Java tutorial
/* * Twidere - Twitter client for Android * * Copyright (C) 2012-2015 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.mariotaku.twidere.activity.support; import android.content.Context; import android.content.res.Resources; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.FragmentActivity; import android.support.v4.view.LayoutInflaterCompat; import android.support.v4.view.LayoutInflaterFactory; import android.util.AttributeSet; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import org.mariotaku.twidere.BuildConfig; import org.mariotaku.twidere.Constants; import org.mariotaku.twidere.activity.iface.IThemedActivity; import org.mariotaku.twidere.app.TwidereApplication; import org.mariotaku.twidere.util.KeyboardShortcutsHandler; import org.mariotaku.twidere.util.KeyboardShortcutsHandler.KeyboardShortcutCallback; import org.mariotaku.twidere.util.StrictModeUtils; import org.mariotaku.twidere.util.ThemeUtils; import org.mariotaku.twidere.util.ThemedLayoutInflaterFactory; import org.mariotaku.twidere.util.Utils; import org.mariotaku.twidere.view.ShapedImageView.ShapeStyle; public abstract class ThemedFragmentActivity extends FragmentActivity implements Constants, IThemedActivity, KeyboardShortcutCallback { // Utility classes private KeyboardShortcutsHandler mKeyboardShortcutsHandler; // Data fields private int mCurrentThemeResource, mCurrentThemeColor, mCurrentThemeBackgroundAlpha; @ShapeStyle private int mProfileImageStyle; private String mCurrentThemeBackgroundOption; private String mCurrentThemeFontFamily; @NonNull @Override public LayoutInflater getLayoutInflater() { final LayoutInflater inflater = super.getLayoutInflater(); if (inflater.getFactory() == null) { LayoutInflaterCompat.setFactory(inflater, new ThemedLayoutInflaterFactory(this, new LayoutInflaterFactory() { @Override public View onCreateView(View parent, String name, Context context, AttributeSet attrs) { return ThemedFragmentActivity.this.onCreateView(parent, name, context, attrs); } })); } return inflater; } @Override public String getCurrentThemeFontFamily() { return mCurrentThemeFontFamily; } @Override public int getCurrentThemeBackgroundAlpha() { return mCurrentThemeBackgroundAlpha; } @Override public String getCurrentThemeBackgroundOption() { return mCurrentThemeBackgroundOption; } @Override public int getCurrentThemeColor() { return mCurrentThemeColor; } @Override public final int getCurrentThemeResourceId() { return mCurrentThemeResource; } @Override public int getThemeBackgroundAlpha() { return ThemeUtils.getUserThemeBackgroundAlpha(this); } @Override public String getThemeBackgroundOption() { return ThemeUtils.getThemeBackgroundOption(this); } @Override public String getThemeFontFamily() { return ThemeUtils.getThemeFontFamily(this); } @Override @ShapeStyle public int getCurrentProfileImageStyle() { return mProfileImageStyle; } @Override public final void restart() { Utils.restartActivity(this); } @Override protected void onCreate(final Bundle savedInstanceState) { if (BuildConfig.DEBUG) { StrictModeUtils.detectAllVmPolicy(); StrictModeUtils.detectAllThreadPolicy(); } super.onCreate(savedInstanceState); mKeyboardShortcutsHandler = TwidereApplication.getInstance(this).getKeyboardShortcutsHandler(); } @Override public void setTheme(int resid) { super.setTheme(mCurrentThemeResource = getThemeResourceId()); if (shouldApplyWindowBackground()) { ThemeUtils.applyWindowBackground(this, getWindow(), mCurrentThemeResource, mCurrentThemeBackgroundOption, mCurrentThemeBackgroundAlpha); } } @Override protected void onApplyThemeResource(@NonNull Resources.Theme theme, int resId, boolean first) { mCurrentThemeColor = getThemeColor(); mCurrentThemeFontFamily = getThemeFontFamily(); mCurrentThemeBackgroundAlpha = getThemeBackgroundAlpha(); mCurrentThemeBackgroundOption = getThemeBackgroundOption(); mProfileImageStyle = Utils.getProfileImageStyle(this); super.onApplyThemeResource(theme, resId, first); } @Override public boolean handleKeyboardShortcutSingle(@NonNull KeyboardShortcutsHandler handler, int keyCode, @NonNull KeyEvent event) { return false; } @Override public boolean handleKeyboardShortcutRepeat(@NonNull KeyboardShortcutsHandler handler, int keyCode, int repeatCount, @NonNull KeyEvent event) { return false; } @Override public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) { if (handleKeyboardShortcutSingle(mKeyboardShortcutsHandler, keyCode, event)) return true; return super.onKeyUp(keyCode, event); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (handleKeyboardShortcutRepeat(mKeyboardShortcutsHandler, keyCode, event.getRepeatCount(), event)) return true; return super.onKeyDown(keyCode, event); } @Override public int getThemeResourceId() { return 0; } protected boolean shouldApplyWindowBackground() { return true; } }