Use the loop(for ...then...)

MIT App Inventor Help
1

Hello. There are 55 buttons in my project. I want to change the background of 50 (button 1 to button 50 ) of them by clicking on one button. How can I use the loop? Thanks

2

Use the EveryButton block and anyButton blocks (excluding the five buttons you do not want to change)

3

Hi thanks.please show me blocks.

4

image

image

5

Hi.very thanks.

6

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