what is this? is it also any lenguage? should we learn it

Question

https://code.sololearn.com/cXTXecFgRYCf/?ref=app

Answer 1

This is XML (rXtensible Markup Language), it is a content description syntax that helps you store stuff and then retrieve and parse with any language... It is not a programming language but you could learn it if you want.

Answer 2

This is xml language Extensible Markup Laguage

In this xml script you are creat user interface statically

LineraLayout => is a view group
It's a container in a way you can put inside andthor view

Note => view and viewgroup are diffrent from each other.if you add andthor view inside View group than closing tag require.

TextView => As the name suggests, it will show a text on user interface screen.

Note => TextView in not a view Container you can't add another view inside textView.

Answer 3

XML : The full form is Extensible Markup Language

This is used to store snd send data
It is derived from sgml
It is case sensitive
For every opening tag there must a closing tag
Along with HTML tags we can create our userdefined tags also

XML is a database

Android is an opensource operating system introduced by open head alliance

To overcome the drawbacks of bada the android came into existance
Android uses linux kernal

Today the owner of android is google

Android uses java for application development (apps)

Androidstudio is used to develop apps

JAVA is a popular object oriented programming language introduced by sun microsystems

Today the owner of java is ORACLE

It is an opensource platform used everywhere either hardware or software

we can learn xml with little bit support of HTML

we can learn JAVA with support of C language

we can learn ANDROID with support of JAVA programming