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