Here we are going to see about a simple splash screen example that displays a textview as splash screen & then move to main activity after the splash screen times up.
M. Vidal, A. da Silva, E. de Moura, and J. Cavalcanti. Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval, page 292--299. New York, NY, USA, ACM, (2006)