Android8.0行为变更之Notification



public sendNotification(Intent intent, String title, String message,
                            int requestCode, int backgroundIcon) {
         //用于通知用户发生的事件的类。这就是告诉用户后台发生了什么的方法。   
         NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
         //NotificationCompat对象的Builder类。允许更轻松地控制所有标志,以及帮助构建典型的通知布局   
         NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(context);
        //区分不同api
        if (Build.VERSION.SDK_INT >= 26) {
            //渠道id
            channelId = "wear";
            //渠道名字
            channelName = "wearNotification";
            //创建渠道
            createNotificationChannel(channelId, channelName, NotificationManager.IMPORTANCE_DEFAULT);
            notificationBuilder = new NotificationCompat.Builder(context, channelId);
        }
        notificationBuilder.setSmallIcon(backgroundIcon)//设置图标
                .setContentTitle(title)//设置标题
                .setContentText(message) //设置显示内容
                .setAutoCancel(true) //是否取消
                .setContentIntent(viewPendingIntent);//intent

        notificationManager = NotificationManagerCompat.from(context);
        //发送通知
        notificationManager
                .notify(requestCode, notificationBuilder.build());

    }

    /**
     * 创建渠道
     */
    @TargetApi(Build.VERSION_CODES.O)
    private void createNotificationChannel(String channelId, String channelName, int importance) {
        NotificationChannel channel = new NotificationChannel(channelId, channelName, importance);
        notificationManager.createNotificationChannel(channel);
    }

 

 

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