title: Creating a progress bar while loading the UI
body: <p>i have created a android app it works fine and I am loading my UI that contains a scroll tab with several fragments, the UI in the main activity takes 4-6 seconds to load and only a blank white screen is seen till then, how can I show a progressbar till that UI has finished loading there s no data to load just the UI so please dont tell about asynctasks</p>