mobile: Add PTT UI, add MobileViewModel, handle remote PushToTalk

Renamed:
* mobile/MainActivity->MobileActivity
* wear/MainActivity->WearActivity
Start to add `shared` library module

.gitignore

@@ -4,3 +4,5 @@
 /build
 /local.properties
 .DS_Store
+
+scratch/

build.gradle.kts

@@ -3,4 +3,5 @@ plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.kotlin.android) apply false
     alias(libs.plugins.kotlin.compose) apply false
+    alias(libs.plugins.android.library) apply false
 }

gradle/libs.versions.toml

@@ -24,6 +24,9 @@ horologistComposeTools = "0.6.17"
 horologistTiles = "0.6.17"
 watchfaceComplicationsDataSourceKtx = "1.2.1"
 wearPhoneInteractions = "1.0.1"
+runtimeAndroid = "1.7.6"
+lifecycleRuntimeKtx = "2.8.7"
+composeMaterialVersion = "1.4.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -56,9 +59,14 @@ horologist-tiles = { group = "com.google.android.horologist", name = "horologist
 androidx-watchface-complications-data-source-ktx = { group = "androidx.wear.watchface", name = "watchface-complications-data-source-ktx", version.ref = "watchfaceComplicationsDataSourceKtx" }
 androidx-wear-phone-interactions = { group = "androidx.wear", name = "wear-phone-interactions", version.ref = "wearPhoneInteractions" }
 kotlin-reflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlin" }
+androidx-runtime-android = { group = "androidx.compose.runtime", name = "runtime-android", version.ref = "runtimeAndroid" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+compose-material = { group = "androidx.wear.compose", name = "compose-material", version.ref = "composeMaterialVersion" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+android-library = { id = "com.android.library", version.ref = "agp" }
 

mobile/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
 }
 
 android {
@@ -33,16 +34,36 @@ android {
     kotlinOptions {
         jvmTarget = "21"
     }
+    buildFeatures {
+        buildConfig = true
+        compose = true
+    }
 }
 
 dependencies {
-    implementation(libs.androidx.core.ktx)
-    implementation(libs.androidx.appcompat)
-    implementation(libs.play.services.wearable)
-    implementation(libs.material)
     implementation(libs.androidx.activity)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.appcompat)
     implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.runtime.android)
+    implementation(libs.material)
+    implementation(libs.play.services.wearable)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    implementation(libs.compose.material)
+    implementation(project(":shared"))
+
     testImplementation(libs.junit)
-    androidTestImplementation(libs.androidx.junit)
+
     androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
 }

mobile/src/main/AndroidManifest.xml

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools">
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    >
 
     <application
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -9,12 +11,12 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.PhoneWearRemote"
-        >
+        android:theme="@style/Theme.PhoneWearRemote">
         <activity
-            android:name=".MainActivity"
+            android:name=".MobileActivity"
             android:exported="true"
-             >
+            android:label="@string/title_activity_mobile"
+            android:theme="@style/Theme.PhoneWearRemote" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />