How to make fading/parallax actionbar?

Question

I'm creating an app and I want to implement two actionbars like those in Whatsapp.

Can someone help mee?

I need the code with explanation, or only the code

I'm learning to program :)

Sorry for my poor english, I'm from Brazil

Answer 1

Use one of the following libraries

• https://github.com/ManuelPeinado/FadingActionBar
• https://github.com/nirhart/ParallaxScroll
• https://github.com/bydavy/android-parallax-example

Each has an example app, so that should help you understand how to use it.