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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!--
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======================= 4x4便签小部件配置文件 =======================
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文件：widget_4x_info.xml
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对应：NoteWidgetProvider_4x 小部件提供者
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引用：在AndroidManifest.xml的meta-data中引用
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作用：定义4x4便签小部件在桌面上的基本属性
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-->
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<!--
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======================= 小部件提供者配置元素 =======================
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appwidget-provider：Android小部件配置的核心元素
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包含小部件的基本属性定义
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-->
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<appwidget-provider
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:initialLayout="@layout/widget_4x"
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android:minWidth="294dip"
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android:minHeight="294dip">
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</appwidget-provider>
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<!--
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======================= Android框架命名空间 =======================
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xmlns:android：声明Android框架的XML命名空间
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值：标准的Android命名空间URI
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作用：启用Android特定的XML属性和资源引用
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位置：必须是appwidget-provider的第一个属性
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-->
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<!--
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======================= 4x4小部件初始布局 =======================
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android:initialLayout：指定小部件的初始布局文件
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值：@layout/widget_4x
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对应文件：res/layout/widget_4x.xml
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内容：4x4便签小部件的界面布局
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包含：背景图片、便签文本显示、点击区域
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-->
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<!--
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======================= 4x4小部件最小宽度 =======================
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android:minWidth：定义小部件在桌面网格中的最小宽度
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值：294dip (density-independent pixels)
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计算：4个网格单元格 × 74dp ≈ 296dp
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实际：294dp (考虑边距和渲染误差)
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单位：dip等同于dp，旧版Android使用的单位
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作用：确保小部件至少占用4个网格宽度
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-->
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<!--
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======================= 4x4小部件最小高度 =======================
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android:minHeight：定义小部件在桌面网格中的最小高度
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值：294dip
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计算：与宽度相同，4×74≈296dp
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实际：294dp
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设计：正方形小部件，宽度和高度相等
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布局：4×4网格，提供较大的显示区域
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-->
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