viewimageui.java

《j2me开发精解〉（詹健飞）CD-rom附带源码。用netbeans

package com.j2medev.ch8.mmapi;

import javax.microedition.lcdui.*;

public class ViewImageUI extends Form implements CommandListener{
    
    private PowerCamera camera = null;
    private byte[] image = null;//存储原始大小的图片
    private TextField title = new TextField("图片标题：", "", 30, TextField.ANY);
    private Command saveCommand = new Command("保存到我的相册",Command.OK, 1);
    private Command backCommand = new Command("返回",Command.BACK, 2);

    public ViewImageUI(PowerCamera pc,byte[] img) {
        super("图片浏览");
        this.camera = pc;
        this.image = img;
        Image temp = null;
        //将拍照的图片显示给用户
        temp = Image.createImage(image, 0, image.length);
        this.append(temp);
        this.append(title);
        this.addCommand(saveCommand);
        this.addCommand(backCommand);
        this.setCommandListener(this);
        
    }
    
    public void commandAction(Command cmd,Displayable displayable){
        if(cmd == backCommand){
            camera.back();
        }else if(cmd == saveCommand){
            //创建Picture对象 保存到RMS中
            String label = title.getString();
            Picture pic = new Picture(label, image);
            camera.savePicture(pic);
        }
    }
}