android获取已安装nolaunch（没有安装图标）的apk

//获取已安装的apk为nolaunch的列表
public static void isNoLaunchApp(Context context, String packageName) {
List<ResolveInfo> apps;
Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
resolveIntent.addCategory(Intent.CATEGORY_DEFAULT);
resolveIntent.setPackage(packageName);
apps = context.getPackageManager().queryIntentActivities(resolveIntent, 0);

}