Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.content.Context;

import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

public class Main {
    public static int getAppVersionCode(Context context) {
        if (context != null) {
            PackageManager pm = context.getPackageManager();
            try {
                PackageInfo packageInfo = pm.getPackageInfo(context.getPackageName(), 0);
                if (packageInfo != null) {
                    return packageInfo.versionCode;
                }
            } catch (PackageManager.NameNotFoundException e) {
                e.printStackTrace();
            }
        }
        return -1;
    }
}