Fix Android build: upgrade to SDK 35, AGP 8.7.3, and Glance widget API

[Copilot]

The Android build was failing due to AAR metadata incompatibility - androidx.core:core-ktx:1.15.0 requires compileSdk 35, but AGP 8.5.2 only supports up to SDK 34. Additionally, Glance widget API calls were using internal methods that are no longer accessible.

SDK and Tooling Upgrades

• AGP 8.5.2 → 8.7.3 to support compileSdk 35
• compileSdk/targetSdk 34 → 35 (minSdk remains 24)
• Java 21 now properly configured across app and Capacitor modules
• Removed composeOptions.kotlinCompilerExtensionVersion - auto-managed by Kotlin 2.0+ Compose plugin

Glance Widget API Migration

Previous internal API calls are no longer accessible:

// Before (fails compilation)
WeatherWidget().update(context, appWidgetManager)
WeatherWidget().update(context, widgetId)

// After
val glanceManager = GlanceAppWidgetManager(context)
val glanceId = glanceManager.getGlanceIdBy(widgetId)
WeatherWidget().update(context, glanceId)

Also updated actionStartActivity<MainActivity>() to actionStartActivity(Intent(context, MainActivity::class.java)).

Resource Fixes

• Removed duplicate splash.png (conflicts with splash.xml)
• Added missing splashBackground color and title_activity_main string
• Fixed Material3 theme reference: @android:style/Theme.Material3.DayNight → @style/Theme.Material3.DayNight

Build Process

Capacitor sync now correctly generates capacitor-cordova-android-plugins/cordova.variables.gradle after web app build.

Warning

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Original prompt

Problem

The Android build is still failing after adding the Compose Compiler plugin. The new error occurs in the Gradle task :app:checkDebugAarMetadata.

This error typically indicates:

• Mismatched compileSdkVersion, minSdkVersion, or targetSdkVersion
• Incompatible library versions with the configured SDK versions

Task

Continue debugging and fixing the entire Android build process:

1. Fix the :app:checkDebugAarMetadata error:

   • Check rootProject.ext.compileSdkVersion, minSdkVersion, and targetSdkVersion values
   • Ensure all SDK version properties are set to valid, consistent, and compatible values
   • Update to recent stable SDK versions if needed (e.g., compileSdk 34, minSdk 24, targetSdk 34)

2. Verify dependency compatibility:

   • Ensure all dependencies support the configured SDK versions
   • Update any outdated or incompatible dependencies

3. Complete the full build:

   • Don't stop at the Compose configuration phase
   • Continue until assembleDebug completes successfully
   • Fix any additional errors that appear during the build process

Notes

• The build uses rootProject.ext.* properties for SDK versions - check where these are defined (likely in root build.gradle or gradle.properties)
• Run the full ./gradlew assembleDebug to verify the complete build works

This pull request was created as a result of the following prompt from Copilot chat.

Problem

The Android build is still failing after adding the Compose Compiler plugin. The new error occurs in the Gradle task :app:checkDebugAarMetadata.

This error typically indicates:

• Mismatched compileSdkVersion, minSdkVersion, or targetSdkVersion
• Incompatible library versions with the configured SDK versions

Task

Continue debugging and fixing the entire Android build process:

1. Fix the :app:checkDebugAarMetadata error:

   • Check rootProject.ext.compileSdkVersion, minSdkVersion, and targetSdkVersion values
   • Ensure all SDK version properties are set to valid, consistent, and compatible values
   • Update to recent stable SDK versions if needed (e.g., compileSdk 34, minSdk 24, targetSdk 34)

2. Verify dependency compatibility:

   • Ensure all dependencies support the configured SDK versions
   • Update any outdated or incompatible dependencies

3. Complete the full build:

   • Don't stop at the Compose configuration phase
   • Continue until assembleDebug completes successfully
   • Fix any additional errors that appear during the build process

Notes

• The build uses rootProject.ext.* properties for SDK versions - check where these are defined (likely in root build.gradle or gradle.properties)
• Run the full ./gradlew assembleDebug to verify the complete build works

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