I want to be a programmer in iOS and Android what should I start learning first #c or c or c++ or what please help me?!!!

Question

I know html and css fundmentals

Answer 1

For iOS you should learn Swift.
For Android you should learn Java or Kotlin.

I heard that C# can be used in Xamarin Studio to develop for both.
And there is always Apache Cordova if you want to use web technologies(HTML,CSS,JS)