Sir mere paas 5 buttons hai jispar click karne par layout ka background color badalta hai but jab bhi me us activity ko close karta hu yaa app se bahar jata hu to sab kuch reset(default) ho jata hai. User dwara button par click Kiya hua event me keise save Karu jisse user dobara app open kare to uske dwara pichali bar Kiya gaya change jeisa ka weisa mile please sir help Sir is topic par pure RU-vid par koi video nahi hai App please ispar ek video banaye ya muje help kare Thanks from Maharashtra ❤️