Service Broadcast simple music playing Function

There are two imagebutton types on the activity, which respectively control the playback, pause, and stop.

@ Override
Public void oncreate (bundle savedinstancestate ){
Super. oncreate (savedinstancestate );
Setcontentview (R. layout. Main );
Start = (imagebutton) findviewbyid (R. Id. Play );
Stop = (imagebutton) findviewbyid (R. Id. Stop );
Start. setonclicklistener (this );
Stop. setonclicklistener (this );
Activitycycler = new activitycycler (); // broadcast receiver, mainly responsible for changing the playback/pause button icon
Intentfilter Filter = New intentfilter ();
Filter. addaction (" Com. Sunny. Update ");
Registerreceiver (activityreceiver, filter );
Intent intent = new intent (this, myservice. Class );// Start the service. The service is used to control the playing of music and will not stop because the activity exits.
Startservice (intent );
}

Activitycycler is used as follows to convert the playback/pause button icons.Com. Sunny. UpdateIntent:

Public class Activitycycler Extends Broadcastreceiver {
@ Override
Public void onreceive (context, intent ){
// Todo auto-generated method stub
Int update = intent. getintextra ("Update",-1 );
Switch (update ){
Case 1:
Status = 1;
Break;
Case 2:
Start. setimageresource (R. drawable. Pause );
Status = 2;
Break;
Case 3:
Start. setimageresource (R. drawable. Play );
Status = 3;
Break;
}
}
}

It is the registration time of two buttons, and the broadcast control music playing with the sending action com. Sunny. Control is received by the broadcast receiver in the service:

Public void onclick (view v ){
// Todo auto-generated method stub
Intent intent =New intent ("com. Sunny. control" );
Switch (V. GETID ()){
Case R. Id. Play :
Intent. putextra ("action", 1 );
Sendbroadcast (intent );
Break;
Case R. Id. Stop:
Intent. putextra ("action", 2 );
Sendbroadcast (intent );
Break;
}
}

In myservice, The oncreate () method at startup is as follows:

Public void oncreate (){
// Todo auto-generated method stub
Status = 1; // The Current Status. 1 has no sound. 2 is playing. 3 is paused.
Servicereceiver = newServicereceiver();//Broadcast receiver to control music playback
Intentfilter filter = new intentfilter ();
Filter. addaction ("Com. Sunny. Control");
Registerreceiver (servicereceiver, filter );
Super. oncreate ();
}

The broadcast receiver servicereceiver is as follows:

Class servicereceiver extends broadcastreceiver {

@ Override
Public void onreceive (context, intent ){
// Todo auto-generated method stub
IntAction= Intent. getintextra ("action",-1); // filter intent actionCom. Sunny. Control broadcast, controlled according to the Action Parameter
Switch ( Action ){
Case 1:
If (status = 1) {// In the playing status
MP = mediaplayer. Create (context, R. Raw. intro );
Status = 2;
Intent sendintent = new intent ("com. Sunny. Update ");
Sendintent. putextra ("Update", 2 );
Sendbroadcast (sendintent );
MP. Start ();
}
Else if (status = 2) {// In the paused status
MP. Pause ();
Status = 3;
Intent sendintent = new intent ("com. Sunny. Update ");
Sendintent. putextra ("Update", 3 );
Sendbroadcast (sendintent );
} Else if (status = 3) {// play the video again after the pause
MP. Start ();
Status = 2;
Intent sendintent = new intent ("com. Sunny. Update ");
Sendintent. putextra ("Update", 2 );
Sendbroadcast (sendintent );

}
Break;
Case 2:
If (status = 2 | status = 3 ){
MP. Stop ();
Status = 1;
Intent sendintent = new intent ("com. Sunny. Update ");
Sendintent. putextra ("Update", 1 );
Sendbroadcast (sendintent );
}
}
}

}