Exercise_8_2_Basic_Animations.md

Objectives

• Attracts users by using animations.

Requirements

Activity Transitions:

• Add slide up/slide down for Exercise 1.1 when user leaves/enters each signup step.

Fragment Transitions:

• Do the same thing with Activity Transitions but for Fragment from [Exercise 3.1](Exercise 3_1_Fragment.md)

View Animations and layout animations:

• Implements an app with UI like this:

• There are 2 spinners inside the app that contains:

  Type of animations	Type of interpolator
  Alpha	LinearInterpolator
  SlideUp	AccelerateInterpolator
  SlideDown	AnticipateInterpolator
  Rotation	OvershootInterpolator
  Scale	BounceInterpolator
  Set

• The type of interpolator is the name of interpolator class that Android already supports

• Press START will animate all the views above the spinners with the selected animation and interpolator.

• See the below gifs for animation types:

  

  Alpha animation

  

  Slide animation

  

  Rotate animation

  

  Scale animation

  

  Set animation

Layout animations

• The above application also contains a menu that can add and remove view inside the view group above 2 spinners.
• When add/remove view out of the view group, there will be animations described as below:

References:

• Guide to implement animations
• Android guide of animations