import com.jeremyfeinstein.slidingmenu.example.fragments.FragmentChangeActivity; //导入依赖的package包/类
@Override
public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference pref) {
	Class<?> cls = null;
	String title = pref.getTitle().toString();
	if (title.equals(getString(R.string.properties))) {
		cls = PropertiesActivity.class;	
	} else if (title.equals(getString(R.string.attach))) {
		cls = AttachExample.class;
	} else if (title.equals(getString(R.string.changing_fragments))) {
		cls = FragmentChangeActivity.class;
	} else if (title.equals(getString(R.string.left_and_right))) {
		cls = LeftAndRightActivity.class;
	} else if (title.equals(getString(R.string.responsive_ui))) {
		cls = ResponsiveUIActivity.class;
	} else if (title.equals(getString(R.string.viewpager))) {
		cls = ViewPagerActivity.class;
	} else if (title.equals(getString(R.string.title_bar_slide))) {
		cls = SlidingTitleBar.class;
	} else if (title.equals(getString(R.string.title_bar_content))) {
		cls = SlidingContent.class;
	} else if (title.equals(getString(R.string.anim_zoom))) {
		cls = CustomZoomAnimation.class;
	} else if (title.equals(getString(R.string.anim_scale))) {
		cls = CustomScaleAnimation.class;
	} else if (title.equals(getString(R.string.anim_slide))) {
		cls = CustomSlideAnimation.class;
	}
	Intent intent = new Intent(this, cls);
	startActivity(intent);
	return true;
}