請參閱下面的代碼:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
IntentFilter intentFilter = new IntentFilter("android.intent.action.SERVICE_STATE");
BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
Log.d("AirplaneMode", "Service state changed");
Toast.makeText(getApplicationContext(), "Service state changed", Toast.LENGTH_LONG).show();
boolean isEnabled = isAirplaneModeOn(context);
/* setSettings(context, isEnabled?1:0);
Intent intent_mode = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
intent_mode.putExtra("state", !isEnabled);
context.sendBroadcast(intent_mode);*/
if(isEnabled==true)
{ setSettings(context, isEnabled?1:0);
Toast.makeText(getApplicationContext(), "Flight mode on", Toast.LENGTH_LONG).show();
Settings.System.putInt(getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
Intent newIntent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
newIntent.putExtra("state", false);
sendBroadcast(newIntent);
}
else
{ setSettings(context, isEnabled?1:0);
Toast.makeText(getApplicationContext(), "Flight mode off", Toast.LENGTH_LONG).show();
}
}
@SuppressLint("NewApi")
private void setSettings(Context context, int value) {
// TODO Auto-generated method stub
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
Settings.System.putInt(
context.getContentResolver(),
Settings.System.AIRPLANE_MODE_ON, value);
} else {
Settings.Global.putInt(
context.getContentResolver(),
Settings.Global.AIRPLANE_MODE_ON, value);
}
}
@SuppressLint("NewApi")
public boolean isAirplaneModeOn(Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
return Settings.System.getInt(context.getContentResolver(),
Settings.System.AIRPLANE_MODE_ON, 0) != 0;
} else {
return Settings.Global.getInt(context.getContentResolver(),
Settings.Global.AIRPLANE_MODE_ON, 0) != 0;
}
}
};
registerReceiver(receiver, intentFilter);
}
//permissions needed:
// //
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