SwipeDetectorPrefsFragment.java 文件源码

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.swipe_detector_prefs);

    mDetectorHeightPref = (SliderPreference) findPreference(Keys.Launch.SWIPE_DETECTOR_SIZE_1);
    mDetectorWidthPref = (SliderPreference) findPreference(Keys.Launch.SWIPE_DETECTOR_SIZE_2);

    findPreference("dimens_swipe_detector_align").setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference preference, Object newValue) {
            if("MIDDLE".equals(newValue)) {
                mDetectorWidthPref.setTitle(R.string.swipe_detector_width_pref);
                mDetectorHeightPref.setTitle(R.string.swipe_detector_height_pref);
            } else {
                mDetectorWidthPref.setTitle(R.string.swipe_detector_height_pref);
                mDetectorHeightPref.setTitle(R.string.swipe_detector_width_pref);
            }
            return true;
        }
    });
}