Add methods for preserving state upon orientation change, but doesn't quite work
Remove code for state preservation upon orientation change
Disable orientation change ( screenOrientation:nosensor)
Changed launcher icon
Add a new TicTacToe class and move all the TicTacToe logic from main to the new class
Replace the white launcher icon with a black one. Also add the signed apk along with the README for coursera
Rename and refactor pc.png and user.png to player_x.png and player_o.png, respectively
Add MultiplayerActivity nd TicTavToe classes instead of the one MyActivity class.
Make MyActivity the first screen with user options to choose between single- or multi-play.
Merge SinglePlayer branch to MultiplayerActivity branch
Set intent to invoke SinglePlayerActivity from MyActivity
Add actionBor with the back button
Merge branch 'MultiPlayer'