Launcher.java 文件源码

@Override
    public void onDestroy() {
        super.onDestroy();

        Log.d(TAG,"launcherseq,onDestroy");

        try {
            mAppWidgetHost.stopListening();
        } catch (NullPointerException ex) {
            Log.w(TAG,
                    "problem while stopping AppWidgetHost during Launcher destruction",
                    ex);
        }

        TextKeyListener.getInstance().release();

        mThemeMgr.stopListener();
        mModel.stopLoader();

        mPhoneMonitor.removeAllCallback();
        mMssMonitor.removeAllCallback();

        unbindDesktopItems();

        getSharedPreferences(SettingUtils.LAUNCHER_SETTINGS_NAME, 0)
                .unregisterOnSharedPreferenceChangeListener(mSPChangeListener);

        getContentResolver().unregisterContentObserver(mWidgetObserver);

        unregisterReceiver(mCloseSystemDialogsReceiver);
        unregisterReceiver(mScreenConfigReceiver);
//      unregisterReceiver(mSCReceiver);
    }