<activity
   android:name=".BubbleActivity"
   android:theme="@style/AppTheme.NoActionBar"
   android:label="@string/title_activity_bubble"
   android:allowEmbedded="true"
   android:documentLaunchMode="always"
   android:resizeableActivity="true"
  />

// 创建气泡intent
  Intent target = new Intent(mContext, BubbleActivity.class);
  PendingIntent bubbleIntent =
    PendingIntent.getActivity(mContext, 0, target, 0 /* flags */);
 
  // 创建气泡元数据
  Notification.BubbleMetadata bubbleData =
    new Notification.BubbleMetadata.Builder()
      .setDesiredHeight(600)
      // Note: although you can set the icon is not displayed in Q Beta 2
      .setIcon(Icon.createWithResource(context, R.drawable.icon))
      .setIntent(bubbleIntent)
      .build();
 
  // 创建通知
  Person chatBot = new Person.Builder()
      .setBot(true)
      .setName("BubbleBot")
      .setImportant(true)
      .build();
 
  Notification.Builder builder =
    new Notification.Builder(mContext, CHANNEL_ID)
      .setContentIntent(contentIntent)
      .setSmallIcon(smallIcon)
      .setBubbleMetadata(bubbleData);

Notification.BubbleMetadata bubbleData =
        new Notification.BubbleMetadata.Builder()
            .setDesiredHeight(600)
            .setIntent(bubbleIntent)
            .setAutoExpandBubble(true)
            .setSuppressInitialNotification(true)
            .build();

val bubbleMetadata = Notification.BubbleMetadata.Builder()
    .setDesiredHeight(600)
    .setIntent(bubbleIntent)
    .setAutoExpandBubble(true)
    .setSuppressInitialNotification(true)
    .build()