How to make splash screen like pinterest android application?

I am developing android application and initially I need to describe what is my app is all about.

I like the way Pinterest is doing, operating a UI thread with background animation. Another example is Snapchat, on login page front camera is running with display of textview and all.

Start reading these documentations and tutorials:

• http://developer.android.com/reference/android/graphics/drawable/AnimationDrawable.html
• http://developer.android.com/guide/topics/graphics/drawable-animation.html
• http://www.learn-android-easily.com/2013/07/imageview-animation-in-android.html