SettingsFragment.java 文件源码

@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
                                     Preference preference)
{
    boolean result =
        super.onPreferenceTreeClick(preferenceScreen, preference);

    // Set home as up
    if (preference instanceof PreferenceScreen)
    {
        Dialog dialog = ((PreferenceScreen)preference).getDialog();
        ActionBar actionBar = dialog.getActionBar();
        actionBar.setDisplayHomeAsUpEnabled(false);
    }

    return result;
}