android 获取系统所有安装的应用程序

1、获取所有安装的应用程序

List<PackageInfo> packages = getPackageManager().getInstalledPackages(0);
       
       for(int i=0;i<packages.size();i++) {
       PackageInfo packageInfo = packages.get(i);
       AppInfo tmpInfo =new AppInfo();
       tmpInfo.appName = packageInfo.applicationInfo.loadLabel(getPackageManager()).toString();
       tmpInfo.packageName = packageInfo.packageName;
       tmpInfo.versionName = packageInfo.versionName;
       tmpInfo.versionCode = packageInfo.versionCode;
       tmpInfo.appIcon = packageInfo.applicationInfo.loadIcon(getPackageManager());
    }

2、判断是否是系统应用

if((packageInfo.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM)==0)
{
       //非系统应用
}
else

{

//系统应用　　　　　　　　

}