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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