Here you can find the source of getAppVersionCode(Context context)
public static int getAppVersionCode(Context context)
//package com.java2s; import android.content.Context; import android.content.pm.PackageManager.NameNotFoundException; public class Main { /** /* w ww . j a va 2s . co m*/ * Returns version code of OpenSudoku. * @return */ public static int getAppVersionCode(Context context) { try { return context.getPackageManager().getPackageInfo( context.getPackageName(), 0).versionCode; } catch (NameNotFoundException e) { throw new RuntimeException(e); } } }