Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.app.Activity;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;

import java.util.List;
import java.util.Map;

public class Main {
    private static List<Activity> getAllActivitiesHack() throws ClassNotFoundException, NoSuchMethodException,
            NoSuchFieldException, IllegalAccessException, InvocationTargetException {
        Class activityThreadClass = Class.forName("android.app.ActivityThread");
        Object activityThread = activityThreadClass.getMethod("currentActivityThread").invoke(null);
        Field activitiesField = activityThreadClass.getDeclaredField("mActivities");
        activitiesField.setAccessible(true);
        Map activities = (Map) activitiesField.get(activityThread);
        List<Activity> activitiesList = new ArrayList<Activity>(activities.size());

        for (Object activityRecord : activities.values()) {
            Class activityRecordClass = activityRecord.getClass();
            Field activityField = activityRecordClass.getDeclaredField("activity");
            activityField.setAccessible(true);
            Activity activity = (Activity) activityField.get(activityRecord);
            activitiesList.add(activity);
        }

        return activitiesList;
    }
}