diff --git a/NoteWidgetProvider_2x.java b/NoteWidgetProvider_2x.java new file mode 100644 index 0000000..21f57a2 --- /dev/null +++ b/NoteWidgetProvider_2x.java @@ -0,0 +1,53 @@ +/* + * 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. + */ +// 声明包名,这有助于组织代码和避免命名冲突 +package net.micode.notes.widget; +// 导入所需的Android和Java类 +import android.appwidget.AppWidgetManager; +import android.content.Context; +// 导入项目内的其他类 +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.ResourceParser; + +// 声明NoteWidgetProvider_2x类,它继承自NoteWidgetProvider +public class NoteWidgetProvider_2x extends NoteWidgetProvider { + // 当小部件需要更新时,系统会调用此方法 + @Override + public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { + // 调用父类的update方法,传入相同的参数,以执行更新逻辑 + super.update(context, appWidgetManager, appWidgetIds); + } +// 重写父类的getLayoutId方法,用于返回此小部件布局的资源ID + @Override + protected int getLayoutId() { + // 返回R.layout.widget_2x,这是预定义在res/layout目录下的XML布局文件 + return R.layout.widget_2x; + } + // 重写父类的getBgResourceId方法,用于根据传入的背景ID获取对应的资源ID + @Override + protected int getBgResourceId(int bgId) { + // 调用ResourceParser.WidgetBgResources.getWidget2xBgResource方法,传入bgId + // 并返回对应的2x小部件背景资源ID + return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId); + } +// 重写父类的getWidgetType方法,用于返回此小部件的类型 + @Override + protected int getWidgetType() { + // 返回Notes.TYPE_WIDGET_2X,这是一个在Notes类中定义的常量,表示2x小部件的类型 + return Notes.TYPE_WIDGET_2X; + } +}