以下是一个在Android中实现推送消息在几秒后消失的代码示例:
NotificationUtils
:import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import android.support.v4.app.NotificationCompat;
public class NotificationUtils {
private static final int NOTIFICATION_ID = 1;
private static final int DELAY_MILLIS = 3000; // 3秒
public static void showNotification(Context context, String title, String message) {
NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "channel_id")
.setSmallIcon(R.drawable.ic_notification)
.setContentTitle(title)
.setContentText(message)
.setAutoCancel(true);
Notification notification = builder.build();
NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(NOTIFICATION_ID, notification);
// 注册一个延迟的任务,在指定时间后取消通知
new Handler(Looper.getMainLooper()).postDelayed(new Runnable() {
@Override
public void run() {
notificationManager.cancel(NOTIFICATION_ID);
}
}, DELAY_MILLIS);
}
}
NotificationUtils.showNotification()
方法来显示通知,例如在onMessageReceived()
方法中:@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
// 解析推送消息
String title = remoteMessage.getData().get("title");
String message = remoteMessage.getData().get("message");
// 显示通知
NotificationUtils.showNotification(getApplicationContext(), title, message);
}
请确保你已经创建了一个合适的通知渠道(channel_id)并在AndroidManifest.xml
文件中声明了相关权限和服务。