Java 类android.support.v7.preference.PreferenceDialogFragmentCompat 实例源码

public static RingtonePreferenceDialogFragmentCompat newInstance(String key) {
    RingtonePreferenceDialogFragmentCompat fragment = new RingtonePreferenceDialogFragmentCompat();
    Bundle b = new Bundle(1);
    b.putString(PreferenceDialogFragmentCompat.ARG_KEY, key);
    fragment.setArguments(b);
    return fragment;
}

@Override public PreferenceDialogFragmentCompat createDialog()
{
    return new NumberPickerPreferenceDialog();
}

public abstract PreferenceDialogFragmentCompat createDialog();