Teams Winter 2011/team4/lab4
Lab 4
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