WeChat applet native development function collection eighteen: system theme and custom theme function realization

  This chapter implements system theme monitoring and corresponding processing, including dark black, bright color, etc. And realize custom theme control related functions, you can switch the theme through the menu.

  In addition, it also provides courses on the basic knowledge of small program development, including basic knowledge of small program development, component packaging, use of common interface components and common function realization, etc., as follows: 1. CSDN course
   : https://edu.csdn.net/ course/detail/37977
   2. 51CTO course: https://edu.51cto.com/course/100044719.html
   3. B station video collection: https://www.bilibili.com/video/BV13A411f7hN/
   4. Watermelon video Collection: https://www.ixigua.com/7188178861195002407
   5. Baidu Video Collection: https://baijiahao.baidu.com/builder/preview/s?id=1754693753661777020

1. Under the source code