Android“hello world”推送通知示例[关闭]

Android推送通知示例：实现“hello world”

gradle
implementation 'com.google.firebase:firebase-messaging:20.2.4'

java
public class MyFirebaseMessagingService extends FirebaseMessagingService {
    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        super.onMessageReceived(remoteMessage);
        // 获取推送通知的标题和内容
        String title = remoteMessage.getNotification().getTitle();
        String message = remoteMessage.getNotification().getBody();
        // 在通知栏上显示推送通知
        NotificationCompat.Builder builder = new NotificationCompat.Builder(this, "channel_id")
                .setSmallIcon(R.mipmap.ic_launcher)
                .setContentTitle(title)
                .setContentText(message)
                .setPriority(NotificationCompat.PRIORITY_DEFAULT);
        NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
        notificationManager.notify(0, builder.build());
    }
}

xml
    android:name=".MyFirebaseMessagingService"
    android:exported="false">
    
        
    
    android:name="com.google.firebase.messaging.default_notification_channel_id"
    android:value="@string/default_notification_channel_id" />