Andengine - Enable A Disabled Child Button Based On Whether The Parent Button Has Been Pressed

With the current set-up that I have thanks to the answer here. How do I disabled child button based on whether the parent button has been pressed? for example Button2 is currently

Solution 1:

During your XML parsing when you are creating the buttons, we will take the opportunity to enable only GAMEBUTTON1, disable all of the others and call a function to enable all children when the button is pressed. I.e.,

if (type.equals(TAG_ENTITY_ATTRIBUTE_VALUE_GAMEBUTTON1))
{
    final ButtonSprite levelObject = new ButtonSprite(x, y, resourcesManager.gamebutton1_region, vbom, new  OnClickListener()
    {

        @Override
        public void onClick(ButtonSprite pButtonSprite, float pTouchAreaLocalX, float pTouchAreaLocalY) 
        {       
            //This button sprite has been clicked so lets enable any child sprites

            EnableChildButtons(this); //See sub routine later

        }
     });
     //For game button 1, we will enable it,
     levelObject.setEnabled(true);
     levelObject.setColor(Color.WHITE);
     //Hereafter for further buttons, although the rest of the code will be the same
     //will be disabled after creation with the following two lines in place of the latter
     // levelObject.setEnabled(false);
     // levelObject.setColor(Color.BLACK);
}
//...(rest of your code in previous post)

Before the sub routine EnableChildButtons, I made an ammendment to your levelObjectUserData, I replaced your int array of child IDs,

public int[] ChildID = {-1};

With a List,

public List<Integer> ChildIDs = new ArrayList<Integer>();

When calling the code which stores your child IDs simply use the following with your code,

for (int i = 0;i<childString_id.length;i++)
{
    MyData.ChildIDs.add(Integer.parseInt(childString_id[i]));
}

We then just need to write the function to enable the children,

private void EnableChildButtons(final ButtonSprite mButtonSprite)
{
    //To cut down on syntax length get a pointer to the button user data
    final levelObjectUserData mUserData = ((levelObjectUserData) (mButtonSprite.getUserData()));

    //We will be careful and run this on the update so we do not alter states
    //while they are currently being processed by the update thread!
    mActivity.runOnUpdateThread(new Runnable()
    {
        @Override
        public void run()
        {
            //Go through all of the buttons child ids
            for (int i = 0;i<mUserData.ChildIDs.size();i++)
            {

                //Locate the button with that ID as will be refernced in our levelObjects
                //linked list
                for (int j = 0;j<levelObjects.size();j++)
                {
                    final int ButtonSpriteID = ((levelObjectUserData) (levelObjects.get(j).getUserData())).ID;

                    if (mUserData.ChildIDs.get(i) == ButtonSpriteID)
                    {
                        //We have found a child button, so enable it!
                        ((ButtonSprite) levelObjects.get(j)).setEnabled(true);
                        ((ButtonSprite) levelObjects.get(j)).setColor(Color.WHITE);
                    }
                }

            }
        }

     });
}

Hope this helps.