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 String getAppVersionName(Context context) {
        PackageInfo pi = getPackageInfo(context);
        return pi == null ? "" : pi.versionName;
    }

    public static PackageInfo getPackageInfo(Context context) {
        PackageManager packageManager = context.getPackageManager();
        PackageInfo packageInfo = null;
        try {
            packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return packageInfo;
    }

    public static PackageInfo getPackageInfo(Context context, String pkg) {
        try {
            return context.getPackageManager().getPackageInfo(pkg, 0);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }
}