Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.content.Context;
import android.content.pm.PackageManager;

public class Main {
    /**
     * Check if a certain application is installed on a device.
     *
     * @param context the applications context.
     * @param packageName the package name that you want to check.
     *
     * @return true if the application is installed, false otherwise.
     */
    public static boolean isApplicationInstalled(Context context, String packageName) {
        PackageManager pm = context.getPackageManager();
        try {
            // Check if the package name exists, if exception is thrown, package name does not exist.
            pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
            return true;
        } catch (PackageManager.NameNotFoundException e) {
            return false;
        }
    }
}