Android开发片段获取已安装的软件的信息并启动

 for (PackageInfo pack : getPackageManager().getInstalledPackages(0)) {    ApplicationInfo info = pack.applicationInfo; String pkgName = info.packageName; Log.d("Example", "packageName: " + pkgName);              Log.d("Example", "manageSpaceActivityName:" +  getPackageManager().getLaunchIntentForPackage(pkgName));  //启动             //Intent in = getPackageManager().getLaunchIntentForPackage(pkgName);             //startActivity(in); }