SetTheme dose not work when is use viewBinding-CodePudding

I have two themes in my app (dark and light mode) and I could change the themes without any problems. But since I used the viewBinding, the setTheme() function did not work and I can't change the activity's theme any more. Does anyone knows what's the problem?

This is my old code (which worked)

setTheme(getAppTheme());
setContentView(R.layout.my_layout);

and the new code (which does not works)

setTheme(getAppTheme());
setContentView(binding.getRoot());

Thank you for taking the time to read, and sorry for my bad English :)

CodePudding user response：

You must be initializing your binding variable before you're setting your theme. You have to initialize your activity binding after you've set the theme, for it to work correctly.

setTheme(getAppTheme());
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.getRoot());