Snippets for /training/wearables/tiles/dynamic (#695)

Author: ithinkihaveacat

wear/src/main/AndroidManifest.xml

@@ -345,6 +345,21 @@
             <!-- [END android_wear_complication_intent_filter] -->
         </activity>
 
+        <service
+            android:name=".snippets.m3.tile.StateTile"
+            android:label="@string/tile_label"
+            android:description="@string/tile_description"
+            android:icon="@mipmap/ic_launcher"
+            android:exported="true"
+            android:permission="com.google.android.wearable.permission.BIND_TILE_PROVIDER">
+            <intent-filter>
+                <action android:name="androidx.wear.tiles.action.BIND_TILE_PROVIDER" />
+            </intent-filter>
+
+            <meta-data android:name="androidx.wear.tiles.PREVIEW"
+                android:resource="@drawable/tile_preview" />
+        </service>
+
     </application>
 
 </manifest>

wear/src/main/java/com/example/wear/snippets/m3/tile/Tile.kt

@@ -17,16 +17,29 @@
 package com.example.wear.snippets.m3.tile
 
 import android.content.Context
+import androidx.wear.protolayout.LayoutElementBuilders
+import androidx.wear.protolayout.LayoutElementBuilders.Column
 import androidx.wear.protolayout.ResourceBuilders.Resources
+import androidx.wear.protolayout.StateBuilders
 import androidx.wear.protolayout.TimelineBuilders.Timeline
+import androidx.wear.protolayout.expression.DynamicBuilders
+import androidx.wear.protolayout.expression.dynamicDataMapOf
+import androidx.wear.protolayout.expression.intAppDataKey
+import androidx.wear.protolayout.expression.mapTo
+import androidx.wear.protolayout.expression.stringAppDataKey
 import androidx.wear.protolayout.material3.MaterialScope
 import androidx.wear.protolayout.material3.Typography.BODY_LARGE
+import androidx.wear.protolayout.material3.Typography.BODY_MEDIUM
 import androidx.wear.protolayout.material3.button
 import androidx.wear.protolayout.material3.buttonGroup
 import androidx.wear.protolayout.material3.materialScope
 import androidx.wear.protolayout.material3.primaryLayout
 import androidx.wear.protolayout.material3.text
+import androidx.wear.protolayout.material3.textButton
 import androidx.wear.protolayout.modifiers.clickable
+import androidx.wear.protolayout.modifiers.loadAction
+import androidx.wear.protolayout.types.asLayoutConstraint
+import androidx.wear.protolayout.types.asLayoutString
 import androidx.wear.protolayout.types.layoutString
 import androidx.wear.tiles.RequestBuilders
 import androidx.wear.tiles.RequestBuilders.ResourcesRequest
@@ -37,6 +50,7 @@ import androidx.wear.tiles.tooling.preview.TilePreviewData
 import androidx.wear.tiles.tooling.preview.TilePreviewHelper
 import androidx.wear.tooling.preview.devices.WearDevices
 import com.google.common.util.concurrent.Futures
+import com.google.common.util.concurrent.ListenableFuture
 
 private const val RESOURCES_VERSION = "1"
 
@@ -139,3 +153,88 @@ fun smallPreview(context: Context) = TilePreviewData {
         .build()
 }
 // [END android_wear_tile_preview]
+
+class StateTile : TileService() {
+    // [START android_wear_tile_dynamic_ontilerequest]
+    override fun onTileRequest(
+        requestParams: RequestBuilders.TileRequest
+    ): ListenableFuture<Tile?> {
+        // If the tile hasn't had any state set yet, use the default values
+        val state =
+            if (requestParams.currentState.keyToValueMapping.isNotEmpty())
+                requestParams.currentState
+            else
+                StateBuilders.State.Builder()
+                    .setStateMap(
+                        dynamicDataMapOf(
+                            KEY_WATER_INTAKE mapTo 200,
+                            KEY_NOTE mapTo "Good"
+                        )
+                    )
+                    .build()
+
+        return Futures.immediateFuture(
+            Tile.Builder()
+                // Set resources, timeline, and other tile properties.
+                // [START_EXCLUDE silent]
+                .setTileTimeline(
+                    Timeline.fromLayoutElement(
+                        materialScope(this, requestParams.deviceConfiguration) {
+                            tileLayout()
+                        }
+                    )
+                )
+                // [END_EXCLUDE]
+                .setState(state)
+                .build()
+        )
+    }
+    // [END android_wear_tile_dynamic_ontilerequest]
+
+    fun MaterialScope.tileLayout(): LayoutElementBuilders.LayoutElement {
+        return primaryLayout(
+            mainSlot = {
+                // [START android_wear_tile_dynamic_showdata]
+                val waterIntakeValue =
+                    DynamicBuilders.DynamicInt32.from(KEY_WATER_INTAKE)
+                        // [END android_wear_tile_dynamic_showdata]
+                        .format()
+                        .asLayoutString("0", "000".asLayoutConstraint())
+                val noteValue =
+                    DynamicBuilders.DynamicString.from(KEY_NOTE)
+                        .asLayoutString(
+                            "",
+                            "Note about day".asLayoutConstraint()
+                        )
+
+                // [START android_wear_tile_dynamic_loadaction]
+                val loadAction =
+                    loadAction(
+                        dynamicDataMapOf(
+                            KEY_WATER_INTAKE mapTo 400,
+                            KEY_NOTE mapTo "Outstanding"
+                        )
+                    )
+                // [END android_wear_tile_dynamic_loadaction]
+
+                Column.Builder()
+                    .addContent(text(waterIntakeValue, typography = BODY_LARGE))
+                    .addContent(text(noteValue, typography = BODY_MEDIUM))
+                    .addContent(
+                        textButton(
+                            onClick = clickable(loadAction),
+                            labelContent = { text("Load".layoutString) }
+                        )
+                    )
+                    .build()
+            }
+        )
+    }
+
+    // [START android_wear_tile_dynamic_companion]
+    companion object {
+        val KEY_WATER_INTAKE = intAppDataKey("key_water_intake")
+        val KEY_NOTE = stringAppDataKey("key_note")
+    }
+    // [END android_wear_tile_dynamic_companion]
+}