flame | Easily manage | Privacy library

I have a local JSON file I am importing and decoding. I am them iterating through that data to create a list. I have a Button and I want to toggle the value of the favorite property when the button is tapped. I realize that would be mutating a JSON value which wouldnt work so I am trying to figure out how to accomplish this.

Towns.json

I have some questions. I'm working over app which uses Flame Engine in Expanded Widget as a part of bigger application. So Flame is used only as graphic representation of buttons and for interaction.

Now, theoretically:

1. Is it possible to send variable value from flame to regular Text widget in my app? (I know I can read initial value which is 0, but then nothing happends even if console shows incrementing value) Should I write some kind of stream for Flame and future in main app, or is there any other option?
2. How can I manage views in flame? I mean that currently I have two different backgrounds and different animations for each. On the bottom of the screen in main app in flutter i have buttons which i would like to use to change flame background and animations as needed (simple response from flame to my buttons)

As for code, my counter in app looks like this:

I am trying to move a Vector2's x position, the update is being called, the x value is changing but the white square component does not move, what am I missing?

i am using flame 1.0.0-releasecandidate.11.

I am creating some UI buttons for a menu in flame. The button itself is able to render just fine apart from changing sprites on the onTapDown event. After adding the class to the basegame component, the application is unable to find the ontapdown event. I only receive the error 'NoSuchMethod'.

EDIT: I'm using flame releasecandidate.11 and flame audio rc.1. The full error message is:

After installing flame and when i run my app in flutter (flutter run). I got a long error regarding null safety:

I'm toying around with Flame game engine and am finding it difficult to flip the sprite. Most game engines/libraries allow you to do this by multiplying the x scale by -1. However, this does not work with the spritesheet/spriteanimation classes' size variable. What is considered the proper way to flip a sprite in flutter flame?

I did some test and I saw when an object have a high velocity/speed the collision don't trigger.

On the Flame doc that note (https://flame-engine.org/docs/#/collision_detection?id=collision-detection):

Do note that the built-in collision detection system does not take collisions between two hitboxes that overshoot each other into account, this could happen when they either move too fast or update being called with a large delta time (for example if your app is not in the foreground). This behaviour is called tunneling, if you want to read more about it. I would love to see something talking about that and how we can avoid that!There is a good approach for that type of thing?

I realize something with some other test.

If angle are modified, it will trigger the collision. (I don't know why it won't whiteout that)

The update function (that modify the Y value) look like that:

I have trouble returning results from Entry in tkinter. I do not use it immediately after creating tne Entry:

I am pretty new to the flame game engine but whenever I try to run my program it keeps saying that

Error: Cannot run with sound null safety, because the following dependencies don't support null safety:

• package:flame
• package:ordered_set
• package:box2d_flame

I am just wondering if maybe I am not using the most current version of flame or if I need to temporarily disable null safety? Here is what my pubspec.yaml file currently looks like.