Creating Tiles for Wear OS

Jun 8 2021 · Kotlin 1.5, Android 8, Android Studio 4.2

Part 1: Creating Tiles for Wear OS

02. Set Up the Project

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Previous episode: 01. Learn About Wear OS Tiles Next episode: 03. Create a Basic Tile

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Demo $[==]

To set up the project, first, open the app build.gradle and add the following dependencies:

implementation 'androidx.wear:wear:1.1.0'
implementation "androidx.wear.tiles:tiles:1.0.0-alpha05"
debugImplementation "androidx.wear.tiles:tiles-renderer:1.0.0-alpha05"

class WaterService : TileProviderService() {

  private val ioScope = CoroutineScope(Dispatchers.IO)

  override fun onDestroy() {
    super.onDestroy()
    ioScope.cancel()
  }

}

override fun onTileRequest(requestParams: RequestReaders.TileRequest): ListenableFuture<TileBuilders.Tile> {
  return ioScope.future {

    TileBuilders.Tile.builder()
      .setResourcesVersion("1")
      .build()

  }
}

override fun onResourcesRequest(requestParams: RequestReaders.ResourcesRequest): ListenableFuture<ResourceBuilders.Resources> {
  return ioScope.future {
    ResourceBuilders.Resources.builder()
      .setVersion("1")
      .build()
  }
}

android:permission="com.google.android.wearable.permission.BIND_TILE_PROVIDER"

<intent-filter>
  <action android:name="androidx.wear.tiles.action.BIND_TILE_PROVIDER" />
</intent-filter>

class DebugActivity : ComponentActivity() {

  private lateinit var tileClient: TileClient

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_debug)

    val rootLayout = findViewById<FrameLayout>(R.id.container)

    tileClient = TileClient(
      context = this,
      component = ComponentName(this, WaterService::class.java),
      parentView = rootLayout
    )
    tileClient.connect()
  }

  override fun onDestroy() {
    super.onDestroy()
    tileClient.close()
  }

}

<FrameLayout android:id="@+id/container"
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"/>

<uses-feature android:name="android.hardware.type.watch" />