CircleList (arc-shaped ListView)

Source code introduction

The arc-shaped ListView is adapted from a foreign open source control.
Source code running screenshot

Source code snippet

 private   float calculateAngel( int top, int h) {
 float result = 0f;
 if (top < h / 2f) {
            result = (top - (h / 2f)) / (h / 2f) * fullAngelFactor;
 } else   if (top > h / 2f) {
            result = (top - (h / 2f)) / (h / 2f) * fullAngelFactor;
 }
 return result;
 }

Source code link: http://download..com/data/1983067