Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.util.Log; public class Main { public static int getAppCode(Context context) { int versionCode = 0; try { // ---get the package info--- PackageManager pm = context.getPackageManager(); PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0); versionCode = pi.versionCode; if (versionCode <= 0) { return 0; } } catch (Exception e) { Log.e("VersionInfo", "Exception", e); } return versionCode; } }