inputui.java

<j2me 开发精解> 詹建光著 里所有的源码。对J2me的开发相当有帮助

package com.j2medev.chapter4;

import javax.microedition.lcdui.*;

public class InputUI extends Form implements ItemStateListener{
    
    private SearchController controller = null;
    private TextField input = new TextField("查询条件：", "", 20, TextField.ANY);

    public InputUI(SearchController controller) {
        super("查询");
        this.controller = controller;
        this.append(input);
        this.setItemStateListener(this);
    }
    
    public void itemStateChanged(Item item){
        if(item == input){
            String data = input.getString();
            String[] result = controller.getResult(data);
            controller.displayResult(result);
        }
    }
}