I wanna get to star programming for smaetphone apps.what bases and skills are required?

Answer 1

Building an Android app comes down to two major skills/languages: Java and Android. Java is the language used in Android, but the Android part encompasses learning XML for the design of the app, learning the concepts of Android, and using the concepts programmatically with Java.

Once you learn Java and XML (XML is really easy to get used to, and you should learn the language as you program your app rather than learning it beforehand like you would with Java), you need to learn how to connect these two using Android principles.

Answer 2

since you tagged C++
yes you can with it
install the SDK and see
google

Answer 3

learn java and
go for android studio
or learn c#
go for xamarin
or learn html css js
go for cordova
or see app inventor

Answer 4

learn java