settingscreen.java

j2me开发 简单示例 包括 游戏主菜单、rms功能模块

package com.gowin.firstgame;

import javax.microedition.lcdui.*;
public class SettingScreen extends Form implements CommandListener {

	private Elimilator midlet;
	private Command	okCommand = new Command( "OK" , Command.SCREEN , 1 );
	private Command backCommand = new Command( "Back" , Command.BACK , 1 );
	private Setting setting;
	private static final String[] difficultyOption = {"Easy","Medium","Hard"};
	private static final String[] autoFireOption = {"Off","on"};
	private ChoiceGroup difficulty;
	private ChoiceGroup autoFire;	
	
	public SettingScreen( Elimilator   midlet , Setting setting) throws Exception{
		super("Settings" );
		this.midlet = midlet;
		this.setting = setting;
		difficulty = new ChoiceGroup("Difficulty",
				ChoiceGroup.POPUP,difficultyOption,null);
		autoFire = new ChoiceGroup("AutoFire",
				ChoiceGroup.POPUP,autoFireOption,null);
		append( difficulty );
		append( autoFire );
		addCommand( backCommand );
		addCommand( okCommand );
		setCommandListener(this);
	}
	
	public void commandAction(Command cmd, Displayable displayable) {
		if( okCommand == cmd ){
			processMenu();
		}
		else if( backCommand == cmd){			
			midlet.mainMenuScreenShow();		
		}
		else{
			processMenu();			
		}

	}
	private void processMenu() {
		setting.updateSetting(difficulty.getSelectedIndex()+1 , autoFire.getSelectedIndex());
		midlet.mainMenuScreenShow();
	}
	
	
	public void init() throws Exception{
		setting.loadSetting();
		difficulty.setSelectedIndex(setting.getDifficulty()-1 , true);
		autoFire.setSelectedIndex(setting.getAutoFire(), true);
	}

	private void setControls() {
		System.out.println("setControls");
		
	}

	private void setDifficulty() {
		System.out.println("setDifficulty");
		
	}

	

}