I want to create an landing view for my application a user log in they need to land on this activity page (Image 1) if they click on any of the icon they will be take to the activity page of that activity. I want it needed to be change when user turn their screen to vertical or horizontal. But I don't know where to start.
Below I have added two images to show what I want to implement in my application. This is for my college project. In the landing view it have alert box and another box text from MySQL database but I am stuck in all points.
Image 1
Image 2