@Anwita_Divya As said by @iamwsumit there must be problem on screen 2 that’s why the app is closing as you can see my video [Post 26] the screen 1 works perfectly but as i was on emulator so that app didn’t closed and result nothing was loaded on screen 2 and also thanks @iamwsumit and @bodymindpower to provide two different or similar guides this helped me a lot as i am still a learner and want to learn more and more about softwares