如何获取待安装APK的版本号
工人21 2016-10-14 08:56:54 代码如下:
String apkUrl="http://121.116.245.146:8099/tr.APK";//安装包路径
String versionName = null;
String appName = null;
String pakName = null;
PackageManager pm=this.getPackageManager();
PackageInfo pakinfo=pm.getPackageArchiveInfo(apkUrl,PackageManager.GET_ACTIVITIES);
if (pakinfo!=null) {
ApplicationInfo appinfo=pakinfo.applicationInfo;
versionName=pakinfo.versionName;
appName=(String) pm.getApplicationLabel(appinfo);
pakName=appinfo.packageName;
}
pakinfo始终为null
求解,谢谢。