at first if you want to learn about android studio and learn how to make an app for the first time...

this will be a good way to start your learning about making and building App for the first time,

in this tutorial you need to download android studio app only

at the end of this tutorial you will be able to build 2 App in less than 1 hour

Build an Wallpaper App & Slide photo

in this tutorial you will be able to build 2 app

1st app will be a wallpaper app so u can import photos to the project and then when click on any photo it will be as a wallpaper for your device

2nd app will be like a slide photo with a text and photo and description under the photo that we had add,

then you will be able to change the color background for each photo that you have add and also you can change the photo

at last you will be able to make the activity look in full screen with out any action bar

don't forget to take a look for my profile and check other tutorial I'm sure it will be useful to you

after all that don't forget to give me a good rating if u have enjoyed this tutorial, have a good day.