Add Android WearOS demo (#319)

* Initial commit after creating the project

* First working version

* add a medium model

android/.gitignore

@@ -0,0 +1,2 @@
+!*.jar
+*.so

android/SherpaNcnn/app/src/main/java/com/k2fsa/sherpa/ncnn/SherpaNcnn.kt

@@ -126,6 +126,11 @@ fun getDecoderConfig(method: String, numActivePaths: Int): DecoderConfig {
 4 - https://huggingface.co/shaojieli/sherpa-ncnn-streaming-zipformer-fr-2023-04-14
     This model supports only French
 
+5 - https://github.com/k2-fsa/sherpa-ncnn/releases/download/models/sherpa-ncnn-streaming-zipformer-zh-14M-2023-02-23.tar.bz2
+    This is a small model and supports only Chinese
+6 - https://github.com/k2-fsa/sherpa-ncnn/releases/download/models/sherpa-ncnn-streaming-zipformer-small-bilingual-zh-en-2023-02-16.tar.bz2
+    This is a medium model and supports only Chinese
+
 Please follow
 https://k2-fsa.github.io/sherpa/ncnn/pretrained_models/index.html
 to add more pre-trained models
@@ -206,6 +211,36 @@ fun getModelConfig(type: Int, useGPU: Boolean): ModelConfig? {
                 useGPU = useGPU,
             )
         }
+
+        5 -> {
+            val modelDir = "sherpa-ncnn-streaming-zipformer-zh-14M-2023-02-23"
+            return ModelConfig(
+                encoderParam = "$modelDir/encoder_jit_trace-pnnx.ncnn.param",
+                encoderBin = "$modelDir/encoder_jit_trace-pnnx.ncnn.bin",
+                decoderParam = "$modelDir/decoder_jit_trace-pnnx.ncnn.param",
+                decoderBin = "$modelDir/decoder_jit_trace-pnnx.ncnn.bin",
+                joinerParam = "$modelDir/joiner_jit_trace-pnnx.ncnn.param",
+                joinerBin = "$modelDir/joiner_jit_trace-pnnx.ncnn.bin",
+                tokens = "$modelDir/tokens.txt",
+                numThreads = 2,
+                useGPU = useGPU,
+            )
+        }
+
+        6 -> {
+            val modelDir = "sherpa-ncnn-streaming-zipformer-small-bilingual-zh-en-2023-02-16/96"
+            return ModelConfig(
+                encoderParam = "$modelDir/encoder_jit_trace-pnnx.ncnn.param",
+                encoderBin = "$modelDir/encoder_jit_trace-pnnx.ncnn.bin",
+                decoderParam = "$modelDir/decoder_jit_trace-pnnx.ncnn.param",
+                decoderBin = "$modelDir/decoder_jit_trace-pnnx.ncnn.bin",
+                joinerParam = "$modelDir/joiner_jit_trace-pnnx.ncnn.param",
+                joinerBin = "$modelDir/joiner_jit_trace-pnnx.ncnn.bin",
+                tokens = "$modelDir/tokens.txt",
+                numThreads = 2,
+                useGPU = useGPU,
+            )
+        }
     }
     return null
 }

android/SherpaNcnnWearOS/.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

android/SherpaNcnnWearOS/app/.gitignore

@@ -0,0 +1 @@
+/build

android/SherpaNcnnWearOS/app/build.gradle.kts

@@ -0,0 +1,65 @@
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "com.k2fsa.sherpa.ncnn.wear.os"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.k2fsa.sherpa.ncnn.wear.os"
+        minSdk = 26
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+        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("com.google.android.gms:play-services-wearable:18.1.0")
+    implementation(platform("androidx.compose:compose-bom:2023.08.00"))
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.wear.compose:compose-material:1.1.2")
+    implementation("androidx.wear.compose:compose-foundation:1.1.2")
+    implementation("androidx.activity:activity-compose:1.7.2")
+    implementation("androidx.core:core-splashscreen:1.0.1")
+    androidTestImplementation(platform("androidx.compose:compose-bom:2023.08.00"))
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4")
+    debugImplementation("androidx.compose.ui:ui-tooling")
+    debugImplementation("androidx.compose.ui:ui-test-manifest")
+}

android/SherpaNcnnWearOS/app/lint.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<lint>
+    <!-- Ignore the IconLocation for the Tile preview images -->
+    <issue id="IconLocation">
+        <ignore path="res/drawable/tile_preview.png" />
+        <ignore path="res/drawable-round/tile_preview.png" />
+    </issue>
+</lint>

android/SherpaNcnnWearOS/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

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

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <uses-feature android:name="android.hardware.type.watch" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@android:style/Theme.DeviceDefault">
+        <uses-library
+            android:name="com.google.android.wearable"
+            android:required="true" />
+
+        <!--
+               Set to true if your app is Standalone, that is, it does not require the handheld
+               app to run.
+        -->
+        <meta-data
+            android:name="com.google.android.wearable.standalone"
+            android:value="true" />
+
+        <activity
+            android:name=".presentation.MainActivity"
+            android:exported="true"
+            android:taskAffinity=""
+            android:theme="@style/MainActivityTheme.Starting">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

android/SherpaNcnnWearOS/app/src/main/java/com/k2fsa/sherpa/ncnn/wear/os/presentation/HomeScreen.kt

@@ -0,0 +1,172 @@
+package com.k2fsa.sherpa.ncnn.wear.os.presentation
+
+import android.Manifest
+import android.app.Activity
+import android.content.pm.PackageManager
+import android.media.AudioFormat
+import android.media.AudioRecord
+import android.media.MediaRecorder
+import android.util.Log
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+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.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.core.app.ActivityCompat
+import androidx.wear.compose.material.Button
+import androidx.wear.compose.material.MaterialTheme
+import androidx.wear.compose.material.Text
+import com.k2fsa.sherpa.ncnn.wear.os.presentation.theme.SherpaNcnnWearOSTheme
+import kotlin.concurrent.thread
+
+private var audioRecord: AudioRecord? = null
+private val sampleRateInHz = 16000
+
+@Composable
+fun HomeScreen() {
+    val activity = LocalContext.current as Activity
+    var firstTime by remember { mutableStateOf(true) }
+    var isStarted by remember { mutableStateOf(false) }
+    var result by remember { mutableStateOf("") }
+    val onButtonClick: () -> Unit = {
+        firstTime = false;
+        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
+                )
+
+                thread(true) {
+                    Log.i(TAG, "processing samples")
+                    val interval = 0.1 // i.e., 100 ms
+                    val bufferSize = (interval * sampleRateInHz).toInt() // in samples
+                    val buffer = ShortArray(bufferSize)
+                    audioRecord?.let {
+                        it.startRecording()
+                        while (isStarted) {
+                            val ret = audioRecord?.read(buffer, 0, buffer.size)
+                            ret?.let { n ->
+                                val samples = FloatArray(n) { buffer[it] / 32768.0f }
+                                Recognizer.recognizer.acceptSamples(samples)
+                                while (Recognizer.recognizer.isReady()) {
+                                    Recognizer.recognizer.decode()
+                                }
+                                val isEndpoint = Recognizer.recognizer.isEndpoint()
+                                val text = Recognizer.recognizer.text
+                                if (isEndpoint) {
+                                    Recognizer.recognizer.reset()
+                                }
+                                Log.i(TAG, "text: $text")
+                                result = text
+                            }
+                        }
+                    }
+                    Log.i(TAG, "Stop recording")
+                }
+            }
+        }
+    }
+
+    SherpaNcnnWearOSTheme {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colors.background),
+            contentAlignment = Alignment.Center
+        ) {
+            Column(
+                // verticalArrangement = Arrangement.Center,
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Spacer(modifier = Modifier.height(16.dp))
+
+                if (firstTime) {
+                    ShowMessage()
+                } else {
+                    ShowResult(result)
+                }
+                Spacer(modifier = Modifier.height(32.dp))
+                Button(
+                    onClick = onButtonClick
+                ) {
+
+                    if (isStarted) {
+                        Text("Stop")
+                    } else {
+                        Text("Start")
+                    }
+                }
+                if (!firstTime) {
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Text(
+                        "Next-gen Kaldi + ncnn\nASR",
+                        modifier = Modifier.fillMaxWidth(),
+                        textAlign = TextAlign.Center,
+                        color = MaterialTheme.colors.primary,
+                        fontSize = 10.sp
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun ShowMessage() {
+    val msg = "Real-time\nspeech recognition\nwith\nNext-gen Kaldi + ncnn"
+    Text(
+        modifier = Modifier.fillMaxWidth(),
+        textAlign = TextAlign.Center,
+        color = MaterialTheme.colors.primary,
+        text = msg,
+    )
+}
+
+@Composable
+fun ShowResult(result: String) {
+    var msg: String = result
+    if (msg.length > 10) {
+        val n = 5;
+        val first = result.take(n);
+        val last = result.takeLast(result.length - n)
+        msg = "${first}\n${last}"
+    }
+    Text(
+        modifier = Modifier.fillMaxWidth(),
+        textAlign = TextAlign.Center,
+        color = MaterialTheme.colors.primary,
+        text = msg,
+    )
+}

android/SherpaNcnnWearOS/app/src/main/java/com/k2fsa/sherpa/ncnn/wear/os/presentation/MainActivity.kt

@@ -0,0 +1,93 @@
+/* While this template provides a good starting point for using Wear Compose, you can always
+ * take a look at https://github.com/android/wear-os-samples/tree/main/ComposeStarter and
+ * https://github.com/android/wear-os-samples/tree/main/ComposeAdvanced to find the most up to date
+ * changes to the libraries and their usages.
+ */
+
+package com.k2fsa.sherpa.ncnn.wear.os.presentation
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.util.Log
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+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.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Devices
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.core.app.ActivityCompat
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
+import androidx.wear.compose.material.Button
+import androidx.wear.compose.material.MaterialTheme
+import androidx.wear.compose.material.Text
+import com.k2fsa.sherpa.ncnn.wear.os.presentation.theme.SherpaNcnnWearOSTheme
+
+const val TAG = "sherpa-ncnn"
+private const val REQUEST_RECORD_AUDIO_PERMISSION = 200
+class MainActivity : ComponentActivity() {
+    private val permissions: Array<String> = arrayOf(Manifest.permission.RECORD_AUDIO)
+    override fun onCreate(savedInstanceState: Bundle?) {
+        installSplashScreen()
+
+        super.onCreate(savedInstanceState)
+
+        setTheme(android.R.style.Theme_DeviceDefault)
+
+        setContent {
+            WearApp()
+        }
+
+        ActivityCompat.requestPermissions(this, permissions, REQUEST_RECORD_AUDIO_PERMISSION)
+        Recognizer.initRecognizer(this.assets)
+    }
+    @Suppress("DEPRECATION")
+    override fun onRequestPermissionsResult(
+        requestCode: Int,
+        permissions: Array<out String>,
+        grantResults: IntArray
+    ) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        val permissionToRecordAccepted = if (requestCode == REQUEST_RECORD_AUDIO_PERMISSION) {
+            grantResults[0] == PackageManager.PERMISSION_GRANTED
+        } else {
+            false
+        }
+
+        if (!permissionToRecordAccepted) {
+            Log.e(TAG, "Audio record is disallowed")
+            Toast.makeText(
+                this,
+                "This App needs access to the microphone",
+                Toast.LENGTH_SHORT
+            )
+                .show()
+            finish()
+        }
+        Log.i(TAG, "Audio record is permitted")
+    }
+}
+
+@Composable
+fun WearApp() {
+    HomeScreen()
+}
+
+
+@Preview(device = Devices.WEAR_OS_SMALL_ROUND, showSystemUi = true)
+@Composable
+fun DefaultPreview() {
+    WearApp()
+}

android/SherpaNcnnWearOS/app/src/main/java/com/k2fsa/sherpa/ncnn/wear/os/presentation/Recognizer.kt

@@ -0,0 +1,45 @@
+package com.k2fsa.sherpa.ncnn.wear.os.presentation
+
+import android.content.res.AssetManager
+import android.util.Log
+import com.k2fsa.sherpa.ncnn.RecognizerConfig
+import com.k2fsa.sherpa.ncnn.SherpaNcnn
+import com.k2fsa.sherpa.ncnn.getDecoderConfig
+import com.k2fsa.sherpa.ncnn.getFeatureExtractorConfig
+import com.k2fsa.sherpa.ncnn.getModelConfig
+
+object Recognizer {
+    private var _recognizer: SherpaNcnn? = null
+    val recognizer: SherpaNcnn
+        get() {
+            return _recognizer!!
+        }
+    fun initRecognizer(assetManager: AssetManager? = null) {
+        synchronized(this) {
+            if(_recognizer != null) {
+                return
+            }
+            Log.i(TAG, "Initializing recognizer")
+
+            val featConfig = getFeatureExtractorConfig(
+                sampleRate = 16000.0f,
+                featureDim = 80
+            )
+            val modelConfig = getModelConfig(type = 6, useGPU = false)!!
+            val decoderConfig = getDecoderConfig(method = "greedy_search", numActivePaths = 4)
+            val config = RecognizerConfig(
+                featConfig = featConfig,
+                modelConfig = modelConfig,
+                decoderConfig = decoderConfig,
+                enableEndpoint = true,
+                rule1MinTrailingSilence = 2.0f,
+                rule2MinTrailingSilence = 0.8f,
+                rule3MinUtteranceLength = 20.0f,
+            )
+            _recognizer = SherpaNcnn(
+                assetManager = assetManager,
+                config = config,
+            )
+        }
+    }
+}

android/SherpaNcnnWearOS/app/src/main/java/com/k2fsa/sherpa/ncnn/wear/os/presentation/SherpaNcnn.kt

@@ -0,0 +1 @@
+../../../../../../../../../../../../SherpaNcnn/app/src/main/java/com/k2fsa/sherpa/ncnn/SherpaNcnn.kt

android/SherpaNcnnWearOS/app/src/main/java/com/k2fsa/sherpa/ncnn/wear/os/presentation/theme/Theme.kt

@@ -0,0 +1,17 @@
+package com.k2fsa.sherpa.ncnn.wear.os.presentation.theme
+
+import androidx.compose.runtime.Composable
+import androidx.wear.compose.material.MaterialTheme
+
+@Composable
+fun SherpaNcnnWearOSTheme(
+    content: @Composable () -> Unit
+) {
+    /**
+     * Empty theme to customize for your app.
+     * See: https://developer.android.com/jetpack/compose/designsystems/custom
+     */
+    MaterialTheme(
+        content = content
+    )
+}

android/SherpaNcnnWearOS/app/src/main/res/drawable/splash_icon.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:width="48dp"
+        android:height="48dp"
+        android:gravity="center">
+        <shape android:shape="oval">
+            <solid android:color="#FFFFFF" />
+        </shape>
+    </item>
+    <item
+        android:width="40dp"
+        android:height="40dp"
+        android:gravity="center">
+        <vector
+            android:width="24dp"
+            android:height="24dp"
+            android:tint="#000000"
+            android:viewportWidth="24"
+            android:viewportHeight="24">
+            <path
+                android:fillColor="#FF000000"
+                android:pathData="M17.6,11.48 L19.44,8.3a0.63,0.63 0,0 0,-1.09 -0.63l-1.88,3.24a11.43,11.43 0,0 0,-8.94 0L5.65,7.67a0.63,0.63 0,0 0,-1.09 0.63L6.4,11.48A10.81,10.81 0,0 0,1 20L23,20A10.81,10.81 0,0 0,17.6 11.48ZM7,17.25A1.25,1.25 0,1 1,8.25 16,1.25 1.25,0 0,1 7,17.25ZM17,17.25A1.25,1.25 0,1 1,18.25 16,1.25 1.25,0 0,1 17,17.25Z" />
+        </vector>
+    </item>
+</layer-list>

android/SherpaNcnnWearOS/app/src/main/res/values-round/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="hello_world">From the Round world,\nHello, %1$s!</string>
+</resources>

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

@@ -0,0 +1,8 @@
+<resources>
+    <string name="app_name">ASR + ncnn</string>
+    <!--
+    This string is used for square devices and overridden by hello_world in
+    values-round/strings.xml for round devices.
+    -->
+    <string name="hello_world">From the Square world,\nHello, %1$s!</string>
+</resources>

android/SherpaNcnnWearOS/app/src/main/res/values/styles.xml

@@ -0,0 +1,8 @@
+<resources>
+
+    <style name="MainActivityTheme.Starting" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@android:color/black</item>
+        <item name="windowSplashScreenAnimatedIcon">@drawable/splash_icon</item>
+        <item name="postSplashScreenTheme">@android:style/Theme.DeviceDefault</item>
+    </style>
+</resources>

android/SherpaNcnnWearOS/build.gradle.kts

@@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id("com.android.application") version "8.2.0" apply false
+    id("org.jetbrains.kotlin.android") version "1.9.0" apply false
+}

android/SherpaNcnnWearOS/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. 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

android/SherpaNcnnWearOS/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon Mar 04 12:21:17 CST 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

android/SherpaNcnnWearOS/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 "$JAVACMD" "$@"

android/SherpaNcnnWearOS/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

android/SherpaNcnnWearOS/settings.gradle.kts

@@ -0,0 +1,17 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "SherpaNcnnWearOS"
+include(":app")