I just begin to contact the AS recently, after the good want to write a hello world to create a new, but an error, I don't know why, don't know what is the problem that AVD, or SDK installation problem, ask a great god help me kangkang, save the children

CodePudding user response:

With invalid cache try to restart

CodePudding user response:

The

1 floor thinking& reference; Doing response:

with invalid cache try restart

Bosses, can say specific point, I don't know you say that

CodePudding user response:

The com. Android. Support. Appcompat - v7 that into androidx

You click the show in the file that option will know where is this

CodePudding user response:

Ande reference 3 floor Wang reply:

the com. Android. Support. Appcompat - v7 that into androidx

You click the show in the file that option will know that this is where the

Good dalai, I try, thank you for your bosses!