Principle and implementation of Android image three-level cache

Why use L3 cache

What is L3 cache

Principle of L3 cache

Specific implementation and code

1. Custom image caching tool class (mybitmaputils)

2. Network cache (netcacheutils)

3. Local cache utils

4. Memory cacheutils

This is the most important and important part of this article

For memory caching, you must pay attention to a problem, that is, out of memory

Why does it cause memory overflow?

Implementation method:

The memory will be controlled within a certain size. When it exceeds the maximum value, it will be recycled automatically. The maximum value is set by the developer

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.