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test1/widget/NoteWidgetProvider_4x.java

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.widget;
import android.appwidget.AppWidgetManager; // 引入AppWidgetManager类用于管理应用小部件
import android.content.Context; // 引入Context类表示应用环境的全局信息
import net.micode.notes.R; // 引入项目的资源文件
import net.micode.notes.data.Notes; // 引入Notes类可能用于管理笔记数据及其类型
import net.micode.notes.tool.ResourceParser; // 引入ResourceParser工具类用于解析资源
// NoteWidgetProvider_4x类继承自NoteWidgetProvider专门用于处理4x大小的桌面小部件
public class NoteWidgetProvider_4x extends NoteWidgetProvider {
// 当小部件需要更新时调用此方法
// 参数包括上下文Context、小部件管理器AppWidgetManager和小部件ID数组int[]
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 调用父类的update方法传递上下文、小部件管理器和小部件ID数组
// 父类的update方法可能包含更新小部件视图的逻辑
super.update(context, appWidgetManager, appWidgetIds);
}
// 获取此小部件布局的资源ID
// 此方法被重写以返回4x大小小部件的布局资源ID
@Override
protected int getLayoutId() {
// 返回4x大小小部件的布局资源ID
return R.layout.widget_4x;
}
// 根据背景ID获取对应的资源ID
// 此方法被重写以使用ResourceParser工具类获取4x大小小部件的背景资源ID
@Override
protected int getBgResourceId(int bgId) {
// 使用ResourceParser工具类的WidgetBgResources方法获取4x大小小部件的背景资源ID
return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
}
// 获取此小部件的类型
// 此方法被重写以返回表示4x大小小部件的类型
@Override
protected int getWidgetType() {
// 返回表示4x大小小部件的类型常量
return Notes.TYPE_WIDGET_4X;
}
}