Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static int getVerCode(Context paramContext) { PackageInfo pInfo; try { pInfo = paramContext.getPackageManager().getPackageInfo(paramContext.getPackageName(), 0); return pInfo.versionCode; } catch (NameNotFoundException e) { e.printStackTrace(); } return 0; } }