Example code of Android offline cache

To a certain extent, Android needs to consider the problem of caching. If you don't believe it, you can take out your mobile phone to see whether some apps such as Taobao can be browsed without the Internet. However, most apps don't consider these problems. What are the methods to solve Android caching

1. IO stream read / write file

2. Database

3. Lrucache and disklrucache

I prefer reading and writing SD card files. I can analyze the reasons.

(1) Authority

(2) What's the use of judging the status of network connection? Think for yourself

(3) Port write data

(4) Read data

(5) Partially complete Demo1

(6) Partially complete demo2

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.