获取未安装的APK信息
在前面的文章发过一篇《获取已安装程序的名字、包名、版本和图标》，当时有朋友问我怎么获取未安装的APK信息（如：软件名称、包名、图标等等）。当时还不知道能读取未安装的APK信息，也没遇到这样的需求，所以也没去看怎么做。现在终于知道了，很简单。看代码会比较明了。
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/** 获取未安装的APK信息 * @param context * @param archiveFilePath APK文件的路径。如：/sdcard/download/XX.apk */public void getUninatllApkInfo(Context context, String archiveFilePath){PackageManager pm = context.getPackageManager();PackageInfo info = pm.getPackageArchiveInfo(archiveFilePath, PackageManager.GET_ACTIVITIES);if(info != null){ApplicationInfo appInfo = info.applicationInfo;String appName = pm.getApplicationLabel(appInfo).toString();String packageName = appInfo.packageName;Drawable icon = pm.getApplicationIcon(appInfo);}}?public static Drawable getApkIcon(Context context, File file) { PackageManager pm = context.getPackageManager(); PackageInfo info = pm.getPackageArchiveInfo(file.getPath(), PackageManager.GET_ACTIVITIES); return info == null? null:pm.getApplicationIcon(info.applicationInfo);}INFO/PackageParser(1841): org.mydroid.android.tabhost: compat added android.permission.WRITE_EXTERNAL_STORAGE android.permission.READ_PHONE_STATEWARN/PackageManager(1841): Failure retrieving icon 0x7f020000 in package org.mydroid.android.tabhostWARN/PackageManager(1841): java.lang.NullPointerExceptionWARN/PackageManager(1841): at android.app.ActivityThread$ResourcesKey.<init>(ActivityThread.java:2200)WARN/PackageManager(1841): at android.app.ActivityThread.getTopLevelResources(ActivityThread.java:187)WARN/PackageManager(1841): at android.app.ActivityThread.getTopLevelResources(ActivityThread.java:246)WARN/PackageManager(1841): at android.app.ContextImpl$ApplicationPackageManager.getResourcesForApplication(ContextImpl.java:2188)WARN/PackageManager(1841): at android.app.ContextImpl$ApplicationPackageManager.getDrawable(ContextImpl.java:2114)WARN/PackageManager(1841): at android.content.pm.PackageItemInfo.loadIcon(PackageItemInfo.java:131)WARN/PackageManager(1841): at android.app.ContextImpl$ApplicationPackageManager.getApplicationIcon(ContextImpl.java:2169)WARN/PackageManager(1841): at org.mydroid.filemanager.FileUtil.getApkIcon(FileUtil.java:140)WARN/PackageManager(1841): at org.mydroid.filemanager.ItemSpec.<init>(ItemSpec.java:51)WARN/PackageManager(1841): at org.mydroid.filemanager.FileManager$4.run(FileManager.java:228)WARN/PackageManager(1841): at java.lang.Thread.run(Thread.java:1096)3 楼 xuehanxin 2011-09-23 用java可以读到吗 4 楼 jxw3042 2012-07-04 你确定可以么？ info 每次都返回null的！