Here you can find the source of GetVersion(Context context)
public static String GetVersion(Context context)
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static String GetVersion(Context context) { try {/*from w w w.j a v a 2 s .co m*/ PackageInfo manager = context.getPackageManager() .getPackageInfo(context.getPackageName(), 0); return manager.versionName; } catch (NameNotFoundException e) { return "Unknown"; } } }