我已经在Android Studio和网站上嵌入了网站

Question

我已经在Android Studio中嵌入了网站，网站工作正常，但我嵌入网站的音频无效。我是初学者，我想得到帮助。

'''x = 'C1' and y = 'C2' union 
   x = 'C2' and y = 'C1';'''

'''x = 'C2' and y = 'C3' union 
   x = 'C3' and y = 'C2';'''

'''x = 'C1' and y = 'C3' union 
   x = 'C3' and y = 'C1';'''