Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

import java.util.List;

public class Main {

    public static boolean isApplicationToBackground(final Context context) {
        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
        if (!tasks.isEmpty()) {
            ComponentName topActivity = tasks.get(0).topActivity;
            if (!topActivity.getPackageName().equals(context.getPackageName())) {
                return true;
            }
        }
        return false;
    }

    public static String getPackageName(Context context) {
        return null == getPackageInfo(context) ? null : getPackageInfo(context).packageName;
    }

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