iOS Pre-loading technology

Method Two:

Load n images at any time before and after loading

Calculate with current picture

Problem when the network speed is slow

Slide the previous picture without loading it very fast

Distinguish between the currently selected page and the currently loaded picture is separate (this is the focus)

Low performance Three

When creating a list page, do not create the contents, when you slide to the current page in the creation

Method One: Failure I can't write it down

1. Load the left and right two when loading for the first time

2. Pre-load the front n when sliding to the left

3, slide to the right to preload the back N Zhang

4, the picture ID has been loaded to save two times to prevent reloading, to do the judgment

5.

iOS Pre-loading technology