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Android Launcher manifest解析

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Launcher 的AndroidManifest.xml文件有很多特殊性,分析一下就会理解整个程序的大概结构。
代码如下:

< manifest xmlns:android = "http://schemas.android.com/apk/res/android"

       package = "net.sunniwell.launcher"

       android:versionCode = "1" android:versionName = "1.0.1" >

关于自定义权限,这是很好的例子,其他 apk 程序要想使用 Launcher 的功能必须添加这些权限,而这些权限都是在这里声明的。


这个是安装快捷方式的权限定义:


< permission

         android:name = "com.android.launcher.permission.INSTALL_SHORTCUT"

         android:permissionGroup = "android.permission-group.SYSTEM_TOOLS"

         android:protectionLevel = "normal"

         android:label = "@string/permlab_install_shortcut"

         android:description = "@string/permdesc_install_shortcut" />



这个是卸载快捷方式的权限定义:


< permission

         android:name = "com.android.launcher.permission.UNINSTALL_SHORTCUT"

         android:permissionGroup = "android.permission-group.SYSTEM_TOOLS"

         android:protectionLevel = "normal"

         android:label = "@string/permlab_uninstall_shortcut"

         android:description = "@string/permdesc_uninstall_shortcut" />


这个是读取 launcher.db 内容的权限定义:


< permission

         android:name = "net.sunniwell.launcher.permission.READ_SETTINGS"

         android:permissionGroup = "android.permission-group.SYSTEM_TOOLS"

         android:protectionLevel = "normal"

         android:label = "@string/permlab_read_settings"

         android:description = "@string/permdesc_read_settings" />


这个是修改和删除 launcher.db 内容的权限定义:


< permission

         android:name = "net.sunniwell.launcher.permission.WRITE_SETTINGS"

         android:permissionGroup = "android.permission-group.SYSTEM_TOOLS"

         android:protectionLevel = "normal"

         android:label = "@string/permlab_write_settings"

         android:description = "@string/permdesc_write_settings" />

这些是 Launcher 的权限声明,通过这些就能看出 launcher 的大概功能了:

打电话权限:


< uses-permission android:name = "android.permission.CALL_PHONE" />

使用状态栏权限:


< uses-permission android:name = "android.permission.EXPAND_STATUS_BAR" />

获取当前或最近运行的任务的信息的权限:


< uses-permission android:name = "android.permission.GET_TASKS" />

读取通信录权限 :


< uses-permission android:name = "android.permission.READ_CONTACTS" />

设置壁纸权限:

< uses-permission android:name = "android.permission.SET_WALLPAPER" />

允许程序设置壁纸 hits 的权限:

< uses-permission android:name = "android.permission.SET_WALLPAPER_HINTS" />

使用震动功能权限:

< uses-permission android:name = "android.permission.VIBRATE" />

修改删除 launcher.db 内容权限:

< uses-permission android:name = "android.permission.WRITE_SETTINGS" />

绑定 widget 权限:

< uses-permission android:name = "android.permission.BIND_APPWIDGET" />

读取 launcher.db 内容权限:

< uses-permission android:name = "net.sunniwell.launcher.permission.READ_SETTINGS" />

修改删除 launcher.db 内容权限:

< uses-permission android:name = "net.sunniwell.launcher.permission.WRITE_SETTINGS" />

读写外部存储设备权限:

< uses-permission android:name = "android.permission.WRITE_EXTERNAL_STORAGE" ></ uses-permission >




< application

         android:name = "LauncherApplication"

       activity 应该运行的进程的名字:

android:process = "android.process.acore"

         android:label = "@string/application_name"

         android:icon = "@drawable/swicon" >


< activity

             android:name = "Launcher"

            是否

android:launchMode = "singleTask"

             android:clearTaskOnLaunch = "true"

             这个 activity 是否在被杀死或者重启后能恢复原来的状态:

android:stateNotNeeded = "true"

             android:theme = "@style/Theme"

             android:screenOrientation = "landscape"

             android:windowSoftInputMode = "stateUnspecified|adjustPan" >


< intent-filter >


< action android:name = "android.intent.action.MAIN" />


< category android:name = "android.intent.category.LAUNCHER" />



桌面应用的标记:

< category android:name = "android.intent.category.HOME" />


< category android:name = "android.intent.category.DEFAULT" />


自动化测试工具 Monkey 的标记,待研究

< category android:name = "android.intent.category.MONKEY" />



</ intent-filter >


</ activity >

选择壁纸的 activity:

< activity

             android:name = "WallpaperChooser"

             android:label = "@string/pick_wallpaper"

             android:icon = "@drawable/ic_launcher_gallery" >


设置壁纸的 intent-filter


< intent-filter >


< action android:name = "android.intent.action.SET_WALLPAPER" />


< category android:name = "android.intent.category.DEFAULT" />


</ intent-filter >

搜索的 activity

</ activity >


<!-- Enable system-default search mode for any activity in Home -->


< meta-data

             android:name = "android.app.default_searchable"

             android:value = "*" />

安装快捷方式的广播接收器:


<!-- Intent received used to install shortcuts from other applications -->



< receiver

             android:name = ".InstallShortcutReceiver"

             android:permission = "com.android.launcher.permission.INSTALL_SHORTCUT" >


< intent-filter >


< action android:name = "com.android.launcher.action.INSTALL_SHORTCUT" />


</ intent-filter >


</ receiver >


<!-- Intent received used to uninstall shortcuts from other applications -->

卸载快捷方式的广播接收器:


< receiver

             android:name = ".UninstallShortcutReceiver"

             android:permission = "com.android.launcher.permission.UNINSTALL_SHORTCUT" >


< intent-filter >


< action android:name = "com.android.launcher.action.UNINSTALL_SHORTCUT" />


</ intent-filter >


</ receiver >

声明 ContentProvider ,用于对 launcher.db 操作:


<!-- The settings provider contains Home's data, like the workspace favorites -->


< provider

             android:name = "SWLauncherProvider"

             android:authorities = "net.sunniwell.launcher.settings"

             android:writePermission = "net.sunniwell.launcher.permission.WRITE_SETTINGS"

             android:readPermission = "net.sunniwell.launcher.permission.READ_SETTINGS" />


</ application >


< uses-sdk android:minSdkVersion = "4" />

</ manifest >
说明:
1.
<manifest 标签头部还应声明:

android:sharedUserId="android.uid.shared" ,作用是获得系统权限,但是这样的程序属性只能在build整个系统时放进去(就是系统软件)才起作用,手动安装是没有权限的。

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评论
1 楼 zuoan1987 2011-09-19  
需要修改Launcher,学习一下....

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