readinfoform.java

来自「一个手机上的IM 即时通信工具完整代码 J2ME项目」· Java 代码 · 共 62 行

package myim.ui;

import javax.microedition.lcdui.*;
/**
 * 阅读信息界面
 */
public class ReadInfoForm extends Form implements CommandListener {
    /**显示控制对象*/
    private Display display;
    /**用户名*/
    private String userName;
    /**用户列表界面*/
    private UserList ul;
    /**用户id*/
    private String id;

    /**用户信息*/
    private String[] msg;
    /**返回按钮*/
    private Command cmdBack;
    /**回复按钮*/
    private Command cmdReply;

    public ReadInfoForm(Display display,String userName,String[] msg,UserList ul,String id) {
        super(userName);

        this.display = display;
        this.userName = userName;
        this.msg = msg;
        this.ul = ul;
        this.id = id;

        initUI();
    }

    private void initUI() {
        //注册事件监听器
        setCommandListener(this);
        cmdBack = new Command("返回",Command.BACK,1);
        cmdReply = new Command("回复",Command.OK,1);

        addCommand(cmdBack);
        addCommand(cmdReply);

        //初始化信息
        for(int i = 0;i < msg.length;i++){
            append(msg[i]);
        }
    }

    public void commandAction(Command c, Displayable d) {
        //返回按钮
        if(c == cmdBack){
            display.setCurrent(ul);
        }
        //回复按钮
        if(c == cmdReply){
            display.setCurrent(new SendInfoForm(display,userName,id,this));
        }
    }
}