Add Snippets for notifications and picture-in-picture

compose/snippets/build.gradle.kts

@@ -76,6 +76,7 @@ android {
 
 dependencies {
     implementation(libs.androidx.work.runtime.ktx)
+    implementation(libs.androidx.media3.session)
     val composeBom = platform(libs.androidx.compose.bom)
     implementation(composeBom)
     androidTestImplementation(composeBom)

compose/snippets/src/main/java/com/example/compose/snippets/notifications/AndroidManifest.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2026 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          https://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- [START android_manifest_config] -->
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+    <application>
+    </application>
+    <!-- [END android_manifest_config] -->
+</manifest>

compose/snippets/src/main/java/com/example/compose/snippets/notifications/NotificationsSnippets.kt

@@ -16,12 +16,32 @@
 
 package com.example.compose.snippets.notifications
 
+import android.Manifest
+import android.app.NotificationChannelGroup
+import android.app.NotificationManager
+import android.app.PendingIntent
 import android.content.Context
 import android.content.Intent
-import android.app.PendingIntent;
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.drawable.Icon
+import android.os.Build
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.annotation.OptIn
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
 import androidx.core.app.NotificationCompat
 import androidx.core.app.PendingIntentCompat
+import androidx.core.app.Person
+import androidx.core.content.ContextCompat
+import androidx.media3.common.util.UnstableApi
+import androidx.media3.exoplayer.ExoPlayer
+import androidx.media3.session.MediaSession
+import androidx.media3.session.MediaStyleNotificationHelper
+import com.example.compose.snippets.R
+import com.example.compose.snippets.touchinput.Button
 
 @Composable
 fun NotificationSnippets(context: Context) {
@@ -39,4 +59,172 @@ fun NotificationSnippets(context: Context) {
         .setAuthenticationRequired(true)
         .build()
     // [END android_notification_authenticated_action]
-}
+}
+
+@Composable
+fun NotificationSnippetRequestPostPermission() {
+    // [START android_notification_request_post_permission]
+    val context = LocalContext.current
+    val permissionLauncher = rememberLauncherForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) { isGranted ->
+        if (isGranted) {
+            // Permission granted, you can now send notifications.
+        } else {
+            // Permission denied, handle accordingly.
+        }
+    }
+
+    // In the UI ...
+    Button(onClick = {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            permissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS)
+        }
+    }) {
+        Text("Enable Notifications")
+    }
+    // [END android_notification_request_post_permission]
+}
+
+fun deleteNotificationChannelId(context: Context, channelId: String) {
+    // Side effects like deleting a channel should be triggered by events or wrapped in a
+    // LaunchedEffect to avoid executing them on every recomposition. This is only
+    // for demonstrative purposes
+    // [START android_notification_delete_channel]
+    val notificationManager =
+        ContextCompat.getSystemService<NotificationManager>(context, NotificationManager::class.java)
+    notificationManager?.deleteNotificationChannel(channelId)
+    // [END android_notification_delete_channel]
+}
+
+// [START android_notification_create_group_channel]
+fun createNotificationChannelGroup(context: Context, groupId: String, groupName: String) {
+    val notificationManager =
+        ContextCompat.getSystemService(context, NotificationManager::class.java)
+    notificationManager?.createNotificationChannelGroup(NotificationChannelGroup(groupId, groupName))
+}
+// [END android_notification_create_group_channel]
+
+@OptIn(UnstableApi::class)
+fun notificationStyles(context: Context) {
+    val bitmapImage = BitmapFactory.decodeResource(
+        context.resources,
+        R.drawable.dog
+    )
+    val CHANNEL_ID = "channelId"
+    val someVeryLongMessage = "This is a very long message"
+    // [START android_notification_big_picture_style]
+    var notification =
+        NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(com.example.compose.snippets.R.drawable.ic_logo)
+            .setContentTitle("Title")
+            .setContentText("Content text")
+            .setStyle(
+                NotificationCompat.BigPictureStyle()
+                    .bigPicture(bitmapImage)
+            )
+            .build()
+    // [END android_notification_big_picture_style]
+
+    // [START android_notification_big_picture_style_thumbnail]
+    notification = NotificationCompat.Builder(context, CHANNEL_ID)
+        .setSmallIcon(R.drawable.ic_logo)
+        .setContentTitle("Title")
+        .setContentText("Content text")
+        .setLargeIcon(Icon.createWithResource(context, R.drawable.dog))
+        .setStyle(
+            NotificationCompat.BigPictureStyle()
+                .bigPicture(bitmapImage)
+                .bigLargeIcon(null as Bitmap?)
+        )
+        .build()
+    // [END android_notification_big_picture_style_thumbnail]
+
+    // [START android_notification_bigtext_style]
+    notification = NotificationCompat.Builder(context, CHANNEL_ID)
+        .setSmallIcon(R.drawable.ic_logo)
+        .setContentTitle("Sender name")
+        .setContentText("Email subject")
+        .setLargeIcon(Icon.createWithResource(context, R.drawable.dog))
+        .setStyle(
+            NotificationCompat.BigTextStyle()
+                .bigText(someVeryLongMessage)
+        )
+        .build()
+    // [END android_notification_bigtext_style]
+
+    // [START android_notification_inbox_style]
+    notification = NotificationCompat.Builder(context, CHANNEL_ID)
+        .setSmallIcon(R.drawable.mail)
+        .setContentTitle("5 New mails from Frank")
+        .setContentText("Check them out")
+        .setLargeIcon(bitmapImage)
+        .setStyle(
+            NotificationCompat.InboxStyle()
+                .addLine("Re: Planning")
+                .addLine("Delivery on its way")
+                .addLine("Follow-up")
+        )
+        .build()
+    // [END android_notification_inbox_style]
+
+    // [START android_notification_messaging_style]
+    val message1 = NotificationCompat.MessagingStyle.Message(
+        messages[0].text,
+        messages[0].time,
+        messages[0].sender
+    )
+    val message2 = NotificationCompat.MessagingStyle.Message(
+        messages[1].text,
+        messages[1].time,
+        messages[1].sender
+    )
+    notification = NotificationCompat.Builder(context, CHANNEL_ID)
+        .setSmallIcon(R.drawable.ic_logo)
+        .setStyle(
+            NotificationCompat.MessagingStyle(Person.Builder().setName("Me").build())
+                .addMessage(message1)
+                .addMessage(message2)
+        )
+        .build()
+    // [END android_notification_messaging_style]
+
+    val player = ExoPlayer.Builder(context).build()
+    val mediaSession = MediaSession.Builder(context, player).build()
+    // [START android_notification_media_style]
+    notification = NotificationCompat.Builder(context, CHANNEL_ID)
+        // Show controls on lock screen even when user hides sensitive content.
+        .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+        .setSmallIcon(com.example.compose.snippets.R.drawable.play)
+        // Add media control buttons that invoke intents in your media service
+        .addAction(R.drawable.previous, "Previous", null /* Add valid intent */) // #0
+        .addAction(R.drawable.pause, "Pause", null /* Add valid intent */) // #1
+        .addAction(R.drawable.next, "Next", null /* Add valid intent */) // #2
+        // Apply the media style template.
+        .setStyle(MediaStyleNotificationHelper.MediaStyle(mediaSession)
+            .setShowActionsInCompactView(1 /* #1: pause button */))
+        .setContentTitle("Wonderful music")
+        .setContentText("My Awesome Band")
+        .setLargeIcon(bitmapImage)
+        .build()
+    // [END android_notification_media_style]
+}
+
+data class Message(
+    val text: String,
+    val time: Long,
+    val sender: Person
+)
+
+val messages = listOf(
+    Message(
+        "Check this out!",
+        System.currentTimeMillis(),
+        Person.Builder().setName("Frank").build()
+    ),
+    Message(
+        "Planning for the weekend?",
+        System.currentTimeMillis(),
+        Person.Builder().setName("Frank").build()
+    )
+)

compose/snippets/src/main/java/com/example/compose/snippets/pictureinpicture/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2026 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          https://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application>
+        <!-- [START android_manifest_config] -->
+        <activity
+            android:name="com.example.compose.snippets.pictureinpicture.NavOrVideoCallJpipActivity"
+            android:configChanges="screenSize|smallestScreenSize|screenLayout|orientation"
+            android:supportsPictureInPicture="true" />
+        <!-- [END android_manifest_config] -->
+    </application>
+</manifest>

compose/snippets/src/main/java/com/example/compose/snippets/pictureinpicture/PictureInPictureSnippets.kt

@@ -404,4 +404,3 @@ fun EnterPiPPre12(shouldEnterPipMode: Boolean) {
     }
     // [END android_compose_pip_pre12_should_enter_pip]
 }
-

compose/snippets/src/main/res/drawable/mail.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2026 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          https://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M168,768Q138.3,768 117.15,746.84Q96,725.68 96,695.96L96,263.72Q96,234 117.15,213Q138.3,192 168,192L792,192Q821.7,192 842.85,213.16Q864,234.32 864,264.04L864,696.28Q864,726 842.85,747Q821.7,768 792,768L168,768ZM480,528L168,349L168,696Q168,696 168,696Q168,696 168,696L792,696Q792,696 792,696Q792,696 792,696L792,349L480,528ZM480,443L792,264L168,264L480,443ZM168,349L168,264L168,264L168,349L168,696Q168,696 168,696Q168,696 168,696L168,696Q168,696 168,696Q168,696 168,696L168,349Z"/>
+</vector>

compose/snippets/src/main/res/drawable/next.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2026 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          https://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M648,720L648,240L720,240L720,720L648,720ZM240,696L240,264L576,480L240,696ZM312,480L312,480L312,480ZM312,564L443,480L312,396L312,564Z"/>
+</vector>

compose/snippets/src/main/res/drawable/pause.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2026 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          https://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M528,768L528,192L768,192L768,768L528,768ZM192,768L192,192L432,192L432,768L192,768ZM600,696L696,696L696,264L600,264L600,696ZM264,696L360,696L360,264L264,264L264,696ZM264,264L264,264L264,696L264,696L264,264ZM600,264L600,264L600,696L600,696L600,264Z"/>
+</vector>

compose/snippets/src/main/res/drawable/play.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2026 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          https://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M336,744L336,216L744,480L336,744ZM409,479L409,479L409,479ZM408,612L612,480L408,348L408,612Z"/>
+</vector>