drawlist.java

自已编的算24点的小游戏,原码和图片都已附上

import javax.microedition.lcdui.*;

public class DrawList implements CommandListener,ItemStateListener{
	 public byte modal;
	 public boolean list_dos;
	 private Form option_form;
	 private Command back;
	 private Display game_display;
	 private DrawCanvas drawcanvas;
	 public DrawList(Display display){
		 game_display=display;
		 back=new Command("返回",Command.BACK,1);
		 option_form=new Form("游戏设置");
		 StringItem stringitem=new StringItem(null,"你可以选择不同的难度来进行游戏：");
		 stringitem.setFont(Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_LARGE));
		 option_form.append(stringitem);
		 ChoiceGroup listselect=new ChoiceGroup(null,Choice.EXCLUSIVE);
		 listselect.append("只使用0~9之间的数字", null);
		 listselect.append("使用0~9和10,J，Q，K之间的数字",null);
		 for(int i=0;i<2;i++)
		  listselect.setFont(i, Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_LARGE));
		 option_form.append(listselect);
		 option_form.addCommand(back);
		 option_form.setCommandListener(this);
		 option_form.setItemStateListener(this);
	 }
	 public void get_canvasform(DrawCanvas drawcanvas){
		 this.drawcanvas=drawcanvas;
	 }
	 public Form get_form(){
		 return option_form;
	 }
	 public void commandAction(Command c,Displayable d){
               if(c==back){
            	  list_dos=true;
				  drawcanvas.set_index_title((short)0);
				  drawcanvas.scene_ID=0;
				  game_display.setCurrent(drawcanvas);
			}
		}
	 public void itemStateChanged(Item item){
			ChoiceGroup tmp=(ChoiceGroup)item;
			modal=(byte)tmp.getSelectedIndex();
		}
	

}