display wordpress website posts using wp rest api in android app

I have my own wordpress news website and now i am trying to create a android app for my news website by using WP REST API as backend and android studio as frontend. But i am facing following issues.

Whether to show the content of the post in webview or Textview or something else?
in most cases webview is best but i think this is not the best way for creating best android app. (local storage problem, app should display the news post even the internet is off)
if i used textview for showing content then m facing some issues like 1) disable hyperlinks,underline,textcolor etc. 2) in middle part of the post there is some another part (SEE ALSO) for viewing another related posts which i don’t want in my android app 3) At bottom there is (source) which i don’t want in my android app.
Please suugest me what to do now..