What is the qualification for become android app developer?

Question

Android app developer

Answer 1

Just learn your preferred Programming language by the way people says :
1.Python is the easiest.
And
2.Java is the currently most used language.

Answer 2

You need to learn any one language of following.

1) Java (Now day by day old For android development)

2) Kotlin (Is now official language for android development by Google)

3) Flutter (New for android development and platform independent for iso also) (Popularity increasing day by day)

If you want to start android development now then learn Kotlin / flutter.