Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.content.pm.PackageManager.NameNotFoundException; import android.util.Log; public class Main { private static final String TAG = "AppMgrUtil"; public static int getVerCode(Context context, String packageName) { int verCode = -1; try { verCode = context.getPackageManager().getPackageInfo(packageName, 0).versionCode; } catch (NameNotFoundException e) { Log.e(TAG, e.getMessage()); } return verCode; } }