接收广播的最高优先级

@SuppressLint("NewApi")publicclassMainActivityextendsActivity{SmsReceivermyReceiver;Buttonbtn;@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);btn=(Button)findViewById(R.id.btn);btn.setOnClickListener(newO