Animations achieved by AnimateVectorDrawable

1. 

2. inspired by First look at AnimatedVectorDrawable

3. inspired by First look at AnimatedVectorDrawable

4. inspired from here

5. inspired from here

6. inspired from here

7. inspired from here

8. 

Usage about PathData of VectorDrawable

1. 理解Android VectorDrawable中的pathData命令【续】
2. 【译】理解Android VectorDrawable中的pathData命令

Issues

Animation of Gif5 and Gif6 realized by Animation-Set Which had some bugs for animation repeat Details. So Gif5 and Gif6 cannot be repeat automatically.