Android 判断File是否为apk文件

public static Boolean isApkFile(Context context, String filePath) {

String pkg;

try {

PackageManager packageManager = context.getPackageManager();

PackageInfo info = packageManager.getPackageArchiveInfo(filePath, PackageManager.GET_ACTIVITIES);

if (info !=null) {

ApplicationInfo appInfo = info.applicationInfo;

pkg=appInfo.packageName;//得到安装包名称

        }else{

pkg="";

}

}catch (Exception e) {

pkg="";

}

return !TextUtils.isEmpty(pkg);

}