안 드 로 이 드 이어폰 삽입 방법 검사

 
<receiver android:name=".HeadsetPlugReceiver"> 
<intent-filter> 
<action android:name="android.intent.action.HEADSET_PLUG" android:enabled="true"></action> 
</intent-filter> 
</receiver> 

 
public class HeadsetPlugReceiver extends BroadcastReceiver { 
private static final String TAG = "HeadsetPlugReceiver"; 
@Override 
public void onReceive(Context context, Intent intent) { 
if (intent.hasExtra("state")){ 
if (intent.getIntExtra("state", 0) == 0){ 
Toast.makeText(context, "headset not connected", Toast.LENGTH_LONG).show(); 
} 
else if (intent.getIntExtra("state", 0) == 1){ 
Toast.makeText(context, "headset connected", Toast.LENGTH_LONG).show(); 
} 
} 
} 
} 

 
public class TestHeadSetPlugActivity extends Activity { 
private HeadsetPlugReceiver headsetPlugReceiver; 
/** Called when the activity is first created. */ 
@Override 
public void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 
setContentView(R.layout.main); 
/* register receiver */ 
registerHeadsetPlugReceiver(); 
} 
private void registerHeadsetPlugReceiver() { 
headsetPlugReceiver = new HeadsetPlugReceiver(); 
IntentFilter intentFilter = new IntentFilter(); 
intentFilter.addAction("android.intent.action.HEADSET_PLUG"); 
registerReceiver(headsetPlugReceiver, intentFilter); 
} 
@Override 
public void onDestroy() { 
unregisterReceiver(headsetPlugReceiver); 
super.onDestroy(); 
} 
}