i wnat to be an expert app developer but I don't know how?,
In order to become an expert you have to learn the basics first. You have to practice a lot and make at least few successful applications. Probably, the best way to become an expert, is to learn from experts. You can start here: https://developer.android.com/training/index.html
- Forum posts: 439
May 14, 2017 4:22:03 AM via Website
May 14, 2017 4:22:03 AM via Website
Yes, get started from the official training guide.
Scenery Pics - https://imgur.com/a/mUh2R
A "Pure" App - https://imgur.com/a/9GvDT