Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; public class Main { static String getVersion(Context mContext) { String version = ""; try { PackageManager manager = mContext.getPackageManager(); PackageInfo info = manager.getPackageInfo(mContext.getPackageName(), 0); version = info.versionName; } catch (Exception ex) { } return version; } }