Java tutorial
/* * Firetweet - Twitter client for Android * * Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.getlantern.firetweet.activity; import android.content.res.Resources; import android.os.Bundle; import android.preference.PreferenceActivity; import android.support.v4.app.NavUtils; import android.view.Menu; import org.getlantern.firetweet.Constants; import org.getlantern.firetweet.activity.iface.IThemedActivity; import org.getlantern.firetweet.util.ThemeUtils; import static org.getlantern.firetweet.util.Utils.restartActivity; public abstract class BasePreferenceActivity extends PreferenceActivity implements Constants, IThemedActivity { private int mCurrentThemeResource; @Override public boolean onMenuOpened(int featureId, Menu menu) { return super.onMenuOpened(featureId, menu); } @Override public int getCurrentThemeBackgroundAlpha() { return 0; } @Override public int getCurrentThemeColor() { return 0; } @Override public int getCurrentThemeResourceId() { return mCurrentThemeResource; } @Override public Resources getDefaultResources() { return super.getResources(); } @Override public int getThemeBackgroundAlpha() { return 0; } @Override public int getThemeColor() { return 0; } @Override public String getThemeFontFamily() { return VALUE_THEME_FONT_FAMILY_REGULAR; } @Override public int getThemeResourceId() { return ThemeUtils.getSettingsThemeResource(this); } @Override public void navigateUpFromSameTask() { NavUtils.navigateUpFromSameTask(this); } @Override public final void restart() { restartActivity(this); } protected final boolean isThemeChanged() { return getThemeResourceId() != mCurrentThemeResource; } @Override protected void onCreate(final Bundle savedInstanceState) { setTheme(mCurrentThemeResource = getThemeResourceId()); super.onCreate(savedInstanceState); setActionBarBackground(); } @Override protected void onResume() { super.onResume(); if (isThemeChanged()) { restart(); } } private final void setActionBarBackground() { // ThemeUtils.applyActionBarBackground(getActionBar(), this, // mCurrentThemeResource); } }