Question about EV3 control with AI2

MIT App Inventor Help
1

I'm making my project with EV3 and trying to do combination in AI2. I have some problems.I tried to let EV3 doing multiple actions in one click,but it seens not working well.The actions cannot work step-by-step.Can anyone give some advice?My code is put below:

blocks
blocks1160×2006 357 KB

2

Hello Frank

Have you seen the MIT tutorials?

http://iot.appinventor.mit.edu/#/legoev3/legoev3intro