import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
class Main {
public static String getAppVersionName(Context ctx, String pkgName) {
try {
PackageManager pm = ctx.getPackageManager();
PackageInfo pkgInfo = pm.getPackageInfo(pkgName, 0);
String ver = pkgInfo.versionName;
return ver;
} catch (NameNotFoundException e) {
return "0";
}
}
}