怎么通过接受服务器传来的消息，触发客户端模拟器的振动

Question

 System.out.println("rece_msg:"+str);//打印出接收到的信息
                            if(str=="NO"||str=="WM"||str=="MM"){
                                 Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
                                 long[] pattern = new long[] { 100, 10, 100, 1000 };  
                                         vibrator.vibrate(pattern, -1);  

                             }

//不能通过调用以上代码实现振动

Answer 1

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