Android 利用广播监听usb连接状态(变化情况)
废话不多说了,直接给大家贴代码了,具体代码如下所示:
packagecom.lgs.test.testcode.receiver; importandroid.content.BroadcastReceiver; importandroid.content.Context; importandroid.content.Intent; importandroid.content.IntentFilter; importandroid.widget.Toast; /** *CreatedbyAdministratoron2017/6/26. */ publicclassUsbConnect{ privatefinalstaticStringACTION="android.hardware.usb.action.USB_STATE"; publicvoidstart(Contextcontext){ IntentFilterfilter=newIntentFilter(); filter.addAction(ACTION); context.registerReceiver(usBroadcastReceiver,filter); } BroadcastReceiverusBroadcastReceiver=newBroadcastReceiver(){ @Override publicvoidonReceive(Contextcontext,Intentintent){ Stringaction=intent.getAction(); Toast.makeText(context,"aciton="+action,Toast.LENGTH_SHORT).show(); if(action.equals(ACTION)){ booleanconnected=intent.getExtras().getBoolean("connected"); Toast.makeText(context,"aciton="+connected,Toast.LENGTH_SHORT).show(); if(connected){ }else{ } } } }; }
以上所述是小编给大家介绍的Android利用广播监听usb连接状态,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对毛票票网站的支持!