collapseNote parent with many childre (The application may be doing too much work on its main thread)

[Mediaapp236]

Hi Guy, I have Issues, please help me !! I have a parent with many children, each children have many children(4 level). When I collapse all children the first: U/I delay and toast "The application may be doing too much work on its main thread" ???

[maxime-kouemo]

Remove the animation.