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;
import android.content.pm.PackageManager.NameNotFoundException;

public class Main {
    /**
     * get app version code
     * 
     * @param context
     * @return
     */
    public static int getAppVersionCode(Context context) {
        if (context != null) {
            PackageManager pm = context.getPackageManager();
            if (pm != null) {
                PackageInfo pi;
                try {
                    pi = pm.getPackageInfo(context.getPackageName(), 0);
                    if (pi != null) {
                        return pi.versionCode;
                    }
                } catch (NameNotFoundException e) {
                    e.printStackTrace();
                }
            }
        }
        return -1;
    }
}