public RingerSwitchObserver(Context context) {
mContext = context;
ThemeUtils.registerThemeChangeReceiver(
context,
new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
mUiContext = null;
}
});
mHandler = new Handler();
mVolumeChangeUiRunnable =
new Runnable() {
@Override
public void run() {
getVolumePanel()
.postVolumeChanged(
AudioManager.STREAM_RING,
AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_VIBRATE);
}
};
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "RingerSwitchObserver");
mWakeLock.setReferenceCounted(false);
startObserving(RINGER_SWITCH_UEVENT_MATCH);
init(); // set initial status
}
private final synchronized VolumePanel getVolumePanel() {
if (mUiContext == null || mVolumePanel == null) {
if (mUiContext == null) {
mUiContext = ThemeUtils.createUiContext(mContext);
}
final Context context = mUiContext != null ? mUiContext : mContext;
mVolumePanel = new VolumePanel(mContext, (AudioService) mAudioService);
}
return mVolumePanel;
}