feat: 初始化项目结构和基本功能

- 创建项目根目录和主要子模块
- 添加基本的 Activity 和布局文件
- 实现简单的导航和电话拨打功能
- 添加相机和图像处理相关代码
- 创建网络请求和数据加密工具类
- 设置 AndroidManifest 文件和权限

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>