.ViewModelStore;
+import androidx.lifecycle.ViewModelStoreOwner;
+
+
+public class Application extends android.app.Application implements ViewModelStoreOwner {
+    public static Application sApplication;
+
+
+    private AppViewModel viewModel;
+    private ViewModelStore viewModelStore;
+
+    public static Application getInstance() {
+        return sApplication;
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        sApplication = this;
+        viewModelStore = new ViewModelStore();
+        viewModel = new ViewModelProvider(this).get(AppViewModel.class);
+    }
+
+    @NonNull
+    @Override
+    public ViewModelStore getViewModelStore() {
+        return viewModelStore;
+    }
+
+    public AppViewModel getViewModel() {
+        return viewModel;
+    }
+
+
+}

+package com.k2fsa.sherpa.onnx;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.Manifest;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.TextView;
+
+import com.k2fsa.sherpa.onnx.service.SpeechSherpaRecognitionService;
+
+import pub.devrel.easypermissions.EasyPermissions;
+
+public class MainActivity extends AppCompatActivity {
+    private AppViewModel appViewModel;
+    private TextView tvText;
+    private static final int RC_AUDIO_PERM = 123;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        tvText = findViewById(R.id.text);
+        requestMicrophonePermission();
+    }
+
+
+    private void startSpeechService() {
+        Intent serviceIntent = new Intent(this, SpeechSherpaRecognitionService.class);
+        ContextCompat.startForegroundService(this, serviceIntent);
+        appViewModel = new ViewModelProvider(Application.getInstance()).get(AppViewModel.class);
+        appViewModel.getSpeechRecognitionResult().observe(this, this::handleSpeechRecognitionResult);
+    }
+
+    private void handleSpeechRecognitionResult(String result) {
+        tvText.setText(result);
+    }
+
+    private void requestMicrophonePermission() {
+        String[] perms = {Manifest.permission.RECORD_AUDIO};
+        if (EasyPermissions.hasPermissions(this, perms)) {
+            startSpeechService();
+        } else {
+            EasyPermissions.requestPermissions(MainActivity.this,
+                    "We need access to your microphone for voice recognition",
+                    RC_AUDIO_PERM, perms);
+        }
+    }
+}

+// Copyright 2022-2023 by zhaoming
+// Copyright 2024 Xiaomi Corporation
+
+package com.k2fsa.sherpa.onnx;
+
+import android.content.res.AssetManager;
+
+public class OnlineRecognizer {
+    static {
+        System.loadLibrary("sherpa-onnx-jni");
+    }
+
+    private long ptr = 0;
+
+    public OnlineRecognizer(OnlineRecognizerConfig config) {
+        ptr = newFromFile(config);
+    }
+
+    public OnlineRecognizer(AssetManager assetManager, OnlineRecognizerConfig config) {
+        ptr = newFromAsset(assetManager, config);
+    }
+
+    public void decode(OnlineStream s) {
+        decode(ptr, s.getPtr());
+    }
+
+    public boolean isReady(OnlineStream s) {
+        return isReady(ptr, s.getPtr());
+    }
+
+    public boolean isEndpoint(OnlineStream s) {
+        return isEndpoint(ptr, s.getPtr());
+    }
+
+    public void reset(OnlineStream s) {
+        reset(ptr, s.getPtr());
+    }
+
+    public OnlineStream createStream() {
+        long p = createStream(ptr, "");
+        return new OnlineStream(p);
+    }
+
+    @Override
+    protected void finalize() throws Throwable {
+        release();
+    }
+
+    // You'd better call it manually if it is not used anymore
+    public void release() {
+        if (this.ptr == 0) {
+            return;
+        }
+        delete(this.ptr);
+        this.ptr = 0;
+    }
+
+    public OnlineRecognizerResult getResult(OnlineStream s) {
+        Object[] arr = getResult(ptr, s.getPtr());
+        String text = (String) arr[0];
+        String[] tokens = (String[]) arr[1];
+        float[] timestamps = (float[]) arr[2];
+        return new OnlineRecognizerResult(text, tokens, timestamps);
+    }
+
+
+    private native void delete(long ptr);
+
+    private native long newFromFile(OnlineRecognizerConfig config);
+
+    private native long newFromAsset(AssetManager assetManager, OnlineRecognizerConfig config);
+
+    private native long createStream(long ptr, String hotwords);
+
+    private native void reset(long ptr, long streamPtr);
+
+    private native void decode(long ptr, long streamPtr);
+
+    private native boolean isEndpoint(long ptr, long streamPtr);
+
+    private native boolean isReady(long ptr, long streamPtr);
+
+    private native Object[] getResult(long ptr, long streamPtr);
+}

+package com.k2fsa.sherpa.onnx.service;
+
+import android.Manifest;
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.Service;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.res.AssetManager;
+import android.media.AudioFormat;
+import android.media.AudioRecord;
+import android.media.MediaRecorder;
+import android.os.Build;
+import android.os.IBinder;
+import android.text.TextUtils;
+import android.util.Log;
+
+import androidx.core.app.ActivityCompat;
+import androidx.core.app.NotificationCompat;
+
+
+import com.k2fsa.sherpa.onnx.AppViewModel;
+import com.k2fsa.sherpa.onnx.Application;
+
+import com.k2fsa.sherpa.onnx.OnlineModelConfig;
+import com.k2fsa.sherpa.onnx.OnlineRecognizer;
+
+import com.k2fsa.sherpa.onnx.OnlineRecognizerConfig;
+import com.k2fsa.sherpa.onnx.OnlineStream;
+import com.k2fsa.sherpa.onnx.OnlineTransducerModelConfig;
+import com.k2fsa.sherpa.onnx.R;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import java.util.Objects;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+
+public class SpeechSherpaRecognitionService extends Service {
+
+    private AppViewModel appViewModel;
+    private OnlineRecognizer recognizer;
+    private final int sampleRateInHz = 16000;
+
+    private Thread recordingThread;
+    private boolean isRecording = false;
+    private int audioSource = MediaRecorder.AudioSource.MIC;
+    private int channelConfig = AudioFormat.CHANNEL_IN_MONO;
+    private int audioFormat = AudioFormat.ENCODING_PCM_16BIT;
+    private AudioRecord audioRecord;
+    private int idx = 0;
+    private String lastText = "";
+    private ExecutorService executor;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        startForegroundService();
+        // 获取 ViewModel
+        appViewModel = Application.getInstance().getViewModel();
+        int numBytes = AudioRecord.getMinBufferSize(sampleRateInHz, channelConfig, audioFormat);
+
+        audioRecord = new AudioRecord(
+                audioSource,
+                sampleRateInHz,
+                channelConfig,
+                audioFormat,
+                numBytes * 2 // a sample has two bytes as we are using 16-bit PCM
+        );
+        executor = Executors.newSingleThreadExecutor();
+        executor.execute(this::initializeSherpa);
+    }
+
+
+    private void initializeSherpa() {
+        Log.d("Current Directory", System.getProperty("user.dir"));
+        String modelDir = "sherpa-onnx-streaming-zipformer-zh-14M-2023-02-23";
+        initializeSherpaDir(modelDir, modelDir);
+        OnlineTransducerModelConfig onlineTransducerModelConfig = OnlineTransducerModelConfig.builder()
+                .setEncoder(modelDir + "/encoder-epoch-99-avg-1.int8.onnx")
+                .setDecoder(modelDir + "/decoder-epoch-99-avg-1.onnx")
+                .setJoiner(modelDir + "/joiner-epoch-99-avg-1.int8.onnx")
+                .build();
+
+        OnlineModelConfig onlineModelConfig = OnlineModelConfig.builder()
+                .setTransducer(onlineTransducerModelConfig)
+                .setTokens(modelDir + "/tokens.txt")
+                .setModelType("zipformer")
+                .build();
+        OnlineRecognizerConfig config = OnlineRecognizerConfig.builder()
+                .setOnlineModelConfig(onlineModelConfig)
+                .build();
+        recognizer = new OnlineRecognizer(getAssets(), config);
+
+        audioRecord.startRecording();
+        startRecognition();
+    }
+
+    private void startRecognition() {
+        isRecording = true;
+        recordingThread = new Thread(this::processSamples);
+        recordingThread.start();
+    }
+
+    private void processSamples() {
+        OnlineStream stream = recognizer.createStream();
+        double interval = 0.1;
+        int bufferSize = (int) (interval * sampleRateInHz);
+        short[] buffer = new short[bufferSize];
+
+        while (isRecording) {
+            int ret = audioRecord != null ? audioRecord.read(buffer, 0, buffer.length) : -1;
+            if (ret > 0) {
+                float[] samples = new float[ret];
+                for (int i = 0; i < ret; i++) {
+                    samples[i] = buffer[i] / 32768.0f;
+                }
+                stream.acceptWaveform(samples, sampleRateInHz);
+                while (recognizer.isReady(stream)) {
+                    recognizer.decode(stream);
+                }
+
+                boolean isEndpoint = recognizer.isEndpoint(stream);
+                String text = recognizer.getResult(stream).getText();
+                if (isEndpoint) {
+                    float[] tailPaddings = new float[(int) (0.8 * sampleRateInHz)];
+                    stream.acceptWaveform(tailPaddings, sampleRateInHz);
+                    while (recognizer.isReady(stream)) {
+                        recognizer.decode(stream);
+                    }
+                    text = recognizer.getResult(stream).getText();
+                }
+
+                String textToDisplay = lastText;
+
+                if (!TextUtils.isEmpty(text)) {
+                    textToDisplay = TextUtils.isEmpty(text) ? idx + ": " + text : lastText + "\n" + idx + ": " + text;
+                }
+
+                if (isEndpoint) {
+                    recognizer.reset(stream);
+                    if (!TextUtils.isEmpty(text)) {
+                        lastText = lastText + "\n" + idx + ": " + text;
+                        textToDisplay = lastText;
+                        idx += 1;
+                    }
+                    appViewModel.setSpeechRecognitionResult(textToDisplay);
+                }
+            }
+
+        }
+        stream.release();
+
+    }
+
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+
+        return START_STICKY;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        audioRecord.stop();
+        audioRecord.release();
+        executor.shutdown();
+        stopForeground(true);
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+
+    private void startForegroundService() {
+        String channelId = createNotificationChannel();
+
+        Notification notification = new NotificationCompat.Builder(this, channelId)
+                .setContentTitle("Foreground Service")
+                .setContentText("Running in the foreground")
+                .setSmallIcon(R.drawable.ic_bg_mic_24)
+                .build();
+
+        startForeground(1, notification);
+    }
+
+    // 创建通知渠道 (针对 Android 8.0 及以上版本)
+    private String createNotificationChannel() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            String channelId = "speech_channel";
+            String channelName = "Speech Channel";
+            NotificationChannel channel = new NotificationChannel(channelId, channelName, NotificationManager.IMPORTANCE_LOW);
+            NotificationManager manager = getSystemService(NotificationManager.class);
+            if (manager != null) {
+                manager.createNotificationChannel(channel);
+            }
+            return channelId;
+        } else {
+            return "";
+        }
+    }
+
+    private void initializeSherpaDir(String assetDir, String internalDir) {
+        AssetManager assetManager = getAssets();
+        File outDir = new File(getFilesDir(), internalDir);
+
+        if (!outDir.exists()) {
+            outDir.mkdirs();
+        }
+
+        try {
+            String[] assets = assetManager.list(assetDir);
+            if (assets != null) {
+                for (String asset : assets) {
+                    String assetPath = assetDir.isEmpty() ? asset : assetDir + "/" + asset;
+                    File outFile = new File(outDir, asset);
+                    if (Objects.requireNonNull(assetManager.list(assetPath)).length > 0) {
+                        outFile.mkdirs();
+                        initializeSherpaDir(assetPath, internalDir + "/" + asset); // 递归复制子目录
+                    } else {
+                        InputStream in = assetManager.open(assetPath);
+                        OutputStream out = new FileOutputStream(outFile);
+
+                        byte[] buffer = new byte[1024];
+                        int read;
+                        while ((read = in.read(buffer)) != -1) {
+                            out.write(buffer, 0, read);
+                        }
+
+                        in.close();
+                        out.flush();
+                        out.close();
+                    }
+                }
+            }
+        } catch (IOException e) {
+            Log.e("ModelCopy", "Failed to copy assets", e);
+        }
+    }
+}

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+    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
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+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
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+</vector>

+<?xml version="1.0" encoding="utf-8"?>
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+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
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+    <path
+        android:fillColor="#00000000"
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+    <path
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+    <path
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+        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>

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

+<?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" />
+</adaptive-icon>

+<?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" />
+</adaptive-icon>

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.SherpaOnnxJavaDemo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

+<?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>

+<resources>
+    <string name="app_name">SherpaOnnxJavaDemo</string>
+</resources>

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.SherpaOnnxJavaDemo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

+<?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>

+<?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>

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '7.2.2' apply false
+    id 'com.android.library' version '7.2.2' apply false
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

+# 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. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec: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
+# 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

+#Tue Oct 22 10:59:18 CST 2024
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

+#!/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 "$JAVACMD" "$@"

+@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

+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+rootProject.name = "SherpaOnnxJavaDemo"
+include ':app'
+include ':sherpa'

+/build

+plugins {
+    id 'com.android.library'
+}
+
+android {
+    namespace 'com.k2fsa.sherpa'
+    compileSdk 34
+
+    defaultConfig {
+        minSdk 26
+        targetSdk 27
+        versionCode 1
+        versionName "1.0"
+        missingDimensionStrategy 'base', 'feature1'
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+//    implementation "androidx.appcompat"
+//    implementation libs.material
+//    testImplementation libs.junit
+//    androidTestImplementation libs.androidx.test.ext.junit
+//    androidTestImplementation libs.espresso.core
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.9.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
+}

+# 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

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:label="@string/app_name"
+        android:supportsRtl="true" />
+
+</manifest>

+../../../../../../../sherpa-onnx/sherpa-onnx/java-api/src/com

+<resources>
+    <string name="app_name">sherpa</string>
+</resources>