Introduction - If you have any usage issues, please Google them yourself
Although the iPhone is designed to switch the view of many effects, but sometimes in the same view, from one image to another one image through a simple pale effect, will be able to meet all your needs. For example, I recently designed a program, when the program starts, I want to fade out the picture, while the other deputy is the main interface, the user picture, the effect of rendering the screen front and center of the screen. I have expressed the effects as shown below: