Animation effect of Android adding goods to shopping cart (Bezier curve)
•
Android
When we write mall projects, we generally have the function of adding shopping cart. When we add shopping cart, there will be some parabola animation. The specific code is as follows:
The implementation effect is shown in the figure:
Idea:
Difficulties:
Use of pathmeasure - getlength () - understanding of Boolean getpostan (float distance, float [] POS, float [] tan)
Knowledge points involved:
How to get the absolute coordinates of the control on the screen
How to use Bezier curves and the attribute animation interpolator valueanimator
All codes:
The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.
The content of this article comes from the network collection of netizens. It is used as a learning reference. The copyright belongs to the original author.
THE END
二维码