Support Android (#59)

@@ -3,43 +3,43 @@ package com.k2fsa.sherpa.onnx
 import android.content.res.AssetManager
 import android.content.res.AssetManager
 
 
 fun main() {
 fun main() {
-  var featConfig = FeatureConfig(
-	  sampleRate=16000.0f,
-		featureDim=80,
-	)
-
-  var modelConfig = OnlineTransducerModelConfig(
-		encoder="./sherpa-onnx-streaming-zipformer-en-2023-02-21/encoder-epoch-99-avg-1.onnx",
-		decoder="./sherpa-onnx-streaming-zipformer-en-2023-02-21/decoder-epoch-99-avg-1.onnx",
-		joiner="./sherpa-onnx-streaming-zipformer-en-2023-02-21/joiner-epoch-99-avg-1.onnx",
-		numThreads=4,
-		debug=false,
-	)
-
-	var endpointConfig = EndpointConfig()
-
-	var config = OnlineRecognizerConfig(
-			modelConfig=modelConfig,
-			featConfig=featConfig,
-			endpointConfig=endpointConfig,
-			tokens="./sherpa-onnx-streaming-zipformer-en-2023-02-21/tokens.txt",
-			enableEndpoint=true,
-	)
-
-  var model = SherpaOnnx(
-      assetManager = AssetManager(),
-			config = config,
-  )
-  var samples = WaveReader.readWave(
-      assetManager = AssetManager(),
-      filename = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/test_wavs/1089-134686-0001.wav",
-  )
-
-  model.decodeSamples(samples!!)
-
-  var tail_paddings = FloatArray(8000) // 0.5 seconds
-  model.decodeSamples(tail_paddings)
-
-  model.inputFinished()
-  println(model.text)
+    var featConfig = FeatureConfig(
+        sampleRate = 16000.0f,
+        featureDim = 80,
+    )
+
+    var modelConfig = OnlineTransducerModelConfig(
+        encoder = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/encoder-epoch-99-avg-1.onnx",
+        decoder = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/decoder-epoch-99-avg-1.onnx",
+        joiner = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/joiner-epoch-99-avg-1.onnx",
+        tokens = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/tokens.txt",
+        numThreads = 4,
+        debug = false,
+    )
+
+    var endpointConfig = EndpointConfig()
+
+    var config = OnlineRecognizerConfig(
+        modelConfig = modelConfig,
+        featConfig = featConfig,
+        endpointConfig = endpointConfig,
+        enableEndpoint = true,
+    )
+
+    var model = SherpaOnnx(
+        assetManager = AssetManager(),
+        config = config,
+    )
+    var samples = WaveReader.readWave(
+        assetManager = AssetManager(),
+        filename = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/test_wavs/1089-134686-0001.wav",
+    )
+
+    model.decodeSamples(samples!!)
+
+    var tail_paddings = FloatArray(8000) // 0.5 seconds
+    model.decodeSamples(tail_paddings)
+
+    model.inputFinished()
+    println("results: ${model.text}")
 }
 }

+../../android/SherpaOnnx/app/src/main/java/com/k2fsa/sherpa/onnx/SherpaOnnx.kt

+../../android/SherpaOnnx/app/src/main/java/com/k2fsa/sherpa/onnx/WaveReader.kt

@@ -12,3 +12,9 @@ build-aarch64-linux-gnu
 sherpa-onnx-streaming-zipformer-*
 sherpa-onnx-streaming-zipformer-*
 sherpa-onnx-lstm-en-*
 sherpa-onnx-lstm-en-*
 sherpa-onnx-lstm-zh-*
 sherpa-onnx-lstm-zh-*
+build-android-arm64-v8a/
+build-android-x86-64/
+a.txt
+run-bilingual*.sh
+run-*-zipformer.sh
+run-zh.sh

+*.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

+# Default ignored files
+/shelf/
+/workspace.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="11" />
+  </component>
+</project>

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <runningDeviceTargetSelectedWithDropDown>
+      <Target>
+        <type value="RUNNING_DEVICE_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="SERIAL_NUMBER" />
+            <value value="50e6c115" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </runningDeviceTargetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2023-02-23T09:59:16.822185Z" />
+  </component>
+</project>

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
+  </component>
+</project>

+/build

+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'com.k2fsa.sherpa.onnx'
+    compileSdk 32
+
+    defaultConfig {
+        applicationId "com.k2fsa.sherpa.onnx"
+        minSdk 21
+        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
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.7.0'
+    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'com.google.android.material:material:1.7.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.4'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
+}

+# 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

+package com.k2fsa.sherpa.onnx
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.k2fsa.sherpa.onnx", appContext.packageName)
+    }
+}

+<?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.SherpaOnnx"
+        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>
+
+            <meta-data
+                android:name="android.app.lib_name"
+                android:value="" />
+        </activity>
+    </application>
+
+</manifest>

+package com.k2fsa.sherpa.onnx
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.media.AudioFormat
+import android.media.AudioRecord
+import android.media.MediaRecorder
+import android.os.Bundle
+import android.text.method.ScrollingMovementMethod
+import android.util.Log
+import android.widget.Button
+import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
+import com.k2fsa.sherpa.onnx.*
+import kotlin.concurrent.thread
+
+private const val TAG = "sherpa-onnx"
+private const val REQUEST_RECORD_AUDIO_PERMISSION = 200
+
+class MainActivity : AppCompatActivity() {
+    private val permissions: Array<String> = arrayOf(Manifest.permission.RECORD_AUDIO)
+
+    // If there is a GPU and useGPU is true, we will use GPU
+    // If there is no GPU and useGPU is true, we won't use GPU
+    private val useGPU: Boolean = true
+
+    private lateinit var model: SherpaOnnx
+    private var audioRecord: AudioRecord? = null
+    private lateinit var recordButton: Button
+    private lateinit var textView: TextView
+    private var recordingThread: Thread? = null
+
+    private val audioSource = MediaRecorder.AudioSource.MIC
+    private val sampleRateInHz = 16000
+    private val channelConfig = AudioFormat.CHANNEL_IN_MONO
+
+    // Note: We don't use AudioFormat.ENCODING_PCM_FLOAT
+    // since the AudioRecord.read(float[]) needs API level >= 23
+    // but we are targeting API level >= 21
+    private val audioFormat = AudioFormat.ENCODING_PCM_16BIT
+    private var idx: Int = 0
+    private var lastText: String = ""
+
+    @Volatile
+    private var isRecording: Boolean = false
+
+    override fun onRequestPermissionsResult(
+        requestCode: Int, permissions: Array<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")
+            finish()
+        }
+
+        Log.i(TAG, "Audio record is permitted")
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        ActivityCompat.requestPermissions(this, permissions, REQUEST_RECORD_AUDIO_PERMISSION)
+
+        Log.i(TAG, "Start to initialize model")
+        initModel()
+        Log.i(TAG, "Finished initializing model")
+
+        recordButton = findViewById(R.id.record_button)
+        recordButton.setOnClickListener { onclick() }
+
+        textView = findViewById(R.id.my_text)
+        textView.movementMethod = ScrollingMovementMethod()
+    }
+
+    private fun onclick() {
+        if (!isRecording) {
+            val ret = initMicrophone()
+            if (!ret) {
+                Log.e(TAG, "Failed to initialize microphone")
+                return
+            }
+            Log.i(TAG, "state: ${audioRecord?.state}")
+            audioRecord!!.startRecording()
+            recordButton.setText(R.string.stop)
+            isRecording = true
+            model.reset()
+            textView.text = ""
+            lastText = ""
+            idx = 0
+
+            recordingThread = thread(true) {
+                processSamples()
+            }
+            Log.i(TAG, "Started recording")
+        } else {
+            isRecording = false
+            audioRecord!!.stop()
+            audioRecord!!.release()
+            audioRecord = null
+            recordButton.setText(R.string.start)
+            Log.i(TAG, "Stopped recording")
+        }
+    }
+
+    private fun processSamples() {
+        Log.i(TAG, "processing samples")
+
+        val interval = 0.1 // i.e., 100 ms
+        val bufferSize = (interval * sampleRateInHz).toInt() // in samples
+        val buffer = ShortArray(bufferSize)
+
+        while (isRecording) {
+            val ret = audioRecord?.read(buffer, 0, buffer.size)
+            if (ret != null && ret > 0) {
+                val samples = FloatArray(ret) { buffer[it] / 32768.0f }
+                model.decodeSamples(samples)
+                runOnUiThread {
+                    val isEndpoint = model.isEndpoint()
+                    val text = model.text
+
+                    if(text.isNotBlank()) {
+                        if (lastText.isBlank()) {
+                            textView.text = "${idx}: ${text}"
+                        } else {
+                            textView.text = "${lastText}\n${idx}: ${text}"
+                        }
+                    }
+
+                    if (isEndpoint) {
+                        model.reset()
+                        if (text.isNotBlank()) {
+                            lastText = "${lastText}\n${idx}: ${text}"
+                            idx += 1
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private fun initMicrophone(): Boolean {
+        if (ActivityCompat.checkSelfPermission(
+                this, Manifest.permission.RECORD_AUDIO
+            ) != PackageManager.PERMISSION_GRANTED
+        ) {
+            ActivityCompat.requestPermissions(this, permissions, REQUEST_RECORD_AUDIO_PERMISSION)
+            return false
+        }
+
+        val numBytes = AudioRecord.getMinBufferSize(sampleRateInHz, channelConfig, audioFormat)
+        Log.i(
+            TAG, "buffer size in milliseconds: ${numBytes * 1000.0f / sampleRateInHz}"
+        )
+
+        audioRecord = AudioRecord(
+            audioSource,
+            sampleRateInHz,
+            channelConfig,
+            audioFormat,
+            numBytes * 2 // a sample has two bytes as we are using 16-bit PCM
+        )
+        return true
+    }
+
+    private fun initModel() {
+        val config = OnlineRecognizerConfig(
+            featConfig = getFeatureConfig(sampleRate = 16000.0f, featureDim = 80),
+            modelConfig = getModelConfig(type = 1)!!,
+            endpointConfig = getEndpointConfig(),
+            enableEndpoint = true
+        )
+
+        model = SherpaOnnx(
+            assetManager = application.assets,
+            config = config,
+        )
+       /*
+        println("reading samples")
+        val samples = WaveReader.readWave(
+            assetManager = application.assets,
+            // filename = "sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20/test_wavs/0.wav",
+            filename = "sherpa-onnx-lstm-zh-2023-02-20/test_wavs/0.wav",
+            // filename="sherpa-onnx-lstm-en-2023-02-17/test_wavs/1089-134686-0001.wav"
+        )
+        println("samples read done!")
+
+        model.decodeSamples(samples!!)
+
+        val tailPaddings = FloatArray(8000) // 0.5 seconds
+        model.decodeSamples(tailPaddings)
+
+        println("result is: ${model.text}")
+        model.reset()
+        */
+    }
+}

@@ -18,8 +18,9 @@ data class OnlineTransducerModelConfig(
     var encoder: String,
     var encoder: String,
     var decoder: String,
     var decoder: String,
     var joiner: String,
     var joiner: String,
-    var numThreads: Int = 4,
-		var debug: Boolean = false,
+    var tokens: String,
+    var numThreads: Int = 2,
+    var debug: Boolean = false,
 )
 )
 
 
 data class FeatureConfig(
 data class FeatureConfig(
@@ -30,14 +31,12 @@ data class FeatureConfig(
 data class OnlineRecognizerConfig(
 data class OnlineRecognizerConfig(
     var featConfig: FeatureConfig = FeatureConfig(),
     var featConfig: FeatureConfig = FeatureConfig(),
     var modelConfig: OnlineTransducerModelConfig,
     var modelConfig: OnlineTransducerModelConfig,
-    var tokens: String,
     var endpointConfig: EndpointConfig = EndpointConfig(),
     var endpointConfig: EndpointConfig = EndpointConfig(),
     var enableEndpoint: Boolean,
     var enableEndpoint: Boolean,
 )
 )
 
 
 class SherpaOnnx(
 class SherpaOnnx(
-    assetManager: AssetManager,
-    var config: OnlineRecognizerConfig
+    assetManager: AssetManager, var config: OnlineRecognizerConfig
 ) {
 ) {
     private val ptr: Long
     private val ptr: Long
 
 
@@ -80,10 +79,68 @@ class SherpaOnnx(
     }
     }
 }
 }
 
 
-fun getFeatureConfig(): FeatureConfig {
-    val featConfig = FeatureConfig()
-    featConfig.sampleRate = 16000.0f
-    featConfig.featureDim = 80
+fun getFeatureConfig(sampleRate: Float, featureDim: Int): FeatureConfig {
+    return FeatureConfig(sampleRate=sampleRate, featureDim=featureDim)
+}
+
+/*
+Please see
+https://k2-fsa.github.io/sherpa/onnx/pretrained_models/index.html
+for a list of pre-trained models.
+
+We only add a few here. Please change the following code
+to add your own. (It should be straightforward to add a new model
+by following the code)
+
+@param type
+0 - sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20 (Bilingual, Chinese + English)
+    https://k2-fsa.github.io/sherpa/onnx/pretrained_models/zipformer-transducer-models.html#sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20-bilingual-chinese-english
+
+1 - csukuangfj/sherpa-onnx-lstm-zh-2023-02-20 (Chinese)
+
+    https://k2-fsa.github.io/sherpa/onnx/pretrained_models/lstm-transducer-models.html#csukuangfj-sherpa-onnx-lstm-zh-2023-02-20-chinese
+
+2 - csukuangfj/sherpa-onnx-lstm-en-2023-02-17 (English)
+    https://k2-fsa.github.io/sherpa/onnx/pretrained_models/lstm-transducer-models.html#csukuangfj-sherpa-onnx-lstm-en-2023-02-17-english
+ */
+fun getModelConfig(type: Int): OnlineTransducerModelConfig? {
+    when (type) {
+        0 -> {
+            val modelDir = "sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20"
+            return OnlineTransducerModelConfig(
+                encoder = "$modelDir/encoder-epoch-99-avg-1.onnx",
+                decoder = "$modelDir/decoder-epoch-99-avg-1.onnx",
+                joiner = "$modelDir/joiner-epoch-99-avg-1.onnx",
+                tokens = "$modelDir/tokens.txt",
+            )
+        }
+        1 -> {
+            val modelDir = "sherpa-onnx-lstm-zh-2023-02-20"
+            return OnlineTransducerModelConfig(
+                encoder = "$modelDir/encoder-epoch-11-avg-1.onnx",
+                decoder = "$modelDir/decoder-epoch-11-avg-1.onnx",
+                joiner = "$modelDir/joiner-epoch-11-avg-1.onnx",
+                tokens = "$modelDir/tokens.txt",
+            )
+        }
+
+        2 -> {
+            val modelDir = "sherpa-onnx-lstm-en-2023-02-17"
+            return OnlineTransducerModelConfig(
+                encoder = "$modelDir/encoder-epoch-99-avg-1.onnx",
+                decoder = "$modelDir/decoder-epoch-99-avg-1.onnx",
+                joiner = "$modelDir/joiner-epoch-99-avg-1.onnx",
+                tokens = "$modelDir/tokens.txt",
+            )
+        }
+    }
+    return null;
+}
 
 
-    return featConfig
+fun getEndpointConfig(): EndpointConfig {
+    return EndpointConfig(
+        rule1 = EndpointRule(false, 2.4f, 0.0f),
+        rule2 = EndpointRule(true, 1.4f, 0.0f),
+        rule3 = EndpointRule(false, 0.0f, 20.0f)
+    )
 }
 }

+*.so
+*.txt
+*.onnx
+*.wav

+<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>

+<?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>

+<?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">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/my_text"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_weight="2.5"
+            android:padding="24dp"
+            android:scrollbars="vertical"
+            android:singleLine="false"
+            android:text="@string/hint"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <Button
+            android:id="@+id/record_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="0.5"
+            android:text="@string/start" />
+    </LinearLayout>
+
+
+</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.SherpaOnnx" 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">?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">ASR with Next-gen Kaldi</string>
+    <string name="hint">Click the Start button to play speech-to-text with Next-gen Kaldi.
+        \n
+        \n\n\n
+        The source code and pre-trained models are publicly available.
+        Please see https://github.com/k2-fsa/sherpa-onnx for details.
+    </string>
+    <string name="start">Start</string>
+    <string name="stop">Stop</string>
+</resources>

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.SherpaOnnx" 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">?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>

+package com.k2fsa.sherpa.onnx
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '7.3.1' apply false
+    id 'com.android.library' version '7.3.1' apply false
+    id 'org.jetbrains.kotlin.android' version '1.7.20' apply false
+}

+# 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
+# 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

+#Thu Feb 23 11:09:06 CST 2023
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-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 = "SherpaOnnx"
+include ':app'

@@ -19,7 +19,6 @@ cd $dir
 #   -g
 #   -g
 #   -DANDROID
 #   -DANDROID
 
 
-
 if [ -z $ANDROID_NDK ]; then
 if [ -z $ANDROID_NDK ]; then
   ANDROID_NDK=/ceph-fj/fangjun/software/android-sdk/ndk/21.0.6113669
   ANDROID_NDK=/ceph-fj/fangjun/software/android-sdk/ndk/21.0.6113669
   # or use
   # or use
@@ -44,6 +43,29 @@ fi
 echo "ANDROID_NDK: $ANDROID_NDK"
 echo "ANDROID_NDK: $ANDROID_NDK"
 sleep 1
 sleep 1
 
 
+if [ ! -f android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so ]; then
+  GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/csukuangfj/android-onnxruntime-libs
+  pushd android-onnxruntime-libs
+  git lfs pull --include "jni/arm64-v8a/libonnxruntime.so"
+  popd
+fi
+
+ls -l ./android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so
+
+# check filesize
+filesize=$(ls -l ./android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so  | tr -s " " " " | cut -d " " -f 5)
+if (( $filesize < 1000 )); then
+  ls -lh ./android-onnxruntime-libs/arm64-v8a/jni/libonnxruntime.so
+  echo "Please use: git lfs pull to download libonnxruntime.so"
+  exit 1
+fi
+
+export SHERPA_ONNXRUNTIME_LIB_DIR=$PWD/android-onnxruntime-libs/jni/arm64-v8a/
+export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$PWD/android-onnxruntime-libs/headers/
+
+echo "SHERPA_ONNXRUNTIME_LIB_DIR: $SHERPA_ONNXRUNTIME_LIB_DIR"
+echo "SHERPA_ONNXRUNTIME_INCLUDE_DIR $SHERPA_ONNXRUNTIME_INCLUDE_DIR"
+
 cmake -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK/build/cmake/android.toolchain.cmake" \
 cmake -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK/build/cmake/android.toolchain.cmake" \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_BUILD_TYPE=Release \
     -DBUILD_SHARED_LIBS=ON \
     -DBUILD_SHARED_LIBS=ON \
@@ -55,7 +77,8 @@ cmake -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK/build/cmake/android.toolchain.cmake"
     -DCMAKE_INSTALL_PREFIX=./install \
     -DCMAKE_INSTALL_PREFIX=./install \
     -DANDROID_ABI="arm64-v8a" \
     -DANDROID_ABI="arm64-v8a" \
     -DANDROID_PLATFORM=android-21 ..
     -DANDROID_PLATFORM=android-21 ..
+
 # make VERBOSE=1 -j4
 # make VERBOSE=1 -j4
 make -j4
 make -j4
 make install/strip
 make install/strip
-
+cp -fv android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so install/lib

+#!/usr/bin/env bash
+set -ex
+
+dir=build-android-x86-64
+
+mkdir -p $dir
+cd $dir
+
+# Note from https://github.com/Tencent/ncnn/wiki/how-to-build#build-for-android
+# (optional) remove the hardcoded debug flag in Android NDK android-ndk
+# issue: https://github.com/android/ndk/issues/243
+#
+# open $ANDROID_NDK/build/cmake/android.toolchain.cmake for ndk < r23
+# or $ANDROID_NDK/build/cmake/android-legacy.toolchain.cmake for ndk >= r23
+#
+# delete "-g" line
+#
+# list(APPEND ANDROID_COMPILER_FLAGS
+#   -g
+#   -DANDROID
+
+if [ -z $ANDROID_NDK ]; then
+  ANDROID_NDK=/ceph-fj/fangjun/software/android-sdk/ndk/21.0.6113669
+  # or use
+  # ANDROID_NDK=/ceph-fj/fangjun/software/android-ndk
+  #
+  # Inside the $ANDROID_NDK directory, you can find a binary ndk-build
+  # and some other files like the file "build/cmake/android.toolchain.cmake"
+
+  if [ ! -d $ANDROID_NDK ]; then
+    # For macOS, I have installed Android Studio, select the menu
+    # Tools -> SDK manager -> Android SDK
+    # and set "Android SDK location" to /Users/fangjun/software/my-android
+    ANDROID_NDK=/Users/fangjun/software/my-android/ndk/22.1.7171670
+  fi
+fi
+
+if [ ! -d $ANDROID_NDK ]; then
+  echo Please set the environment variable ANDROID_NDK before you run this script
+  exit 1
+fi
+
+echo "ANDROID_NDK: $ANDROID_NDK"
+sleep 1
+
+if [ ! -f android-onnxruntime-libs/jni/x86_64/libonnxruntime.so ]; then
+  GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/csukuangfj/android-onnxruntime-libs
+  pushd android-onnxruntime-libs
+  git lfs pull --include "jni/x86_64/libonnxruntime.so"
+  popd
+fi
+
+ls -l ./android-onnxruntime-libs/jni/x86_64/libonnxruntime.so
+
+# check filesize
+filesize=$(ls -l ./android-onnxruntime-libs/jni/x86_64/libonnxruntime.so  | tr -s " " " " | cut -d " " -f 5)
+if (( $filesize < 1000 )); then
+  ls -lh ./android-onnxruntime-libs/jni/x86_64/libonnxruntime.so
+  echo "Please use: git lfs pull to download libonnxruntime.so"
+  exit 1
+fi
+
+export SHERPA_ONNXRUNTIME_LIB_DIR=$PWD/android-onnxruntime-libs/jni/x86_64/
+export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$PWD/android-onnxruntime-libs/headers/
+
+echo "SHERPA_ONNXRUNTIME_LIB_DIR: $SHERPA_ONNXRUNTIME_LIB_DIR"
+echo "SHERPA_ONNXRUNTIME_INCLUDE_DIR $SHERPA_ONNXRUNTIME_INCLUDE_DIR"
+
+cmake -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK/build/cmake/android.toolchain.cmake" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DBUILD_SHARED_LIBS=ON \
+    -DSHERPA_ONNX_ENABLE_PYTHON=OFF \
+    -DSHERPA_ONNX_ENABLE_TESTS=OFF \
+    -DSHERPA_ONNX_ENABLE_CHECK=OFF \
+    -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \
+    -DSHERPA_ONNX_ENABLE_JNI=ON \
+    -DCMAKE_INSTALL_PREFIX=./install \
+    -DANDROID_ABI="x86_64" \
+    -DANDROID_PLATFORM=android-21 ..
+
+# make VERBOSE=1 -j4
+make -j4
+make install/strip
+cp -fv android-onnxruntime-libs/jni/x86_64/libonnxruntime.so install/lib

 function(download_onnxruntime)
 function(download_onnxruntime)
   include(FetchContent)
   include(FetchContent)
 
 
-  message(STATUS "CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}")
-  message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
-
   if(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
   if(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
     # For embedded systems
     # For embedded systems
     set(possible_file_locations
     set(possible_file_locations
@@ -93,15 +90,11 @@ function(download_onnxruntime)
   endif()
   endif()
   message(STATUS "onnxruntime is downloaded to ${onnxruntime_SOURCE_DIR}")
   message(STATUS "onnxruntime is downloaded to ${onnxruntime_SOURCE_DIR}")
 
 
-  if(ANDROID)
-    set(location_onnxruntime ${onnxruntime_SOURCE_DIR}/lib/libonnxruntime.so)
-  else()
-    find_library(location_onnxruntime onnxruntime
-      PATHS
-      "${onnxruntime_SOURCE_DIR}/lib"
-      NO_CMAKE_SYSTEM_PATH
-    )
-  endif()
+  find_library(location_onnxruntime onnxruntime
+    PATHS
+    "${onnxruntime_SOURCE_DIR}/lib"
+    NO_CMAKE_SYSTEM_PATH
+  )
 
 
   message(STATUS "location_onnxruntime: ${location_onnxruntime}")
   message(STATUS "location_onnxruntime: ${location_onnxruntime}")
 
 
@@ -123,7 +116,6 @@ function(download_onnxruntime)
     )
     )
   endif()
   endif()
 
 
-
   if(UNIX AND NOT APPLE)
   if(UNIX AND NOT APPLE)
     file(GLOB onnxruntime_lib_files "${onnxruntime_SOURCE_DIR}/lib/lib*")
     file(GLOB onnxruntime_lib_files "${onnxruntime_SOURCE_DIR}/lib/lib*")
   elseif(APPLE)
   elseif(APPLE)
@@ -139,19 +131,32 @@ endfunction()
 # First, we try to locate the header and the lib if the use has already
 # First, we try to locate the header and the lib if the use has already
 # installed onnxruntime. Otherwise, we will download the pre-compiled lib
 # installed onnxruntime. Otherwise, we will download the pre-compiled lib
 
 
-find_path(location_onnxruntime_header_dir onnxruntime_cxx_api.h
-  PATHS
-    /usr/include
-    /usr/local/include
-)
+message(STATUS "CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}")
+message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
+
+if(ANDROID)
+  set(location_onnxruntime_header_dir $ENV{SHERPA_ONNXRUNTIME_INCLUDE_DIR})
+else()
+  find_path(location_onnxruntime_header_dir onnxruntime_cxx_api.h
+    PATHS
+      /usr/include
+      /usr/local/include
+  )
+endif()
+
 message(STATUS "location_onnxruntime_header_dir: ${location_onnxruntime_header_dir}")
 message(STATUS "location_onnxruntime_header_dir: ${location_onnxruntime_header_dir}")
 
 
-find_library(location_onnxruntime_lib onnxruntime
-  PATHS
-    /lib
-    /usr/lib
-    /usr/local/lib
-)
+if(ANDROID)
+  set(location_onnxruntime_lib $ENV{SHERPA_ONNXRUNTIME_LIB_DIR}/libonnxruntime.so)
+else()
+  find_library(location_onnxruntime_lib onnxruntime
+    PATHS
+      /lib
+      /usr/lib
+      /usr/local/lib
+  )
+endif()
+
 message(STATUS "location_onnxruntime_lib: ${location_onnxruntime_lib}")
 message(STATUS "location_onnxruntime_lib: ${location_onnxruntime_lib}")
 
 
 if(location_onnxruntime_header_dir AND location_onnxruntime_lib)
 if(location_onnxruntime_header_dir AND location_onnxruntime_lib)
@@ -164,4 +169,3 @@ else()
   message(STATUS "Could not find a pre-installed onnxruntime. Downloading pre-compiled onnxruntime")
   message(STATUS "Could not find a pre-installed onnxruntime. Downloading pre-compiled onnxruntime")
   download_onnxruntime()
   download_onnxruntime()
 endif()
 endif()
-

@@ -5,6 +5,23 @@
 
 
 #ifndef SHERPA_ONNX_CSRC_MACROS_H_
 #ifndef SHERPA_ONNX_CSRC_MACROS_H_
 #define SHERPA_ONNX_CSRC_MACROS_H_
 #define SHERPA_ONNX_CSRC_MACROS_H_
+#include <stdio.h>
+
+#if __ANDROID_API__ >= 8
+#include "android/log.h"
+#define SHERPA_ONNX_LOGE(...)                                            \
+  do {                                                                   \
+    fprintf(stderr, ##__VA_ARGS__);                                      \
+    fprintf(stderr, "\n");                                               \
+    __android_log_print(ANDROID_LOG_WARN, "sherpa-onnx", ##__VA_ARGS__); \
+  } while (0)
+#else
+#define SHERPA_ONNX_LOGE(...)       \
+  do {                              \
+    fprintf(stderr, ##__VA_ARGS__); \
+    fprintf(stderr, "\n");          \
+  } while (0)
+#endif
 
 
 #define SHERPA_ONNX_READ_META_DATA(dst, src_key)                        \
 #define SHERPA_ONNX_READ_META_DATA(dst, src_key)                        \
   do {                                                                  \
   do {                                                                  \

@@ -37,7 +37,6 @@ std::string OnlineRecognizerConfig::ToString() const {
   os << "OnlineRecognizerConfig(";
   os << "OnlineRecognizerConfig(";
   os << "feat_config=" << feat_config.ToString() << ", ";
   os << "feat_config=" << feat_config.ToString() << ", ";
   os << "model_config=" << model_config.ToString() << ", ";
   os << "model_config=" << model_config.ToString() << ", ";
-  os << "tokens=\"" << tokens << "\", ";
   os << "endpoint_config=" << endpoint_config.ToString() << ", ";
   os << "endpoint_config=" << endpoint_config.ToString() << ", ";
   os << "enable_endpoint=" << (enable_endpoint ? "True" : "False") << ")";
   os << "enable_endpoint=" << (enable_endpoint ? "True" : "False") << ")";
 
 
@@ -49,7 +48,7 @@ class OnlineRecognizer::Impl {
   explicit Impl(const OnlineRecognizerConfig &config)
   explicit Impl(const OnlineRecognizerConfig &config)
       : config_(config),
       : config_(config),
         model_(OnlineTransducerModel::Create(config.model_config)),
         model_(OnlineTransducerModel::Create(config.model_config)),
-        sym_(config.tokens),
+        sym_(config.model_config.tokens),
         endpoint_(config_.endpoint_config) {
         endpoint_(config_.endpoint_config) {
     decoder_ =
     decoder_ =
         std::make_unique<OnlineTransducerGreedySearchDecoder>(model_.get());
         std::make_unique<OnlineTransducerGreedySearchDecoder>(model_.get());
@@ -59,7 +58,7 @@ class OnlineRecognizer::Impl {
   explicit Impl(AAssetManager *mgr, const OnlineRecognizerConfig &config)
   explicit Impl(AAssetManager *mgr, const OnlineRecognizerConfig &config)
       : config_(config),
       : config_(config),
         model_(OnlineTransducerModel::Create(mgr, config.model_config)),
         model_(OnlineTransducerModel::Create(mgr, config.model_config)),
-        sym_(mgr, config.tokens),
+        sym_(mgr, config.model_config.tokens),
         endpoint_(config_.endpoint_config) {
         endpoint_(config_.endpoint_config) {
     decoder_ =
     decoder_ =
         std::make_unique<OnlineTransducerGreedySearchDecoder>(model_.get());
         std::make_unique<OnlineTransducerGreedySearchDecoder>(model_.get());

@@ -27,7 +27,6 @@ struct OnlineRecognizerResult {
 struct OnlineRecognizerConfig {
 struct OnlineRecognizerConfig {
   FeatureExtractorConfig feat_config;
   FeatureExtractorConfig feat_config;
   OnlineTransducerModelConfig model_config;
   OnlineTransducerModelConfig model_config;
-  std::string tokens;
   EndpointConfig endpoint_config;
   EndpointConfig endpoint_config;
   bool enable_endpoint;
   bool enable_endpoint;
 
 
@@ -35,12 +34,10 @@ struct OnlineRecognizerConfig {
 
 
   OnlineRecognizerConfig(const FeatureExtractorConfig &feat_config,
   OnlineRecognizerConfig(const FeatureExtractorConfig &feat_config,
                          const OnlineTransducerModelConfig &model_config,
                          const OnlineTransducerModelConfig &model_config,
-                         const std::string &tokens,
                          const EndpointConfig &endpoint_config,
                          const EndpointConfig &endpoint_config,
                          bool enable_endpoint)
                          bool enable_endpoint)
       : feat_config(feat_config),
       : feat_config(feat_config),
         model_config(model_config),
         model_config(model_config),
-        tokens(tokens),
         endpoint_config(endpoint_config),
         endpoint_config(endpoint_config),
         enable_endpoint(enable_endpoint) {}
         enable_endpoint(enable_endpoint) {}
 
 

@@ -14,6 +14,7 @@ std::string OnlineTransducerModelConfig::ToString() const {
   os << "encoder_filename=\"" << encoder_filename << "\", ";
   os << "encoder_filename=\"" << encoder_filename << "\", ";
   os << "decoder_filename=\"" << decoder_filename << "\", ";
   os << "decoder_filename=\"" << decoder_filename << "\", ";
   os << "joiner_filename=\"" << joiner_filename << "\", ";
   os << "joiner_filename=\"" << joiner_filename << "\", ";
+  os << "tokens=\"" << tokens << "\", ";
   os << "num_threads=" << num_threads << ", ";
   os << "num_threads=" << num_threads << ", ";
   os << "debug=" << (debug ? "True" : "False") << ")";
   os << "debug=" << (debug ? "True" : "False") << ")";
 
 

@@ -12,6 +12,7 @@ struct OnlineTransducerModelConfig {
   std::string encoder_filename;
   std::string encoder_filename;
   std::string decoder_filename;
   std::string decoder_filename;
   std::string joiner_filename;
   std::string joiner_filename;
+  std::string tokens;
   int32_t num_threads;
   int32_t num_threads;
   bool debug = false;
   bool debug = false;
 
 
@@ -19,10 +20,12 @@ struct OnlineTransducerModelConfig {
   OnlineTransducerModelConfig(const std::string &encoder_filename,
   OnlineTransducerModelConfig(const std::string &encoder_filename,
                               const std::string &decoder_filename,
                               const std::string &decoder_filename,
                               const std::string &joiner_filename,
                               const std::string &joiner_filename,
-                              int32_t num_threads, bool debug)
+                              const std::string &tokens, int32_t num_threads,
+                              bool debug)
       : encoder_filename(encoder_filename),
       : encoder_filename(encoder_filename),
         decoder_filename(decoder_filename),
         decoder_filename(decoder_filename),
         joiner_filename(joiner_filename),
         joiner_filename(joiner_filename),
+        tokens(tokens),
         num_threads(num_threads),
         num_threads(num_threads),
         debug(debug) {}
         debug(debug) {}
 
 

@@ -141,9 +141,8 @@ std::vector<char> ReadFile(AAssetManager *mgr, const std::string &filename) {
   auto p = reinterpret_cast<const char *>(AAsset_getBuffer(asset));
   auto p = reinterpret_cast<const char *>(AAsset_getBuffer(asset));
   size_t asset_length = AAsset_getLength(asset);
   size_t asset_length = AAsset_getLength(asset);
 
 
-  AAsset_close(asset);
-
   std::vector<char> buffer(p, p + asset_length);
   std::vector<char> buffer(p, p + asset_length);
+  AAsset_close(asset);
 
 
   return buffer;
   return buffer;
 }
 }

@@ -65,7 +65,7 @@ as the device_name.
 
 
   sherpa_onnx::OnlineRecognizerConfig config;
   sherpa_onnx::OnlineRecognizerConfig config;
 
 
-  config.tokens = argv[1];
+  config.model_config.tokens = argv[1];
 
 
   config.model_config.debug = false;
   config.model_config.debug = false;
   config.model_config.encoder_filename = argv[2];
   config.model_config.encoder_filename = argv[2];

@@ -58,7 +58,7 @@ for a list of pre-trained models to download.
   signal(SIGINT, Handler);
   signal(SIGINT, Handler);
 
 
   sherpa_onnx::OnlineRecognizerConfig config;
   sherpa_onnx::OnlineRecognizerConfig config;
-  config.tokens = argv[1];
+  config.model_config.tokens = argv[1];
 
 
   config.model_config.debug = false;
   config.model_config.debug = false;
   config.model_config.encoder_filename = argv[2];
   config.model_config.encoder_filename = argv[2];

@@ -35,7 +35,7 @@ for a list of pre-trained models to download.
 
 
   sherpa_onnx::OnlineRecognizerConfig config;
   sherpa_onnx::OnlineRecognizerConfig config;
 
 
-  config.tokens = argv[1];
+  config.model_config.tokens = argv[1];
 
 
   config.model_config.debug = false;
   config.model_config.debug = false;
   config.model_config.encoder_filename = argv[2];
   config.model_config.encoder_filename = argv[2];

@@ -19,23 +19,9 @@
 #include <fstream>
 #include <fstream>
 #endif
 #endif
 
 
-#if __ANDROID_API__ >= 8
-#include "android/log.h"
-#define SHERPA_ONNX_LOGE(...)                                            \
-  do {                                                                   \
-    fprintf(stderr, ##__VA_ARGS__);                                      \
-    fprintf(stderr, "\n");                                               \
-    __android_log_print(ANDROID_LOG_WARN, "sherpa-onnx", ##__VA_ARGS__); \
-  } while (0)
-#else
-#define SHERPA_ONNX_LOGE(...)       \
-  do {                              \
-    fprintf(stderr, ##__VA_ARGS__); \
-    fprintf(stderr, "\n");          \
-  } while (0)
-#endif
-
+#include "sherpa-onnx/csrc/macros.h"
 #include "sherpa-onnx/csrc/online-recognizer.h"
 #include "sherpa-onnx/csrc/online-recognizer.h"
+#include "sherpa-onnx/csrc/onnx-utils.h"
 #include "sherpa-onnx/csrc/wave-reader.h"
 #include "sherpa-onnx/csrc/wave-reader.h"
 
 
 #define SHERPA_ONNX_EXTERN_C extern "C"
 #define SHERPA_ONNX_EXTERN_C extern "C"
@@ -160,14 +146,6 @@ static OnlineRecognizerConfig GetConfig(JNIEnv *env, jobject config) {
   ans.endpoint_config.rule3.min_utterance_length =
   ans.endpoint_config.rule3.min_utterance_length =
       env->GetFloatField(rule3, fid);
       env->GetFloatField(rule3, fid);
 
 
-  //---------- tokens ----------
-
-  fid = env->GetFieldID(cls, "tokens", "Ljava/lang/String;");
-  jstring s = (jstring)env->GetObjectField(config, fid);
-  const char *p = env->GetStringUTFChars(s, nullptr);
-  ans.tokens = p;
-  env->ReleaseStringUTFChars(s, p);
-
   //---------- model config ----------
   //---------- model config ----------
   fid = env->GetFieldID(cls, "modelConfig",
   fid = env->GetFieldID(cls, "modelConfig",
                         "Lcom/k2fsa/sherpa/onnx/OnlineTransducerModelConfig;");
                         "Lcom/k2fsa/sherpa/onnx/OnlineTransducerModelConfig;");
@@ -175,8 +153,8 @@ static OnlineRecognizerConfig GetConfig(JNIEnv *env, jobject config) {
   jclass model_config_cls = env->GetObjectClass(model_config);
   jclass model_config_cls = env->GetObjectClass(model_config);
 
 
   fid = env->GetFieldID(model_config_cls, "encoder", "Ljava/lang/String;");
   fid = env->GetFieldID(model_config_cls, "encoder", "Ljava/lang/String;");
-  s = (jstring)env->GetObjectField(model_config, fid);
-  p = env->GetStringUTFChars(s, nullptr);
+  jstring s = (jstring)env->GetObjectField(model_config, fid);
+  const char *p = env->GetStringUTFChars(s, nullptr);
   ans.model_config.encoder_filename = p;
   ans.model_config.encoder_filename = p;
   env->ReleaseStringUTFChars(s, p);
   env->ReleaseStringUTFChars(s, p);
 
 
@@ -192,6 +170,12 @@ static OnlineRecognizerConfig GetConfig(JNIEnv *env, jobject config) {
   ans.model_config.joiner_filename = p;
   ans.model_config.joiner_filename = p;
   env->ReleaseStringUTFChars(s, p);
   env->ReleaseStringUTFChars(s, p);
 
 
+  fid = env->GetFieldID(model_config_cls, "tokens", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(model_config, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model_config.tokens = p;
+  env->ReleaseStringUTFChars(s, p);
+
   fid = env->GetFieldID(model_config_cls, "numThreads", "I");
   fid = env->GetFieldID(model_config_cls, "numThreads", "I");
   ans.model_config.num_threads = env->GetIntField(model_config, fid);
   ans.model_config.num_threads = env->GetIntField(model_config, fid);
 
 
@@ -226,7 +210,6 @@ JNIEXPORT jlong JNICALL Java_com_k2fsa_sherpa_onnx_SherpaOnnx_new(
 SHERPA_ONNX_EXTERN_C
 SHERPA_ONNX_EXTERN_C
 JNIEXPORT void JNICALL Java_com_k2fsa_sherpa_onnx_SherpaOnnx_delete(
 JNIEXPORT void JNICALL Java_com_k2fsa_sherpa_onnx_SherpaOnnx_delete(
     JNIEnv *env, jobject /*obj*/, jlong ptr) {
     JNIEnv *env, jobject /*obj*/, jlong ptr) {
-  SHERPA_ONNX_LOGE("freed!");
   delete reinterpret_cast<sherpa_onnx::SherpaOnnx *>(ptr);
   delete reinterpret_cast<sherpa_onnx::SherpaOnnx *>(ptr);
 }
 }
 
 
@@ -286,12 +269,9 @@ Java_com_k2fsa_sherpa_onnx_WaveReader_00024Companion_readWave(
     return nullptr;
     return nullptr;
   }
   }
 
 
-  AAsset *asset = AAssetManager_open(mgr, p_filename, AASSET_MODE_BUFFER);
-  size_t asset_length = AAsset_getLength(asset);
-  std::vector<char> buffer(asset_length);
-  AAsset_read(asset, buffer.data(), asset_length);
+  std::vector<char> buffer = sherpa_onnx::ReadFile(mgr, p_filename);
 
 
-  std::istrstream is(buffer.data(), asset_length);
+  std::istrstream is(buffer.data(), buffer.size());
 #else
 #else
   std::ifstream is(p_filename, std::ios::binary);
   std::ifstream is(p_filename, std::ios::binary);
 #endif
 #endif
@@ -300,9 +280,6 @@ Java_com_k2fsa_sherpa_onnx_WaveReader_00024Companion_readWave(
   std::vector<float> samples =
   std::vector<float> samples =
       sherpa_onnx::ReadWave(is, expected_sample_rate, &is_ok);
       sherpa_onnx::ReadWave(is, expected_sample_rate, &is_ok);
 
 
-#if __ANDROID_API__ >= 9
-  AAsset_close(asset);
-#endif
   env->ReleaseStringUTFChars(filename, p_filename);
   env->ReleaseStringUTFChars(filename, p_filename);
 
 
   if (!is_ok) {
   if (!is_ok) {

@@ -21,13 +21,12 @@ static void PybindOnlineRecognizerConfig(py::module *m) {
   using PyClass = OnlineRecognizerConfig;
   using PyClass = OnlineRecognizerConfig;
   py::class_<PyClass>(*m, "OnlineRecognizerConfig")
   py::class_<PyClass>(*m, "OnlineRecognizerConfig")
       .def(py::init<const FeatureExtractorConfig &,
       .def(py::init<const FeatureExtractorConfig &,
-                    const OnlineTransducerModelConfig &, const std::string &,
-                    const EndpointConfig &, bool>(),
-           py::arg("feat_config"), py::arg("model_config"), py::arg("tokens"),
+                    const OnlineTransducerModelConfig &, const EndpointConfig &,
+                    bool>(),
+           py::arg("feat_config"), py::arg("model_config"),
            py::arg("endpoint_config"), py::arg("enable_endpoint"))
            py::arg("endpoint_config"), py::arg("enable_endpoint"))
       .def_readwrite("feat_config", &PyClass::feat_config)
       .def_readwrite("feat_config", &PyClass::feat_config)
       .def_readwrite("model_config", &PyClass::model_config)
       .def_readwrite("model_config", &PyClass::model_config)
-      .def_readwrite("tokens", &PyClass::tokens)
       .def_readwrite("endpoint_config", &PyClass::endpoint_config)
       .def_readwrite("endpoint_config", &PyClass::endpoint_config)
       .def_readwrite("enable_endpoint", &PyClass::enable_endpoint)
       .def_readwrite("enable_endpoint", &PyClass::enable_endpoint)
       .def("__str__", &PyClass::ToString);
       .def("__str__", &PyClass::ToString);

@@ -14,13 +14,14 @@ void PybindOnlineTransducerModelConfig(py::module *m) {
   using PyClass = OnlineTransducerModelConfig;
   using PyClass = OnlineTransducerModelConfig;
   py::class_<PyClass>(*m, "OnlineTransducerModelConfig")
   py::class_<PyClass>(*m, "OnlineTransducerModelConfig")
       .def(py::init<const std::string &, const std::string &,
       .def(py::init<const std::string &, const std::string &,
-                    const std::string &, int32_t, bool>(),
+                    const std::string &, const std::string &, int32_t, bool>(),
            py::arg("encoder_filename"), py::arg("decoder_filename"),
            py::arg("encoder_filename"), py::arg("decoder_filename"),
-           py::arg("joiner_filename"), py::arg("num_threads"),
-           py::arg("debug") = false)
+           py::arg("joiner_filename"), py::arg("tokens"),
+           py::arg("num_threads"), py::arg("debug") = false)
       .def_readwrite("encoder_filename", &PyClass::encoder_filename)
       .def_readwrite("encoder_filename", &PyClass::encoder_filename)
       .def_readwrite("decoder_filename", &PyClass::decoder_filename)
       .def_readwrite("decoder_filename", &PyClass::decoder_filename)
       .def_readwrite("joiner_filename", &PyClass::joiner_filename)
       .def_readwrite("joiner_filename", &PyClass::joiner_filename)
+      .def_readwrite("tokens", &PyClass::tokens)
       .def_readwrite("num_threads", &PyClass::num_threads)
       .def_readwrite("num_threads", &PyClass::num_threads)
       .def_readwrite("debug", &PyClass::debug)
       .def_readwrite("debug", &PyClass::debug)
       .def("__str__", &PyClass::ToString);
       .def("__str__", &PyClass::ToString);

@@ -85,6 +85,7 @@ class OnlineRecognizer(object):
             encoder_filename=encoder,
             encoder_filename=encoder,
             decoder_filename=decoder,
             decoder_filename=decoder,
             joiner_filename=joiner,
             joiner_filename=joiner,
+            tokens=tokens,
             num_threads=num_threads,
             num_threads=num_threads,
         )
         )
 
 
@@ -102,7 +103,6 @@ class OnlineRecognizer(object):
         recognizer_config = OnlineRecognizerConfig(
         recognizer_config = OnlineRecognizerConfig(
             feat_config=feat_config,
             feat_config=feat_config,
             model_config=model_config,
             model_config=model_config,
-            tokens=tokens,
             endpoint_config=endpoint_config,
             endpoint_config=endpoint_config,
             enable_endpoint=enable_endpoint_detection,
             enable_endpoint=enable_endpoint_detection,
         )
         )