function.java

手机控制邮件以及附件的发送

package remote.display;


// standard
import java.io.ByteArrayInputStream;
import java.util.Hashtable;
import java.util.Stack;

//micro edition
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import java.io.*;

class Function extends GameCanvas implements Runnable{
	int screenWidth;
	int screenHeight;
	private Graphics g;
	public Thread thread;
	int choice;
	String file_transfer, setting, help, exit;
	public boolean select_pressed;
	Font font_label;
	DisplayMain main;

	protected Function(DisplayMain m) {
		super(true);
		screenWidth=128;
		screenHeight=160;
		font_label = Font.getFont (Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_MEDIUM);
		main =m;
		setFullScreenMode(true);
		thread =new Thread(this);
		thread.start();
		g = this.getGraphics();
		draw();
	}

	public void draw() {
		choice =0;
		draw_choice(choice);
	}
	public void draw_choice(int c) {
		g.setColor(255,255,255);
		g.fillRect(0,0,screenWidth,screenHeight);
		draw_image ("function_bg.png", screenWidth, screenHeight,Graphics.BOTTOM|Graphics.RIGHT);
		g.setColor(255,190,33);
		g.fillRect(0,screenHeight/7,screenWidth,2);
		g.setFont(font_label);
		g.setColor(0,0,0);

		file_transfer="file_transfer_small.png";
		setting= "setting_small.png";
		help= "help_small.png";
		exit = "exit_small.png";

		if (c ==0) {
			file_transfer="file_transfer_large.png";
			g.drawString("File Transfer", screenWidth/2, 4, Graphics.TOP|Graphics.HCENTER);
			draw_image("select_shade.png",screenWidth/3/2-1,screenHeight/7+5 + screenHeight*6/7/3/2 , Graphics.VCENTER|Graphics.HCENTER);
		}
		if (c==1) {
			setting= "setting_large.png";
			g.drawString("Setting", screenWidth/2, 4, Graphics.TOP|Graphics.HCENTER);
			draw_image("select_shade.png",screenWidth/3/2+screenWidth/3-1,screenHeight/7+5 + screenHeight*6/7/3/2 , Graphics.VCENTER|Graphics.HCENTER);
		}
		if (c ==2) {
			help= "help_large.png";
			g.drawString("Help", screenWidth/2, 4, Graphics.TOP|Graphics.HCENTER);
			draw_image("select_shade.png",screenWidth/3/2+(screenWidth/3)*2-1,screenHeight/7 +5+ screenHeight*6/7/3/2, Graphics.VCENTER|Graphics.HCENTER);
		}
		if (c ==3) {
			exit = "exit_large.png";
			g.drawString("Exit", screenWidth/2, 4, Graphics.TOP|Graphics.HCENTER);
			draw_image("select_shade.png",screenWidth/3/2-1,screenHeight/7+5 + screenHeight*6/7/3/2+screenHeight*6/7/3, Graphics.VCENTER|Graphics.HCENTER);
		}
		draw_image(file_transfer ,screenWidth/3/2,screenHeight/7+5 + screenHeight*6/7/3/2 , Graphics.VCENTER|Graphics.HCENTER);
		draw_image(setting ,screenWidth/3/2+screenWidth/3,screenHeight/7+5 + screenHeight*6/7/3/2 , Graphics.VCENTER|Graphics.HCENTER);
		draw_image(help ,screenWidth/3/2+(screenWidth/3)*2,screenHeight/7+5 + screenHeight*6/7/3/2 , Graphics.VCENTER|Graphics.HCENTER);
		draw_image(exit ,screenWidth/3/2,screenHeight/7+5 + screenHeight*6/7/3/2+screenHeight*6/7/3 , Graphics.VCENTER|Graphics.HCENTER);
		flushGraphics();
	}


	private void draw_image(String image_name, int x, int y, int anchor){
		Image pic =null;
		try{
			pic =Image.createImage("/"+image_name);
		} catch (IOException e) {
			System.out.println ("load png resource error" + e.getMessage());
		}
		g.drawImage (pic, x, y, anchor);
	}

	public void key_Pressed() {
		int keyState =getKeyStates();
		if ((keyState & UP_PRESSED) !=0) {
			if (choice ==3) {
				choice =0;
			}else{
				choice =3;
			}
			draw_choice(choice);
		}
		if ((keyState & DOWN_PRESSED) !=0) {
			if (choice ==3) {
				choice =0;
			}else{
				choice =3;
			}
			draw_choice(choice);
		}
		if ((keyState & LEFT_PRESSED) !=0) {
			choice --;
			if (choice <0) {
				choice =3;
			}
			draw_choice(choice);
		}
		if ((keyState & RIGHT_PRESSED) !=0) {
			choice ++;
			if (choice >3) {
				choice =0;
			}
			draw_choice(choice);
		}
		if ((keyState & FIRE_PRESSED) !=0) {
			select_pressed =true;
			if (choice ==3) {
				main.destroyApp(false);
				main.notifyDestroyed();
			}
			if (choice ==0) {
				main.update_filelist(-1);
			}
			if (choice ==2) {
				main.help_screen();
			}
			if (choice ==1) {
				if (main.sound_setting == true) {
					main.setting_screen("Open", main.default_ip);
				}
				if (main.sound_setting == false) {
					main.setting_screen("Close", main.default_ip);
				}
			}
		}
	}

	public void run() {
		while (!select_pressed) {
			key_Pressed();
			try {
				Thread.sleep(20);
			}catch (InterruptedException ie) {}
		}
	}
}