diff --git a/android/README.md b/android/README.md
index 060d81b719..91e061a456 100644
--- a/android/README.md
+++ b/android/README.md
@@ -18,3 +18,4 @@ for usage.
|[SherpaOnnxWebSocket](./SherpaOnnxWebSocket)| |It shows how to write a websocket client for the [Python streaming websocket server](https://github.com/k2-fsa/sherpa-onnx/blob/master/python-api-examples/streaming_server.py).|
|[SherpaOnnxAudioTagging](./SherpaOnnxAudioTagging)|[URL](https://k2-fsa.github.io/sherpa/onnx/audio-tagging/apk.html)| It shows how to use audio tagging.|
|[SherpaOnnxAudioTaggingWearOS](./SherpaOnnxAudioTagging)|[URL](https://k2-fsa.github.io/sherpa/onnx/audio-tagging/apk-wearos.html)| It shows how to use audio tagging on WearOS.|
+|[SherpaOnnxSimulateStreamingAsr](./SherpaOnnxSimulateStreamingAsr)|| It shows how to use a non-streaming ASR model for streaming speech recognition.|
diff --git a/android/SherpaOnnxSimulateStreamingAsr/.gitignore b/android/SherpaOnnxSimulateStreamingAsr/.gitignore
new file mode 100644
index 0000000000..aa724b7707
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/.gitignore
@@ -0,0 +1,15 @@
+*.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
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/.gitignore b/android/SherpaOnnxSimulateStreamingAsr/app/.gitignore
new file mode 100644
index 0000000000..42afabfd2a
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/build.gradle.kts b/android/SherpaOnnxSimulateStreamingAsr/app/build.gradle.kts
new file mode 100644
index 0000000000..3038ce92b5
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/build.gradle.kts
@@ -0,0 +1,69 @@
+plugins {
+ alias(libs.plugins.android.application)
+ alias(libs.plugins.jetbrains.kotlin.android)
+}
+
+android {
+ namespace = "com.k2fsa.sherpa.onnx.simulate.streaming.asr"
+ compileSdk = 34
+
+ defaultConfig {
+ applicationId = "com.k2fsa.sherpa.onnx.simulate.streaming.asr"
+ minSdk = 21
+ targetSdk = 34
+ versionCode = 1
+ versionName = "1.0"
+
+ testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+ vectorDrawables {
+ useSupportLibrary = true
+ }
+ }
+
+ buildTypes {
+ release {
+ isMinifyEnabled = false
+ proguardFiles(
+ getDefaultProguardFile("proguard-android-optimize.txt"),
+ "proguard-rules.pro"
+ )
+ }
+ }
+ compileOptions {
+ sourceCompatibility = JavaVersion.VERSION_1_8
+ targetCompatibility = JavaVersion.VERSION_1_8
+ }
+ kotlinOptions {
+ jvmTarget = "1.8"
+ }
+ buildFeatures {
+ compose = true
+ }
+ composeOptions {
+ kotlinCompilerExtensionVersion = "1.5.1"
+ }
+ packaging {
+ resources {
+ excludes += "/META-INF/{AL2.0,LGPL2.1}"
+ }
+ }
+}
+
+dependencies {
+ implementation(libs.androidx.core.ktx)
+ implementation(libs.androidx.lifecycle.runtime.ktx)
+ implementation(libs.androidx.activity.compose)
+ implementation(platform(libs.androidx.compose.bom))
+ implementation(libs.androidx.ui)
+ implementation(libs.androidx.ui.graphics)
+ implementation(libs.androidx.ui.tooling.preview)
+ implementation(libs.androidx.material3)
+ implementation(libs.androidx.navigation.compose)
+ testImplementation(libs.junit)
+ androidTestImplementation(libs.androidx.junit)
+ androidTestImplementation(libs.androidx.espresso.core)
+ androidTestImplementation(platform(libs.androidx.compose.bom))
+ androidTestImplementation(libs.androidx.ui.test.junit4)
+ debugImplementation(libs.androidx.ui.tooling)
+ debugImplementation(libs.androidx.ui.test.manifest)
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/proguard-rules.pro b/android/SherpaOnnxSimulateStreamingAsr/app/proguard-rules.pro
new file mode 100644
index 0000000000..481bb43481
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/androidTest/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleInstrumentedTest.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/androidTest/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000000..62d3ded39b
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/androidTest/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr
+
+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.simulate.streaming.asr", appContext.packageName)
+ }
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/AndroidManifest.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000000..c97f7eb271
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/AndroidManifest.xml
@@ -0,0 +1,30 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/assets/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/assets/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/FeatureConfig.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/FeatureConfig.kt
new file mode 120000
index 0000000000..952fae878a
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/FeatureConfig.kt
@@ -0,0 +1 @@
+../../../../../../../../../../sherpa-onnx/kotlin-api/FeatureConfig.kt
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/HomophoneReplacerConfig.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/HomophoneReplacerConfig.kt
new file mode 120000
index 0000000000..b9f74be21c
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/HomophoneReplacerConfig.kt
@@ -0,0 +1 @@
+../../../../../../../../../../sherpa-onnx/kotlin-api/HomophoneReplacerConfig.kt
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineRecognizer.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineRecognizer.kt
new file mode 120000
index 0000000000..faa3ab4acf
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineRecognizer.kt
@@ -0,0 +1 @@
+../../../../../../../../../../sherpa-onnx/kotlin-api/OfflineRecognizer.kt
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineStream.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineStream.kt
new file mode 120000
index 0000000000..2a3aff864e
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineStream.kt
@@ -0,0 +1 @@
+../../../../../../../../../../sherpa-onnx/kotlin-api/OfflineStream.kt
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/Vad.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/Vad.kt
new file mode 120000
index 0000000000..761b158ce9
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/Vad.kt
@@ -0,0 +1 @@
+../../../../../../../../../../sherpa-onnx/kotlin-api/Vad.kt
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/BarItem.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/BarItem.kt
new file mode 100644
index 0000000000..b07963174d
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/BarItem.kt
@@ -0,0 +1,13 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr
+
+import androidx.compose.ui.graphics.vector.ImageVector
+
+data class BarItem(
+ val title: String,
+
+ // see https://www.composables.com/icons
+ // and
+ // https://developer.android.com/reference/kotlin/androidx/compose/material/icons/filled/package-summary
+ val image: ImageVector,
+ val route: String,
+)
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/MainActivity.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/MainActivity.kt
new file mode 100644
index 0000000000..7628245380
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/MainActivity.kt
@@ -0,0 +1,162 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.util.Log
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.CenterAlignedTopAppBar
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.core.app.ActivityCompat
+import androidx.navigation.NavGraph.Companion.findStartDestination
+import androidx.navigation.NavHostController
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens.HelpScreen
+import com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens.HomeScreen
+import com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme.SimulateStreamingAsrTheme
+
+const val TAG = "sherpa-onnx-sim-asr"
+private const val REQUEST_RECORD_AUDIO_PERMISSION = 200
+
+@Suppress("DEPRECATION")
+class MainActivity : ComponentActivity() {
+ private val permissions: Array = arrayOf(Manifest.permission.RECORD_AUDIO)
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ enableEdgeToEdge()
+ setContent {
+ SimulateStreamingAsrTheme {
+ Surface(
+ modifier = Modifier.fillMaxSize(),
+ color = MaterialTheme.colorScheme.background
+ ) {
+ MainScreen()
+ }
+ }
+ }
+ ActivityCompat.requestPermissions(this, permissions, REQUEST_RECORD_AUDIO_PERMISSION)
+
+ SimulateStreamingAsr.initOfflineRecognizer(this.assets, this.application)
+ SimulateStreamingAsr.initVad(this.assets)
+ }
+
+ @Deprecated("Deprecated in Java")
+ override fun onRequestPermissionsResult(
+ requestCode: Int,
+ permissions: Array,
+ grantResults: IntArray
+ ) {
+ super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+ val permissionToRecordAccepted = if (requestCode == REQUEST_RECORD_AUDIO_PERMISSION) {
+ grantResults[0] == PackageManager.PERMISSION_GRANTED
+ } else {
+ false
+ }
+
+ if (!permissionToRecordAccepted) {
+ Log.e(TAG, "Audio record is disallowed")
+ Toast.makeText(
+ this,
+ "This App needs to access the microphone",
+ Toast.LENGTH_SHORT
+ )
+ .show()
+ finish()
+ }
+
+ Log.i(TAG, "Audio record is permitted")
+ }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun MainScreen(modifier: Modifier = Modifier) {
+ val navController = rememberNavController()
+
+ Scaffold(
+ topBar = {
+ CenterAlignedTopAppBar(
+ colors = TopAppBarDefaults.topAppBarColors(
+ containerColor = MaterialTheme.colorScheme.primaryContainer,
+ titleContentColor = MaterialTheme.colorScheme.primary,
+ ),
+ title = {
+ Text(
+ "Next-gen Kaldi: Simulate real-time speech recognition",
+ fontWeight = FontWeight.Bold,
+ )
+ },
+ )
+ },
+ content = { padding ->
+ Column(Modifier.padding(padding)) {
+ NavigationHost(navController = navController)
+
+ }
+ },
+ bottomBar = {
+ BottomNavigationBar(navController = navController)
+ }
+ )
+}
+
+@Composable
+fun NavigationHost(navController: NavHostController) {
+ NavHost(navController = navController, startDestination = NavRoutes.Home.route) {
+ composable(NavRoutes.Home.route) {
+ HomeScreen()
+ }
+
+ composable(NavRoutes.Help.route) {
+ HelpScreen()
+ }
+ }
+}
+
+@Composable
+fun BottomNavigationBar(navController: NavHostController) {
+ NavigationBar {
+ val backStackEntry by navController.currentBackStackEntryAsState()
+ val currentRoute = backStackEntry?.destination?.route
+
+ NavBarItems.BarItems.forEach { navItem ->
+ NavigationBarItem(selected = currentRoute == navItem.route,
+ onClick = {
+ navController.navigate(navItem.route) {
+ popUpTo(navController.graph.findStartDestination().id) {
+ saveState = true
+ }
+ launchSingleTop = true
+ restoreState = true
+ }
+ },
+ icon = {
+ Icon(imageVector = navItem.image, contentDescription = navItem.title)
+ }, label = {
+ Text(text = navItem.title)
+ })
+ }
+ }
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavBarItems.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavBarItems.kt
new file mode 100644
index 0000000000..1df2832c5d
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavBarItems.kt
@@ -0,0 +1,20 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Home
+import androidx.compose.material.icons.filled.Info
+
+object NavBarItems {
+ val BarItems = listOf(
+ BarItem(
+ title = "Home",
+ image = Icons.Filled.Home,
+ route = "home",
+ ),
+ BarItem(
+ title = "Help",
+ image = Icons.Filled.Info,
+ route = "help",
+ ),
+ )
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavRoutes.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavRoutes.kt
new file mode 100644
index 0000000000..1452e154cb
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavRoutes.kt
@@ -0,0 +1,6 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr
+
+sealed class NavRoutes(val route: String) {
+ object Home : NavRoutes("home")
+ object Help : NavRoutes("help")
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/SimulateStreamingAsr.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/SimulateStreamingAsr.kt
new file mode 100644
index 0000000000..8743be5d4a
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/SimulateStreamingAsr.kt
@@ -0,0 +1,150 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr
+
+import android.app.Application
+import android.content.res.AssetManager
+import android.util.Log
+import com.k2fsa.sherpa.onnx.HomophoneReplacerConfig
+import com.k2fsa.sherpa.onnx.OfflineRecognizer
+import com.k2fsa.sherpa.onnx.OfflineRecognizerConfig
+import com.k2fsa.sherpa.onnx.Vad
+import com.k2fsa.sherpa.onnx.getOfflineModelConfig
+import com.k2fsa.sherpa.onnx.getVadModelConfig
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+
+object SimulateStreamingAsr {
+ private var _recognizer: OfflineRecognizer? = null
+ val recognizer: OfflineRecognizer
+ get() {
+ return _recognizer!!
+ }
+
+ private var _vad: Vad? = null
+ val vad: Vad
+ get() {
+ return _vad!!
+ }
+
+ fun initOfflineRecognizer(assetManager: AssetManager? = null, application: Application) {
+ synchronized(this) {
+ if (_recognizer != null) {
+ return
+ }
+ Log.i(TAG, "Initializing sherpa-onnx offline recognizer")
+ // Please change getOfflineModelConfig() to add new models
+ // See https://k2-fsa.github.io/sherpa/onnx/pretrained_models/index.html
+ // for a list of available models
+ val asrModelType = 15
+ val asrRuleFsts: String?
+ asrRuleFsts = null
+ Log.i(TAG, "Select model type $asrModelType for ASR")
+
+ val useHr = false
+ val hr = HomophoneReplacerConfig(
+ // Used only when useHr is true
+ // Please download the following 3 files from
+ // https://github.com/k2-fsa/sherpa-onnx/releases/tag/hr-files
+ //
+ // dict and lexicon.txt can be shared by different apps
+ //
+ // replace.fst is specific for an app
+ dictDir = "dict",
+ lexicon = "lexicon.txt",
+ ruleFsts = "replace.fst",
+ )
+
+ val config = OfflineRecognizerConfig(
+ modelConfig = getOfflineModelConfig(type = asrModelType)!!,
+ )
+
+ if (config.modelConfig.numThreads == 1) {
+ config.modelConfig.numThreads = 2
+ }
+
+ if (asrRuleFsts != null) {
+ config.ruleFsts = asrRuleFsts
+ }
+
+ if (useHr) {
+ if (hr.dictDir.isNotEmpty() && hr.dictDir.first() != '/') {
+ // We need to copy it from the assets directory to some path
+ val newDir = copyDataDir(hr.dictDir, application)
+ hr.dictDir = "$newDir/${hr.dictDir}"
+ }
+ config.hr = hr
+ }
+
+ _recognizer = OfflineRecognizer(
+ assetManager = assetManager,
+ config = config,
+ )
+
+ Log.i(TAG, "sherpa-onnx offline recognizer initialized")
+ }
+ }
+
+ fun initVad(assetManager: AssetManager? = null) {
+ if (_vad != null) {
+ return
+ }
+ val type = 0
+ Log.i(TAG, "Select VAD model type $type")
+ val config = getVadModelConfig(type)
+
+ _vad = Vad(
+ assetManager = assetManager,
+ config = config!!,
+ )
+ Log.i(TAG, "sherpa-onnx vad initialized")
+ }
+
+ private fun copyDataDir(dataDir: String, application: Application): String {
+ Log.i(TAG, "data dir is $dataDir")
+ copyAssets(dataDir, application)
+
+ val newDataDir = application.getExternalFilesDir(null)!!.absolutePath
+ Log.i(TAG, "newDataDir: $newDataDir")
+ return newDataDir
+ }
+
+ private fun copyAssets(path: String, application: Application) {
+ val assets: Array?
+ try {
+ assets = application.assets.list(path)
+ if (assets!!.isEmpty()) {
+ copyFile(path, application)
+ } else {
+ val fullPath = "${application.getExternalFilesDir(null)}/$path"
+ val dir = File(fullPath)
+ dir.mkdirs()
+ for (asset in assets.iterator()) {
+ val p: String = if (path == "") "" else "$path/"
+ copyAssets(p + asset, application)
+ }
+ }
+ } catch (ex: IOException) {
+ Log.e(TAG, "Failed to copy $path. $ex")
+ }
+ }
+
+ private fun copyFile(filename: String, application: Application) {
+ try {
+ val istream = application.assets.open(filename)
+ val newFilename = application.getExternalFilesDir(null).toString() + "/" + filename
+ val ostream = FileOutputStream(newFilename)
+ // Log.i(TAG, "Copying $filename to $newFilename")
+ val buffer = ByteArray(1024)
+ var read = 0
+ while (read != -1) {
+ ostream.write(buffer, 0, read)
+ read = istream.read(buffer)
+ }
+ istream.close()
+ ostream.flush()
+ ostream.close()
+ } catch (ex: Exception) {
+ Log.e(TAG, "Failed to copy $filename, $ex")
+ }
+ }
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Help.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Help.kt
new file mode 100644
index 0000000000..de1435f832
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Help.kt
@@ -0,0 +1,33 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens
+
+import androidx.compose.runtime.Composable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Text
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+fun HelpScreen() {
+ Box(modifier = Modifier.fillMaxSize()) {
+ Column(
+ modifier = Modifier.padding(8.dp)
+ ) {
+ Text(
+ "This app uses a non-streaming ASR model together with silero-vad " +
+ "for streaming/real-time speech recognition. ",
+ fontSize=10.sp
+ )
+ Spacer(modifier = Modifier.height(10.dp))
+ Text("Please see http://github.com/k2-fsa/sherpa-onnx ")
+
+ Spacer(modifier = Modifier.height(10.dp))
+ Text("Everything is open-sourced!", fontSize = 20.sp)
+ }
+ }
+}
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Home.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Home.kt
new file mode 100644
index 0000000000..36c6a3be67
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Home.kt
@@ -0,0 +1,299 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.pm.PackageManager
+import android.media.AudioFormat
+import android.media.AudioRecord
+import android.media.MediaRecorder
+import android.util.Log
+import android.widget.Toast
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalClipboardManager
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.unit.dp
+import androidx.core.app.ActivityCompat
+import com.k2fsa.sherpa.onnx.simulate.streaming.asr.R
+import com.k2fsa.sherpa.onnx.simulate.streaming.asr.SimulateStreamingAsr
+import com.k2fsa.sherpa.onnx.simulate.streaming.asr.TAG
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.launch
+
+private var audioRecord: AudioRecord? = null
+
+private const val sampleRateInHz = 16000
+private var samplesChannel = Channel(capacity = Channel.UNLIMITED)
+
+@Composable
+fun HomeScreen() {
+ val context = LocalContext.current
+ val clipboardManager = LocalClipboardManager.current
+
+ val activity = LocalContext.current as Activity
+ var isStarted by remember { mutableStateOf(false) }
+ val resultList: MutableList = remember { mutableStateListOf() }
+ val lazyColumnListState = rememberLazyListState()
+ val coroutineScope = rememberCoroutineScope()
+
+ val onRecordingButtonClick: () -> Unit = {
+ isStarted = !isStarted
+ if (isStarted) {
+ if (ActivityCompat.checkSelfPermission(
+ activity,
+ Manifest.permission.RECORD_AUDIO
+ ) != PackageManager.PERMISSION_GRANTED
+ ) {
+ Log.i(TAG, "Recording is not allowed")
+ } else {
+ // recording is allowed
+ val audioSource = MediaRecorder.AudioSource.MIC
+ val channelConfig = AudioFormat.CHANNEL_IN_MONO
+ val audioFormat = AudioFormat.ENCODING_PCM_16BIT
+ val numBytes =
+ AudioRecord.getMinBufferSize(sampleRateInHz, channelConfig, audioFormat)
+ audioRecord = AudioRecord(
+ audioSource,
+ sampleRateInHz,
+ AudioFormat.CHANNEL_IN_MONO,
+ AudioFormat.ENCODING_PCM_16BIT,
+ numBytes * 2 // a sample has two bytes as we are using 16-bit PCM
+ )
+
+ SimulateStreamingAsr.vad.reset()
+
+ CoroutineScope(Dispatchers.IO).launch {
+ Log.i(TAG, "processing samples")
+ val interval = 0.1 // i.e., 100 ms
+ val bufferSize = (interval * sampleRateInHz).toInt() // in samples
+ val buffer = ShortArray(bufferSize)
+
+ audioRecord?.let { it ->
+ it.startRecording()
+
+ while (isStarted) {
+ val ret = audioRecord?.read(buffer, 0, buffer.size)
+ ret?.let { n ->
+ val samples = FloatArray(n) { buffer[it] / 32768.0f }
+ samplesChannel.send(samples)
+ }
+ }
+ val samples = FloatArray(0)
+ samplesChannel.send(samples)
+ }
+ }
+
+ CoroutineScope(Dispatchers.Default).launch {
+ var buffer = arrayListOf()
+ var offset = 0
+ val windowSize = 512
+ var isSpeechStarted = false
+ var startTime = System.currentTimeMillis()
+ var lastText = ""
+ var added = false
+
+
+ while (isStarted) {
+ for (s in samplesChannel) {
+ if (s.isEmpty()) {
+ break
+ }
+
+ buffer.addAll(s.toList())
+ while (offset + windowSize < buffer.size) {
+ SimulateStreamingAsr.vad.acceptWaveform(
+ buffer.subList(
+ offset,
+ offset + windowSize
+ ).toFloatArray()
+ )
+ offset += windowSize
+ if (!isSpeechStarted && SimulateStreamingAsr.vad.isSpeechDetected()) {
+ isSpeechStarted = true
+ startTime = System.currentTimeMillis()
+ }
+ }
+
+ val elapsed = System.currentTimeMillis() - startTime
+ if (isSpeechStarted && elapsed > 200) {
+ // Run ASR every 0.2 seconds == 200 milliseconds
+ // You can change it to some other value
+ val stream = SimulateStreamingAsr.recognizer.createStream()
+ stream.acceptWaveform(
+ buffer.subList(0, offset).toFloatArray(),
+ sampleRateInHz
+ )
+ SimulateStreamingAsr.recognizer.decode(stream)
+ val result = SimulateStreamingAsr.recognizer.getResult(stream)
+ stream.release()
+
+ lastText = result.text
+
+ if (lastText.isNotBlank()) {
+ if (!added || resultList.isEmpty()) {
+ resultList.add(lastText)
+ added = true
+ } else {
+ resultList[resultList.size - 1] = lastText
+ }
+
+ coroutineScope.launch {
+ lazyColumnListState.animateScrollToItem(resultList.size - 1)
+ }
+ }
+
+ startTime = System.currentTimeMillis()
+ }
+
+
+ while (!SimulateStreamingAsr.vad.empty()) {
+ val stream = SimulateStreamingAsr.recognizer.createStream()
+ stream.acceptWaveform(
+ SimulateStreamingAsr.vad.front().samples,
+ sampleRateInHz
+ )
+ SimulateStreamingAsr.recognizer.decode(stream)
+ val result = SimulateStreamingAsr.recognizer.getResult(stream)
+ stream.release()
+
+ isSpeechStarted = false
+ SimulateStreamingAsr.vad.pop()
+
+ buffer = arrayListOf()
+ offset = 0
+ if (lastText.isNotBlank()) {
+ if (added && resultList.isNotEmpty()) {
+ resultList[resultList.size - 1] = result.text
+ } else {
+ resultList.add(result.text)
+ }
+
+ coroutineScope.launch {
+ lazyColumnListState.animateScrollToItem(resultList.size - 1)
+ }
+ added = false
+ }
+ }
+ }
+ }
+ }
+ }
+ } else {
+ audioRecord?.stop()
+ audioRecord?.release()
+ audioRecord = null
+ }
+ }
+ Box(
+ modifier = Modifier.fillMaxSize(),
+ contentAlignment = Alignment.TopCenter,
+ ) {
+ Column(modifier = Modifier) {
+ HomeButtonRow(
+ isStarted = isStarted,
+ onRecordingButtonClick = onRecordingButtonClick,
+ onCopyButtonClick = {
+ if (resultList.isNotEmpty()) {
+ val s = resultList.mapIndexed { i, s -> "${i + 1}: $s" }
+ .joinToString(separator = "\n")
+ clipboardManager.setText(AnnotatedString(s))
+
+ Toast.makeText(
+ context,
+ "Copied to clipboard",
+ Toast.LENGTH_SHORT
+ )
+ .show()
+ } else {
+ Toast.makeText(
+ context,
+ "Nothing to copy",
+ Toast.LENGTH_SHORT
+ )
+ .show()
+
+ }
+ },
+ onClearButtonClick = {
+ resultList.clear()
+ }
+ )
+
+ if (resultList.size > 0) {
+ LazyColumn(
+ modifier = Modifier
+ .fillMaxWidth()
+ .fillMaxHeight(),
+ contentPadding = PaddingValues(16.dp),
+ state = lazyColumnListState
+ ) {
+ itemsIndexed(resultList) { index, line ->
+ Text(text = "${index+1}: $line")
+ }
+ }
+ }
+
+ }
+ }
+}
+
+@SuppressLint("UnrememberedMutableState")
+@Composable
+private fun HomeButtonRow(
+ modifier: Modifier = Modifier,
+ isStarted: Boolean,
+ onRecordingButtonClick: () -> Unit,
+ onCopyButtonClick: () -> Unit,
+ onClearButtonClick: () -> Unit,
+) {
+ Row(
+ modifier = modifier.fillMaxWidth(),
+ horizontalArrangement = Arrangement.Center,
+ ) {
+ Button(
+ onClick = onRecordingButtonClick
+ ) {
+ Text(text = stringResource(if (isStarted) R.string.stop else R.string.start))
+ }
+
+ Spacer(modifier = Modifier.width(24.dp))
+
+ Button(onClick = onCopyButtonClick) {
+ Text(text = stringResource(id = R.string.copy))
+ }
+
+ Spacer(modifier = Modifier.width(24.dp))
+
+ Button(onClick = onClearButtonClick) {
+ Text(text = stringResource(id = R.string.clear))
+ }
+ }
+}
+
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Color.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Color.kt
new file mode 100644
index 0000000000..806a68d3d0
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Color.kt
@@ -0,0 +1,11 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Theme.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Theme.kt
new file mode 100644
index 0000000000..f57b11194a
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Theme.kt
@@ -0,0 +1,58 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+ primary = Purple80,
+ secondary = PurpleGrey80,
+ tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+ primary = Purple40,
+ secondary = PurpleGrey40,
+ tertiary = Pink40
+
+ /* Other default colors to override
+ background = Color(0xFFFFFBFE),
+ surface = Color(0xFFFFFBFE),
+ onPrimary = Color.White,
+ onSecondary = Color.White,
+ onTertiary = Color.White,
+ onBackground = Color(0xFF1C1B1F),
+ onSurface = Color(0xFF1C1B1F),
+ */
+)
+
+@Composable
+fun SimulateStreamingAsrTheme(
+ darkTheme: Boolean = isSystemInDarkTheme(),
+ // Dynamic color is available on Android 12+
+ dynamicColor: Boolean = true,
+ content: @Composable () -> Unit
+) {
+ val colorScheme = when {
+ dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+ val context = LocalContext.current
+ if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+ }
+
+ darkTheme -> DarkColorScheme
+ else -> LightColorScheme
+ }
+
+ MaterialTheme(
+ colorScheme = colorScheme,
+ typography = Typography,
+ content = content
+ )
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Type.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Type.kt
new file mode 100644
index 0000000000..ac0b873898
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Type.kt
@@ -0,0 +1,34 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+ bodyLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 16.sp,
+ lineHeight = 24.sp,
+ letterSpacing = 0.5.sp
+ )
+ /* Other default text styles to override
+ titleLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 22.sp,
+ lineHeight = 28.sp,
+ letterSpacing = 0.sp
+ ),
+ labelSmall = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Medium,
+ fontSize = 11.sp,
+ lineHeight = 16.sp,
+ letterSpacing = 0.5.sp
+ )
+ */
+)
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/arm64-v8a/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/arm64-v8a/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/armeabi-v7a/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/armeabi-v7a/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86_64/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86_64/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000000..2b068d1146
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable/ic_launcher_background.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000000..07d5da9cbf
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000000..6f3b755bf5
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000000..6f3b755bf5
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher.webp
new file mode 100644
index 0000000000..c209e78ecd
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..b2dfe3d1ba
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-mdpi/ic_launcher.webp
new file mode 100644
index 0000000000..4f0f1d64e5
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-mdpi/ic_launcher.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..62b611da08
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
new file mode 100644
index 0000000000..948a3070fe
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xhdpi/ic_launcher.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..1b9a6956b3
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diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
new file mode 100644
index 0000000000..28d4b77f9f
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..9287f50836
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 0000000000..aa7d6427e6
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..9126ae37cb
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/colors.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000000..f8c6127d32
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/colors.xml
@@ -0,0 +1,10 @@
+
+
+ #FFBB86FC
+ #FF6200EE
+ #FF3700B3
+ #FF03DAC5
+ #FF018786
+ #FF000000
+ #FFFFFFFF
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/strings.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000000..05701881e1
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/strings.xml
@@ -0,0 +1,7 @@
+
+ SimulateStreamingAsr
+ Start
+ Stop
+ Copy
+ Clear
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/themes.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000000..783e45ce9c
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/themes.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/xml/backup_rules.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/xml/backup_rules.xml
new file mode 100644
index 0000000000..fa0f996d2c
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/xml/backup_rules.xml
@@ -0,0 +1,13 @@
+
+
+
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/xml/data_extraction_rules.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/xml/data_extraction_rules.xml
new file mode 100644
index 0000000000..9ee9997b0b
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/xml/data_extraction_rules.xml
@@ -0,0 +1,19 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/test/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleUnitTest.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/test/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleUnitTest.kt
new file mode 100644
index 0000000000..22035fa79e
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/test/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package com.k2fsa.sherpa.onnx.simulate.streaming.asr
+
+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)
+ }
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/build.gradle.kts b/android/SherpaOnnxSimulateStreamingAsr/build.gradle.kts
new file mode 100644
index 0000000000..f74b04bf26
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/build.gradle.kts
@@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+ alias(libs.plugins.android.application) apply false
+ alias(libs.plugins.jetbrains.kotlin.android) apply false
+}
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/gradle.properties b/android/SherpaOnnxSimulateStreamingAsr/gradle.properties
new file mode 100644
index 0000000000..20e2a01520
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/gradle.properties
@@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
\ No newline at end of file
diff --git a/android/SherpaOnnxSimulateStreamingAsr/gradle/libs.versions.toml b/android/SherpaOnnxSimulateStreamingAsr/gradle/libs.versions.toml
new file mode 100644
index 0000000000..b69d0be2ee
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/gradle/libs.versions.toml
@@ -0,0 +1,34 @@
+[versions]
+agp = "8.4.0"
+kotlin = "1.9.0"
+coreKtx = "1.10.0"
+junit = "4.13.2"
+junitVersion = "1.1.5"
+espressoCore = "3.5.1"
+lifecycleRuntimeKtx = "2.6.1"
+activityCompose = "1.8.0"
+composeBom = "2023.08.00"
+navigationCompose = "2.8.2"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
+androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }
+
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+
diff --git a/android/SherpaOnnxSimulateStreamingAsr/gradle/wrapper/gradle-wrapper.jar b/android/SherpaOnnxSimulateStreamingAsr/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000..e708b1c023
Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/android/SherpaOnnxSimulateStreamingAsr/gradle/wrapper/gradle-wrapper.properties b/android/SherpaOnnxSimulateStreamingAsr/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000000..da08dd570d
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Wed May 14 11:10:06 CST 2025
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/android/SherpaOnnxSimulateStreamingAsr/gradlew b/android/SherpaOnnxSimulateStreamingAsr/gradlew
new file mode 100755
index 0000000000..4f906e0c81
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=`expr $i + 1`
+ done
+ case $i in
+ 0) set -- ;;
+ 1) set -- "$args0" ;;
+ 2) set -- "$args0" "$args1" ;;
+ 3) set -- "$args0" "$args1" "$args2" ;;
+ 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/android/SherpaOnnxSimulateStreamingAsr/gradlew.bat b/android/SherpaOnnxSimulateStreamingAsr/gradlew.bat
new file mode 100644
index 0000000000..ac1b06f938
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/android/SherpaOnnxSimulateStreamingAsr/settings.gradle.kts b/android/SherpaOnnxSimulateStreamingAsr/settings.gradle.kts
new file mode 100644
index 0000000000..6e2f298da5
--- /dev/null
+++ b/android/SherpaOnnxSimulateStreamingAsr/settings.gradle.kts
@@ -0,0 +1,23 @@
+pluginManagement {
+ repositories {
+ google {
+ content {
+ includeGroupByRegex("com\\.android.*")
+ includeGroupByRegex("com\\.google.*")
+ includeGroupByRegex("androidx.*")
+ }
+ }
+ mavenCentral()
+ gradlePluginPortal()
+ }
+}
+dependencyResolutionManagement {
+ repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+ repositories {
+ google()
+ mavenCentral()
+ }
+}
+
+rootProject.name = "SimulateStreamingAsr"
+include(":app")
diff --git a/sherpa-onnx/c-api/c-api.cc b/sherpa-onnx/c-api/c-api.cc
index 507275a680..f38f85a0cb 100644
--- a/sherpa-onnx/c-api/c-api.cc
+++ b/sherpa-onnx/c-api/c-api.cc
@@ -31,6 +31,7 @@
#include "sherpa-onnx/csrc/speaker-embedding-extractor.h"
#include "sherpa-onnx/csrc/speaker-embedding-manager.h"
#include "sherpa-onnx/csrc/spoken-language-identification.h"
+#include "sherpa-onnx/csrc/text-utils.h"
#include "sherpa-onnx/csrc/voice-activity-detector.h"
#include "sherpa-onnx/csrc/wave-reader.h"
#include "sherpa-onnx/csrc/wave-writer.h"
@@ -158,11 +159,14 @@ static sherpa_onnx::OnlineRecognizerConfig GetOnlineRecognizerConfig(
recognizer_config.hr.rule_fsts = SHERPA_ONNX_OR(config->hr.rule_fsts, "");
if (config->model_config.debug) {
+ auto str_vec = sherpa_onnx::SplitString(recognizer_config.ToString(), 128);
+ for (const auto &s : str_vec) {
#if __OHOS__
- SHERPA_ONNX_LOGE("%{public}s\n", recognizer_config.ToString().c_str());
+ SHERPA_ONNX_LOGE("%{public}s\n", s.c_str());
#else
- SHERPA_ONNX_LOGE("%s\n", recognizer_config.ToString().c_str());
+ SHERPA_ONNX_LOGE("%s\n", s.c_str());
#endif
+ }
}
return recognizer_config;
@@ -503,11 +507,14 @@ static sherpa_onnx::OfflineRecognizerConfig GetOfflineRecognizerConfig(
recognizer_config.hr.rule_fsts = SHERPA_ONNX_OR(config->hr.rule_fsts, "");
if (config->model_config.debug) {
+ auto str_vec = sherpa_onnx::SplitString(recognizer_config.ToString(), 128);
+ for (const auto &s : str_vec) {
#if __OHOS__
- SHERPA_ONNX_LOGE("%{public}s\n", recognizer_config.ToString().c_str());
+ SHERPA_ONNX_LOGE("%{public}s\n", s.c_str());
#else
- SHERPA_ONNX_LOGE("%s\n", recognizer_config.ToString().c_str());
+ SHERPA_ONNX_LOGE("%s\n", s.c_str());
#endif
+ }
}
return recognizer_config;
diff --git a/sherpa-onnx/csrc/text-utils.cc b/sherpa-onnx/csrc/text-utils.cc
index ecd980c677..3f39047618 100644
--- a/sherpa-onnx/csrc/text-utils.cc
+++ b/sherpa-onnx/csrc/text-utils.cc
@@ -707,4 +707,20 @@ bool EndsWith(const std::string &haystack, const std::string &needle) {
return std::equal(needle.rbegin(), needle.rend(), haystack.rbegin());
}
+std::vector SplitString(const std::string &s, int32_t chunk_size) {
+ std::vector ans;
+ if (chunk_size < 1 || chunk_size > s.size()) {
+ ans.push_back(s);
+ } else {
+ int32_t n = static_cast(s.size());
+ int32_t i = 0;
+ while (i < n) {
+ int32_t end = std::min(i + chunk_size, n);
+ ans.push_back(s.substr(i, end - i));
+ i = end;
+ }
+ }
+ return ans;
+}
+
} // namespace sherpa_onnx
diff --git a/sherpa-onnx/csrc/text-utils.h b/sherpa-onnx/csrc/text-utils.h
index 6d73d8c6a4..c9ca50f7d3 100644
--- a/sherpa-onnx/csrc/text-utils.h
+++ b/sherpa-onnx/csrc/text-utils.h
@@ -147,6 +147,8 @@ std::string ToString(const std::wstring &s);
bool EndsWith(const std::string &haystack, const std::string &needle);
+std::vector SplitString(const std::string &s, int32_t chunk_size);
+
} // namespace sherpa_onnx
#endif // SHERPA_ONNX_CSRC_TEXT_UTILS_H_
diff --git a/sherpa-onnx/jni/offline-recognizer.cc b/sherpa-onnx/jni/offline-recognizer.cc
index 1123b7b0fe..785d885d50 100644
--- a/sherpa-onnx/jni/offline-recognizer.cc
+++ b/sherpa-onnx/jni/offline-recognizer.cc
@@ -5,6 +5,7 @@
#include "sherpa-onnx/csrc/offline-recognizer.h"
#include "sherpa-onnx/csrc/macros.h"
+#include "sherpa-onnx/csrc/text-utils.h"
#include "sherpa-onnx/jni/common.h"
namespace sherpa_onnx {
@@ -327,7 +328,12 @@ Java_com_k2fsa_sherpa_onnx_OfflineRecognizer_newFromAsset(JNIEnv *env,
}
#endif
auto config = sherpa_onnx::GetOfflineConfig(env, _config);
- SHERPA_ONNX_LOGE("config:\n%s", config.ToString().c_str());
+
+ // logcat truncates long strings, so we split the string into chunks
+ auto str_vec = sherpa_onnx::SplitString(config.ToString(), 128);
+ for (const auto &s : str_vec) {
+ SHERPA_ONNX_LOGE("%s", s.c_str());
+ }
auto model = new sherpa_onnx::OfflineRecognizer(
#if __ANDROID_API__ >= 9
@@ -344,7 +350,11 @@ Java_com_k2fsa_sherpa_onnx_OfflineRecognizer_newFromFile(JNIEnv *env,
jobject /*obj*/,
jobject _config) {
auto config = sherpa_onnx::GetOfflineConfig(env, _config);
- SHERPA_ONNX_LOGE("config:\n%s", config.ToString().c_str());
+
+ auto str_vec = sherpa_onnx::SplitString(config.ToString(), 128);
+ for (const auto &s : str_vec) {
+ SHERPA_ONNX_LOGE("%s", s.c_str());
+ }
if (!config.Validate()) {
SHERPA_ONNX_LOGE("Errors found in config!");
diff --git a/sherpa-onnx/jni/online-recognizer.cc b/sherpa-onnx/jni/online-recognizer.cc
index 1ab5826384..a2ace47214 100644
--- a/sherpa-onnx/jni/online-recognizer.cc
+++ b/sherpa-onnx/jni/online-recognizer.cc
@@ -5,6 +5,7 @@
#include "sherpa-onnx/csrc/online-recognizer.h"
#include "sherpa-onnx/csrc/macros.h"
+#include "sherpa-onnx/csrc/text-utils.h"
#include "sherpa-onnx/jni/common.h"
namespace sherpa_onnx {
@@ -295,7 +296,10 @@ Java_com_k2fsa_sherpa_onnx_OnlineRecognizer_newFromAsset(JNIEnv *env,
}
#endif
auto config = sherpa_onnx::GetConfig(env, _config);
- SHERPA_ONNX_LOGE("config:\n%s", config.ToString().c_str());
+ auto str_vec = sherpa_onnx::SplitString(config.ToString(), 128);
+ for (const auto &s : str_vec) {
+ SHERPA_ONNX_LOGE("%s", s.c_str());
+ }
auto recognizer = new sherpa_onnx::OnlineRecognizer(
#if __ANDROID_API__ >= 9
@@ -310,7 +314,11 @@ SHERPA_ONNX_EXTERN_C
JNIEXPORT jlong JNICALL Java_com_k2fsa_sherpa_onnx_OnlineRecognizer_newFromFile(
JNIEnv *env, jobject /*obj*/, jobject _config) {
auto config = sherpa_onnx::GetConfig(env, _config);
- SHERPA_ONNX_LOGE("config:\n%s", config.ToString().c_str());
+
+ auto str_vec = sherpa_onnx::SplitString(config.ToString(), 128);
+ for (const auto &s : str_vec) {
+ SHERPA_ONNX_LOGE("%s", s.c_str());
+ }
if (!config.Validate()) {
SHERPA_ONNX_LOGE("Errors found in config!");