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Add example of Lottie animation #572

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Merged
merged 4 commits into from
Aug 1, 2025
Merged

Add example of Lottie animation #572

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795e1c5
Add example of Lottie animation
ithinkihaveacat Jul 30, 2025
2d72e33
Spotless changes
ithinkihaveacat Jul 30, 2025
c1f87cf
Merge branch 'main' into add-lottie-animation
ithinkihaveacat Jul 31, 2025
4dff6dc
Allow resources to be cached
ithinkihaveacat Jul 31, 2025
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15 changes: 15 additions & 0 deletions wear/src/main/AndroidManifest.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,21 @@
android:resource="@drawable/tile_preview" />
</service>

<service
android:name=".snippets.tile.LottieAnimation"
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>

<activity
android:name=".snippets.alwayson.AlwaysOnActivity"
android:label="0 Stopwatch"
Expand Down
52 changes: 52 additions & 0 deletions wear/src/main/java/com/example/wear/snippets/tile/Animations.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,10 @@ import androidx.wear.protolayout.ModifiersBuilders
import androidx.wear.protolayout.ModifiersBuilders.AnimatedVisibility
import androidx.wear.protolayout.ModifiersBuilders.DefaultContentTransitions
import androidx.wear.protolayout.ModifiersBuilders.Modifiers
import androidx.wear.protolayout.ResourceBuilders
import androidx.wear.protolayout.ResourceBuilders.Resources
import androidx.wear.protolayout.TimelineBuilders.Timeline
import androidx.wear.protolayout.TriggerBuilders.createOnVisibleTrigger
import androidx.wear.protolayout.TypeBuilders.FloatProp
import androidx.wear.protolayout.expression.AnimationParameterBuilders.AnimationParameters
import androidx.wear.protolayout.expression.AnimationParameterBuilders.AnimationSpec
Expand All @@ -38,11 +41,15 @@ import androidx.wear.protolayout.material.CircularProgressIndicator
import androidx.wear.protolayout.material.Text
import androidx.wear.protolayout.material.layouts.EdgeContentLayout
import androidx.wear.tiles.RequestBuilders
import androidx.wear.tiles.RequestBuilders.ResourcesRequest
import androidx.wear.tiles.TileBuilders.Tile
import androidx.wear.tiles.TileService
import com.example.wear.R
import com.google.common.util.concurrent.Futures
import com.google.common.util.concurrent.ListenableFuture

// In a real implementation, this needs to change whenever the resources
// change, to ensure the updated resources are loaded.
private const val RESOURCES_VERSION = "1"
private const val someTileText = "Hello"
private val deviceParameters = DeviceParametersBuilders.DeviceParameters.Builder().build()
Expand Down Expand Up @@ -310,3 +317,48 @@ class AnimationGeometricTranslation : TileService() {
// [END android_wear_tile_animations_geometric_translation]
}
}

// [START android_wear_tile_animations_lottie]
class LottieAnimation : TileService() {

val lottieResourceId = "lottie_animation"

override fun onTileRequest(requestParams: RequestBuilders.TileRequest): ListenableFuture<Tile> {

val layout =
LayoutElementBuilders.Image.Builder()
.setWidth(dp(150f))
.setHeight(dp(150f))
.setResourceId(lottieResourceId)
.build()

return Futures.immediateFuture(
Tile.Builder()
.setResourcesVersion(RESOURCES_VERSION)
.setTileTimeline(Timeline.fromLayoutElement(layout))
.build()
)
}

override fun onTileResourcesRequest(
requestParams: ResourcesRequest
): ListenableFuture<Resources> {

val lottieImage =
ResourceBuilders.ImageResource.Builder()
.setAndroidLottieResourceByResId(
ResourceBuilders.AndroidLottieResourceByResId.Builder(R.raw.lottie)
.setStartTrigger(createOnVisibleTrigger())
.build()
)
.build()

return Futures.immediateFuture(
Resources.Builder()
.setVersion(requestParams.version)
.addIdToImageMapping(lottieResourceId, lottieImage)
.build()
)
}
}
// [END android_wear_tile_animations_lottie]
240 changes: 240 additions & 0 deletions wear/src/main/res/raw/lottie.json
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@@ -0,0 +1,240 @@
{
"v": "5.12.2",
"fr": 29.9700012207031,
"ip": 0,
"op": 149.000006068894,
"w": 256,
"h": 256,
"nm": "TestLotties",
"ddd": 0,
"assets": [],
"layers": [
{
"ddd": 0,
"ind": 1,
"ty": 4,
"nm": "Shape Layer 1",
"sr": 1,
"ks": {
"o": {
"a": 0,
"k": 100,
"ix": 11
},
"r": {
"a": 0,
"k": 0,
"ix": 10
},
"p": {
"a": 0,
"k": [128, 128, 0],
"ix": 2,
"l": 2
},
"a": {
"a": 0,
"k": [0, 0, 0],
"ix": 1,
"l": 2
},
"s": {
"a": 0,
"k": [100, 100, 100],
"ix": 6,
"l": 2
}
},
"ao": 0,
"shapes": [
{
"ty": "gr",
"it": [
{
"ty": "rc",
"d": 1,
"s": {
"a": 0,
"k": [147.598, 101.668],
"ix": 2
},
"p": {
"a": 0,
"k": [0, 0],
"ix": 3
},
"r": {
"a": 0,
"k": 0,
"ix": 4
},
"nm": "Rectangle Path 1",
"mn": "ADBE Vector Shape - Rect",
"hd": false
},
{
"ty": "fl",
"c": {
"a": 0,
"k": [0.373262771906, 0.896561446844, 0.9078125, 1],
"ix": 4
},
"o": {
"a": 0,
"k": 100,
"ix": 5
},
"r": 1,
"bm": 0,
"nm": "Fill 1",
"mn": "ADBE Vector Graphic - Fill",
"hd": false
},
{
"ty": "tr",
"p": {
"a": 1,
"k": [
{
"i": {
"x": 0.833,
"y": 0.833
},
"o": {
"x": 0.167,
"y": 0.167
},
"t": 89,
"s": [-3.201, -3.166],
"to": [0, 0],
"ti": [0, 0]
},
{
"t": 118.000004806239,
"s": [-61.201, 57.834]
}
],
"ix": 2
},
"a": {
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"o": {
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"t": 60,
"s": [26, 10],
"to": [0, 0],
"ti": [0, 0]
},
{
"t": 89.0000036250443,
"s": [1, 45]
}
],
"ix": 1
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"s": {
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"k": [
{
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},
"o": {
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"y": [0.167, 0.167]
},
"t": 118,
"s": [57, 126]
},
{
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}
],
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{
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},
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},
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"s": [18]
},
{
"t": 60.0000024438501,
"s": [60]
}
],
"ix": 6
},
"o": {
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"k": [
{
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},
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"t": 0,
"s": [48]
},
{
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"s": [100]
}
],
"ix": 7
},
"sk": {
"a": 0,
"k": 0,
"ix": 4
},
"sa": {
"a": 0,
"k": 0,
"ix": 5
},
"nm": "Transform"
}
],
"nm": "Rectangle 1",
"np": 3,
"cix": 2,
"bm": 0,
"ix": 1,
"mn": "ADBE Vector Group",
"hd": false
}
],
"ip": 0,
"op": 900.000036657751,
"st": 0,
"ct": 1,
"bm": 0
}
],
"markers": [],
"props": {}
}