Teams Winter 2011/team4/lab4

Lab 4

• Teampage

Tutorial

Create BlackBerry Project

• Download and install BlackBerry Java Plug-in for Eclipse
• Repeat the above for BlackBerry Torch 9800 simulator
• Launch Eclipse
• Create new BlackBerry Project: File->New->BlackBerry Project
• Set the title of the project

Add Elements on Main Screen

• Place a applications icon into res->image
• Open BlackBerry_App_Descriptor
• Select the icon, click the Add button

Define the Application

• Create the classes MyApp, MyScreen, and NextScreen
• MyApp create instances of both MyScreen and NextScreen, allowing the user to navigate between screens. This is by immediately pushing Myscreen and then adding a changeListener to the button on MyScreen to navigate to NextScreen
• The NextScreen Class will create setup the tic tac toe board and request user input for their moves. It does not allow invalid input, and once a piece has been placed, the user cannot place another piece on that square.
• After a player makes a move, the next player is requested to place their move and so on until a winner is determined, it is a tie game, or the reset button has been pressed.

Starting the Game

• Implement the code to create the menu
• Add a start game button
• Allow the start game button to switch screens

Creating the Board

• Create the board only once
• Implement the ability for a player to take their turn
• Allow the game to switch players after a turn
• When the players screen is displayed is it considered their turn

Ending the Game

• Within the player classes, implement terminal state checking
• Before a players move, is there space to go?
  • No, the game is over directing the player to the main screen
  • Yes, the game is not over and the player may take their turn
• After a players move, does that that move win the game?
  • No, the game is not over and the next player's screen is displayed
  • Yes, the game is over directing the player to the main screen