Android发送通知支持安卓11

上代码

private final static String NOTIFICATION_CHANNEL_ID = "1001";
private final static String NOTIFICATION_CHANNEL_NAME = "Service";
private NotificationManager notificationManager;
private NotificationChannel notificationChannel;

Notification nof=getNotification("title","content");
notificationManager.notify(1124,nof);

private Notification getNotification(String title, String message) {

        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            notificationChannel = new NotificationChannel(
                    NOTIFICATION_CHANNEL_ID,
                    NOTIFICATION_CHANNEL_NAME,
                    NotificationManager.IMPORTANCE_HIGH
            );
            notificationChannel.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
            notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
            notificationManager.createNotificationChannel(notificationChannel);
        }

        //创建一个通知消息的构造器
        Notification.Builder builder = new Notification.Builder(this);
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            //Android8.0开始必须给每个通知分配对应的渠道
            builder = new Notification.Builder(this, NOTIFICATION_CHANNEL_ID);
        }
        builder.setAutoCancel(false)//设置是否允许自动清除
                .setSmallIcon(R.drawable.ic_launcher_foreground)//设置状态栏里的小图标
                .setWhen(System.currentTimeMillis())//设置推送时间，格式为"小时：分钟"
                .setContentTitle(title)//设置通知栏里面的标题文本
                .setContentText(message);//设置通知栏里面的内容文本
        //根据消息构造器创建一个通知对象
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
            Notification notify = builder.build();
            return notify;
        }

        return null;
    }

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