What all languages should we learn to create a mobile application

Question

I'm really very excited as well as very keen to integrate all my ideas and create a source to help the society. My plan is to creat e an application which is an easy way to reach the people, I think. So please do help me

Answer 1

if u r interested in Android development learn java, if u want make ios app learn swift , if u want both , hybrid app for ios , Android and windows phone learn c#

Answer 2

For Android despite Java and XML you could also learn Kotlin.