feat(watch): Wear OS companion app - UX surfaces + bridge client (#91-E, #91-F)

watch_app/android/app/build.gradle.kts

@@ -0,0 +1,38 @@
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.gametime.watch"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    defaultConfig {
+        applicationId = "com.gametime.watch"
+        minSdk = 26
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
+    }
+
+    buildTypes {
+        release {
+            signingConfig = signingConfigs.getByName("debug")
+        }
+    }
+}
+
+flutter {
+    source = "../.."
+}
+
+dependencies {
+    implementation("com.google.android.gms:play-services-wearable:19.0.0")
+}

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

@@ -0,0 +1,54 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-feature
+        android:name="android.hardware.type.watch"
+        android:required="true" />
+
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+
+    <application
+        android:label="GameTime"
+        android:name="${applicationName}"
+        android:icon="@drawable/ic_launcher"
+        android:theme="@style/LaunchTheme"
+        android:usesCleartextTraffic="false">
+        <uses-library
+            android:name="com.google.android.wearable"
+            android:required="true" />
+        <meta-data
+            android:name="com.google.android.wearable.standalone"
+            android:value="false" />
+        <activity
+            android:name=".MainActivity"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:exported="true"
+            android:hardwareAccelerated="true"
+            android:launchMode="singleTop"
+            android:taskAffinity=""
+            android:theme="@style/LaunchTheme"
+            android:windowSoftInputMode="adjustResize">
+            <meta-data
+                android:name="io.flutter.embedding.android.NormalTheme"
+                android:resource="@style/NormalTheme" />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+        <service
+            android:name=".bridge.WatchBridgeListenerService"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.google.android.gms.wearable.DATA_CHANGED" />
+                <action android:name="com.google.android.gms.wearable.MESSAGE_RECEIVED" />
+                <action android:name="com.google.android.gms.wearable.CAPABILITY_CHANGED" />
+                <data
+                    android:host="*"
+                    android:pathPrefix="/gametime"
+                    android:scheme="wear" />
+            </intent-filter>
+        </service>
+    </application>
+</manifest>

watch_app/android/app/src/main/kotlin/com/gametime/watch/MainActivity.kt

@@ -0,0 +1,12 @@
+package com.gametime.watch
+
+import com.gametime.watch.bridge.WatchBridgePlugin
+import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+
+class MainActivity : FlutterActivity() {
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+        WatchBridgePlugin.register(flutterEngine, applicationContext)
+    }
+}

watch_app/android/app/src/main/kotlin/com/gametime/watch/bridge/WatchBridgeListenerService.kt

@@ -0,0 +1,58 @@
+package com.gametime.watch.bridge
+
+import com.google.android.gms.wearable.CapabilityInfo
+import com.google.android.gms.wearable.DataEventBuffer
+import com.google.android.gms.wearable.MessageEvent
+import com.google.android.gms.wearable.WearableListenerService
+import org.json.JSONObject
+import java.nio.charset.StandardCharsets
+
+class WatchBridgeListenerService : WearableListenerService() {
+    override fun onDataChanged(dataEvents: DataEventBuffer) {
+        try {
+            for (event in dataEvents) {
+                WatchBridgePlugin.handleDataEvent(event)
+            }
+        } finally {
+            dataEvents.release()
+        }
+    }
+
+    override fun onMessageReceived(messageEvent: MessageEvent) {
+        if (messageEvent.path != WatchBridgePlugin.ACK_PATH) {
+            return
+        }
+        val payload = JSONObject(String(messageEvent.data, StandardCharsets.UTF_8))
+        WatchBridgePlugin.emitAck(payload.toMap())
+    }
+
+    override fun onCapabilityChanged(capabilityInfo: CapabilityInfo) {
+        if (capabilityInfo.name != WatchBridgePlugin.PHONE_CAPABILITY) {
+            return
+        }
+        WatchBridgePlugin.emitConnection(
+            isReachable = capabilityInfo.nodes.isNotEmpty(),
+            requestsResync = capabilityInfo.nodes.isNotEmpty(),
+        )
+        if (capabilityInfo.nodes.isNotEmpty()) {
+            WatchBridgePlugin.requestLatestProjection(applicationContext)
+        }
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        WatchBridgePlugin.requestCapabilityRefresh(applicationContext)
+        WatchBridgePlugin.requestLatestProjection(applicationContext)
+    }
+}
+
+private fun JSONObject.toMap(): Map<String, Any?> {
+    val output = linkedMapOf<String, Any?>()
+    val keys = keys()
+    while (keys.hasNext()) {
+        val key = keys.next()
+        val value = get(key)
+        output[key] = if (value == JSONObject.NULL) null else value
+    }
+    return output
+}

watch_app/android/app/src/main/kotlin/com/gametime/watch/bridge/WatchBridgePlugin.kt

@@ -0,0 +1,242 @@
+package com.gametime.watch.bridge
+
+import android.content.Context
+import android.net.Uri
+import com.google.android.gms.wearable.CapabilityClient
+import com.google.android.gms.wearable.DataEvent
+import com.google.android.gms.wearable.DataMapItem
+import com.google.android.gms.wearable.Wearable
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.EventChannel
+import io.flutter.plugin.common.MethodCall
+import io.flutter.plugin.common.MethodChannel
+import org.json.JSONArray
+import org.json.JSONObject
+import java.nio.charset.StandardCharsets
+
+object WatchBridgePlugin {
+    private const val METHOD_CHANNEL = "gametime.watch_bridge/methods"
+    private const val PROJECTION_CHANNEL = "gametime.watch_bridge/projections"
+    private const val ACK_CHANNEL = "gametime.watch_bridge/acks"
+    private const val CONNECTION_CHANNEL = "gametime.watch_bridge/connection"
+
+    const val COMMAND_PATH = "/gametime/watch/command"
+    const val ACK_PATH = "/gametime/phone/ack"
+    const val STATE_PATH = "/gametime/phone/projection"
+    const val PHONE_CAPABILITY = "gametime_phone_companion"
+
+    private var appContext: Context? = null
+    private var projectionSink: EventChannel.EventSink? = null
+    private var ackSink: EventChannel.EventSink? = null
+    private var connectionSink: EventChannel.EventSink? = null
+
+    fun register(flutterEngine: FlutterEngine, context: Context) {
+        appContext = context.applicationContext
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, METHOD_CHANNEL)
+            .setMethodCallHandler(::handleMethodCall)
+        EventChannel(flutterEngine.dartExecutor.binaryMessenger, PROJECTION_CHANNEL)
+            .setStreamHandler(
+                object : EventChannel.StreamHandler {
+                    override fun onListen(arguments: Any?, events: EventChannel.EventSink?) {
+                        projectionSink = events
+                        requestLatestProjection(context.applicationContext)
+                    }
+
+                    override fun onCancel(arguments: Any?) {
+                        projectionSink = null
+                    }
+                },
+            )
+        EventChannel(flutterEngine.dartExecutor.binaryMessenger, ACK_CHANNEL)
+            .setStreamHandler(
+                object : EventChannel.StreamHandler {
+                    override fun onListen(arguments: Any?, events: EventChannel.EventSink?) {
+                        ackSink = events
+                    }
+
+                    override fun onCancel(arguments: Any?) {
+                        ackSink = null
+                    }
+                },
+            )
+        EventChannel(flutterEngine.dartExecutor.binaryMessenger, CONNECTION_CHANNEL)
+            .setStreamHandler(
+                object : EventChannel.StreamHandler {
+                    override fun onListen(arguments: Any?, events: EventChannel.EventSink?) {
+                        connectionSink = events
+                        requestCapabilityRefresh(context.applicationContext)
+                    }
+
+                    override fun onCancel(arguments: Any?) {
+                        connectionSink = null
+                    }
+                },
+            )
+    }
+
+    fun emitProjection(payload: Map<String, Any?>): Boolean {
+        val sink = projectionSink ?: return false
+        sink.success(payload)
+        return true
+    }
+
+    fun emitAck(payload: Map<String, Any?>): Boolean {
+        val sink = ackSink ?: return false
+        sink.success(payload)
+        return true
+    }
+
+    fun emitConnection(isReachable: Boolean, requestsResync: Boolean) {
+        connectionSink?.success(
+            mapOf(
+                "isReachable" to isReachable,
+                "requestsResync" to requestsResync,
+            ),
+        )
+    }
+
+    fun handleDataEvent(event: DataEvent) {
+        if (event.type != DataEvent.TYPE_CHANGED ||
+            event.dataItem.uri.path != STATE_PATH
+        ) {
+            return
+        }
+        val projectionJson = DataMapItem.fromDataItem(event.dataItem)
+            .dataMap
+            .getString("projectionJson")
+            ?: return
+        emitProjection(JSONObject(projectionJson).toMap())
+    }
+
+    private fun handleMethodCall(call: MethodCall, result: MethodChannel.Result) {
+        val context = appContext
+        if (context == null) {
+            result.error("watch_bridge_unavailable", "Application context unavailable.", null)
+            return
+        }
+        when (call.method) {
+            "sendCommand" -> sendCommand(context, call.arguments, result)
+            "requestCapabilityRefresh" -> {
+                requestCapabilityRefresh(context)
+                result.success(null)
+            }
+            "requestResync" -> {
+                requestLatestProjection(context)
+                requestCapabilityRefresh(context)
+                result.success(null)
+            }
+            else -> result.notImplemented()
+        }
+    }
+
+    private fun sendCommand(
+        context: Context,
+        arguments: Any?,
+        result: MethodChannel.Result,
+    ) {
+        val map = arguments as? Map<*, *>
+        if (map == null) {
+            result.error("invalid_command", "Command payload must be a map.", null)
+            return
+        }
+        val payload = JSONObject(map).toString().toByteArray(StandardCharsets.UTF_8)
+        Wearable.getCapabilityClient(context)
+            .getCapability(PHONE_CAPABILITY, CapabilityClient.FILTER_REACHABLE)
+            .addOnSuccessListener { capability ->
+                val nodes = capability.nodes.toList()
+                if (nodes.isEmpty()) {
+                    emitConnection(isReachable = false, requestsResync = false)
+                    result.error("phone_unreachable", "No reachable phone companion.", null)
+                    return@addOnSuccessListener
+                }
+                var remaining = nodes.size
+                var failed = false
+                for (node in nodes) {
+                    Wearable.getMessageClient(context)
+                        .sendMessage(node.id, COMMAND_PATH, payload)
+                        .addOnSuccessListener {
+                            remaining -= 1
+                            if (remaining == 0 && !failed) {
+                                emitConnection(isReachable = true, requestsResync = false)
+                                result.success(null)
+                            }
+                        }
+                        .addOnFailureListener { error ->
+                            if (failed) {
+                                return@addOnFailureListener
+                            }
+                            failed = true
+                            emitConnection(isReachable = false, requestsResync = false)
+                            result.error("send_command_failed", error.message, null)
+                        }
+                }
+            }
+            .addOnFailureListener { error ->
+                emitConnection(isReachable = false, requestsResync = false)
+                result.error("capability_lookup_failed", error.message, null)
+            }
+    }
+
+    fun requestCapabilityRefresh(context: Context) {
+        Wearable.getCapabilityClient(context)
+            .getCapability(PHONE_CAPABILITY, CapabilityClient.FILTER_REACHABLE)
+            .addOnSuccessListener { capability ->
+                emitConnection(
+                    isReachable = capability.nodes.isNotEmpty(),
+                    requestsResync = capability.nodes.isNotEmpty(),
+                )
+            }
+            .addOnFailureListener {
+                emitConnection(isReachable = false, requestsResync = false)
+            }
+    }
+
+    fun requestLatestProjection(context: Context) {
+        val uri = Uri.Builder()
+            .scheme("wear")
+            .path(STATE_PATH)
+            .build()
+        Wearable.getDataClient(context)
+            .getDataItems(uri)
+            .addOnSuccessListener { buffer ->
+                try {
+                    for (item in buffer) {
+                        val projectionJson = DataMapItem.fromDataItem(item)
+                            .dataMap
+                            .getString("projectionJson")
+                            ?: continue
+                        emitProjection(JSONObject(projectionJson).toMap())
+                    }
+                } finally {
+                    buffer.release()
+                }
+            }
+    }
+}
+
+private fun JSONObject.toMap(): Map<String, Any?> {
+    val output = linkedMapOf<String, Any?>()
+    val keys = keys()
+    while (keys.hasNext()) {
+        val key = keys.next()
+        output[key] = unwrapJsonValue(get(key))
+    }
+    return output
+}
+
+private fun JSONArray.toList(): List<Any?> {
+    val output = mutableListOf<Any?>()
+    for (index in 0 until length()) {
+        output.add(unwrapJsonValue(get(index)))
+    }
+    return output
+}
+
+private fun unwrapJsonValue(value: Any?): Any? {
+    return when (value) {
+        JSONObject.NULL -> null
+        is JSONObject -> value.toMap()
+        is JSONArray -> value.toList()
+        else -> value
+    }
+}

watch_app/android/app/src/main/res/drawable/ic_launcher.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp"
+    android:height="48dp"
+    android:viewportWidth="48"
+    android:viewportHeight="48">
+    <path
+        android:fillColor="#080A12"
+        android:pathData="M24,2a22,22 0,1 0,0.1 0z" />
+    <path
+        android:fillColor="#D72638"
+        android:pathData="M13,12h22v6H22v5h11v6H22v7h-9z" />
+</vector>

watch_app/android/app/src/main/res/drawable/launch_background.xml

@@ -0,0 +1,3 @@
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/black" />
+</layer-list>

watch_app/android/app/src/main/res/values-round/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.DeviceDefault.NoActionBar">
+        <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:windowIsTranslucent">false</item>
+    </style>
+
+    <style name="NormalTheme" parent="@android:style/Theme.DeviceDefault.NoActionBar">
+        <item name="android:windowBackground">#080A12</item>
+        <item name="android:windowIsTranslucent">false</item>
+    </style>
+</resources>

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

@@ -0,0 +1,9 @@
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.DeviceDefault.NoActionBar">
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+
+    <style name="NormalTheme" parent="@android:style/Theme.DeviceDefault.NoActionBar">
+        <item name="android:windowBackground">#080A12</item>
+    </style>
+</resources>

watch_app/android/app/src/main/res/values/wear.xml

@@ -0,0 +1,5 @@
+<resources>
+    <string-array name="android_wear_capabilities">
+        <item>gametime_watch_companion</item>
+    </string-array>
+</resources>

watch_app/android/build.gradle.kts

@@ -0,0 +1,25 @@
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build/watch_app")
+        .get()
+rootProject.layout.buildDirectory.value(newBuildDir)
+
+subprojects {
+    val newSubprojectBuildDir: Directory = newBuildDir.dir(project.name)
+    project.layout.buildDirectory.value(newSubprojectBuildDir)
+}
+
+subprojects {
+    project.evaluationDependsOn(":app")
+}
+
+tasks.register<Delete>("clean") {
+    delete(rootProject.layout.buildDirectory)
+}

watch_app/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-all.zip

watch_app/android/gradlew

@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# 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 "$SAVED" >/dev/null
+
+CLASSPATH=$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" ] ; 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, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$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`="\"$arg\""
+        fi
+        i=$((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
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

watch_app/android/gradlew.bat

@@ -0,0 +1,90 @@
+@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
+
+@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=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@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 init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+: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 %CMD_LINE_ARGS%
+
+: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

watch_app/android/settings.gradle.kts

@@ -0,0 +1,26 @@
+pluginManagement {
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
+
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
+
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
+    id("com.android.application") version "9.0.1" apply false
+    id("org.jetbrains.kotlin.android") version "2.3.20" apply false
+}
+
+include(":app")