User Activity

I define two different buttons. Pressing the first button activates the second button, and when the second button is pressed, the first button becomes active. can you help me thank you very much
Hello thereI am currently working with the stm32f7469-disco card, I accidentally deleted the software inside the st link, I wonder how do I restore it?
Hello,​When to add speedometer and pointer apps to touchgfx app​can you look at the link​https://www.syncfusion.com/blogs/post/speedometer-using-flutter-radial-gauge.aspx/amp​​​​