按照这个文档 可以完成安卓图形抛物线的实现-Can be completed in accordance with this document the implementation of the Andrews graphics parabola

使用粒子群算法求解抛物线极值。一个很简单的粒子群算法，适合初学者理解算法的原理。采用Android实现，可以通过手机运行观察迭代信息输出。-The project is based on particle swarm algorithm to solved parabolic extremum. A very simple particle swarm optimization algorithm, suitable for beginners to understand the algorit

商城类的项目的时候，一般都会有加入购物车的功能，加入购物车的时候会有一些抛物线动画，最近做到这个功能，借助别人的demo写了一个。涉及知识：1.沉浸式状态栏，2.单位精度计算(价格)，3.List之Iterator。(When we write the mall class project, usually there will be added shopping cart function, join the shopping cart when there will be some para