Delicious Delivery: May 2013

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http://snk.to/f-ctm2u2y8
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FOR IMAGE MOVE

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package edu.amplify.canvas;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.midlet.*;
import java.lang.*;
import javax.microedition.lcdui.Font;

/**
* @author P.HINDUJA
*/
public class MyImageCanvas extends MIDlet {

Display disp;
Image im;
MyImageView miv;

public MyImageCanvas() {
disp = Display.getDisplay(this);
try {
im = Image.createImage("/splashScreen.png");
} catch (Exception e) {
System.out.println(e.toString());
}
miv = new MyImageView(im);
}

public void startApp() {
disp.setCurrent(miv);
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}
}

class MyImageView extends Canvas {

Image img;
String str;
int px, py;

public MyImageView(Image i) {
img = i;
str = "PRESS ANY ACTION KEY";
// getGameAction(UP);
px = getWidth()/2;
py = getHeight()/2;
}

protected void paint(Graphics g) {
// g.setGrayScale(255);
g.setColor(255, 0, 0);
g.fillRect(0, 0, getWidth(), getHeight());
g.drawImage(img, px,
py, g.HCENTER | g.VCENTER);
System.out.println("WIDTH >>> " + getWidth());
System.out.println("HEIGHT >>> " + getHeight());

g.setColor(255, 255, 255);
g.setFont(Font.getFont(Font.FACE_SYSTEM,
Font.STYLE_BOLD, Font.SIZE_LARGE));
g.drawString(str, getWidth() / 2, 0,
Graphics.TOP | Graphics.HCENTER);
// throw new UnsupportedOperationException("Not supported yet.");
}

protected void keyPressed(int keyCode) {
int gameAction = getGameAction(keyCode);
switch (gameAction) {
case UP:
str = "UP PRESSED";
py-=10;
repaint();
break;
case DOWN:
str = "DOWN PRESSED";
py+=10;
repaint();
break;
case LEFT:
str = "LEFT PRESSED";
px-=10;
repaint();
break;
case RIGHT:
str = "RIGHT PRESSED";
px+=10;
repaint();
break;
case FIRE:
str = "FIRE PRESSED";
px=getWidth()/2;
py=getHeight()/2;
repaint();
break;
case KEY_POUND:
str = "HASH KEY PRESSED";
repaint();
break;
case KEY_STAR:
str = "STAR KEY PRESSED";
repaint();
break;
}
super.keyPressed(keyCode);
}
}
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FOR RANDOM IMAGES

package hello;

import java.util.Random;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class HelloMIDlet extends MIDlet implements CommandListener {

private Command exitCommand; // The exit command
private Display display; // The display for this MIDlet
private MyImageCanvas ic;

public HelloMIDlet() {
display = Display.getDisplay(this);
exitCommand = new Command("Exit", Command.EXIT, 0);

}

public void startApp() {
ic = new MyImageCanvas(/*20, 20*/);
ic.addCommand(exitCommand);
ic.setCommandListener(this);
display.setCurrent(ic);

for(int i=0; i<20; i++){
try{
Thread.sleep(2000);
} catch(Exception e){}
// ic = new MyImageCanvas(100, 100);
// display.setCurrent(ic);
ic.repaint();
}
// try{
// Thread.sleep(3000);
// } catch(Exception e){}
// ic = new MyImageCanvas(200, 200);
// display.setCurrent(ic);
// ic.repaint();
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(false);
notifyDestroyed();
}
}
}

class MyImageCanvas extends Canvas {

Image img;
// int xp, yp;

public MyImageCanvas(/*int x, int y*/) {
try{
img = Image.createImage("/Duke.png");
// xp = x;
// yp = y;
} catch(Exception e){
System.out.println(e.toString());
}
}

protected void paint(Graphics g) {
int Xstart = img.getWidth()/2;
Random rx = new Random();
int Xmax = getWidth()-(img.getWidth()/2);
int xr = rx.nextInt(Xmax);
if (xr < Xstart)
xr=Xstart;

int Ystart = img.getHeight()/2;
Random ry = new Random();
int Ymax = getHeight()-(img.getHeight()/2);
int yr = ry.nextInt(Ymax);
if (yr < Ystart)
yr=Ystart;

Random rcolor = new Random();
int rc = rcolor.nextInt(255);
int gc = rcolor.nextInt(255);
int bc = rcolor.nextInt(255);

g.setColor(rc, gc, bc);
g.fillRect(0, 0, getWidth(), getHeight());
g.drawImage(img, xr,
yr, g.HCENTER|g.VCENTER);

// for(int i=0; i<20; i++){
// g.drawImage(img, getWidth()/4,
// (getHeight()/4)+(i*50),
// g.HCENTER|g.VCENTER);
// g.drawImage(img, (getWidth()/4)+(i*70),
// 3*(getHeight()/4),
// g.HCENTER|g.VCENTER);
// }

// throw new UnsupportedOperationException("Not " +
// "supported yet.");
}
}

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FOR RECORD MANAGEMENT

package hello;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.RecordStore;

public class HelloMIDlet extends MIDlet implements CommandListener {

private Command exitCommand,save; // The exit command
private Display display; // The display for this MIDlet
TextField txtname,txtage,txtemail;
Form register;
Form blank;
RecordStore rs;

public HelloMIDlet() {
display = Display.getDisplay(this);
register=new Form("Register Form");
blank=new Form("Welcome");
save=new Command("Save", Command.SCREEN, 1);
exitCommand = new Command("Exit", Command.EXIT, 0);
txtname=new TextField("Name", "", 20, TextField.ANY);
txtage=new TextField("Age", "", 20, TextField.NUMERIC);
txtemail=new TextField("Email", "", 20, TextField.ANY);
try {
rs=RecordStore.openRecordStore("reg", true);
} catch (Exception e) {
}
}

public void startApp() {
display.setCurrent(register);
register.append(txtname);
register.append(txtage);
register.append(txtemail);
register.setCommandListener(this);
register.addCommand(save);
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(false);
notifyDestroyed();
} else if(c == save)
{
display.setCurrent(blank);

try {
rs.addRecord(txtname.getString().getBytes(), 0, txtname.getString().length());
rs.addRecord(txtage.getString().getBytes(), 0, txtage.getString().length());
rs.addRecord(txtemail.getString().getBytes(), 0, txtemail.getString().length());
for(int i=1;i<=rs.getNumRecords();i++)
{

byte[] text=rs.getRecord(i);
String name= new String(text);
blank.append("\n"+name);
}

} catch (Exception e) {
}

}
}

}
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FOR TEXT PROG.

package hello;

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

public class HelloMIDlet extends MIDlet implements CommandListener {

private Command exitCommand, mm; // The exit command

private Display display; // The display for this MIDlet

Form page1;

TextField txt;

Alert a1;

public HelloMIDlet() {

display = Display.getDisplay(this);

exitCommand = new Command("Exit", Command.EXIT, 0);

mm = new Command("SHOW", Command.SCREEN, 0);

txt = new TextField("write", null, 20, TextField.ANY);

page1 = new Form("welcome");

//a1 = new Alert("" + txt.getString().toString());

}

public void startApp() {

display.setCurrent(page1);

page1.append(txt);

page1.setCommandListener(this);

page1.addCommand(mm);

}

public void pauseApp() {

}

public void destroyApp(boolean unconditional) {

}

public void commandAction(Command c, Displayable s) {

if (c == exitCommand) {

destroyApp(false);

notifyDestroyed();

} else if (c == mm){

a1 = new Alert("" + txt.getString().toString());

display.setCurrent(a1);

}

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FOR PREVIOUS NEXT

package hello;

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

public class HelloMIDlet extends MIDlet implements CommandListener {

private Command exitCommand, prev, next; // The exit command

private Display display; // The display for this MIDlet

Form page1, page2;

public HelloMIDlet() {

display = Display.getDisplay(this);

exitCommand = new Command("Exit", Command.EXIT, 0);

prev = new Command("PREV", Command.SCREEN, 0);

next = new Command("NEXT", Command.SCREEN, 0);

page1=new Form("Welcome");

page2=new Form("GO BACK...!");

}

public void startApp() {

display.setCurrent(page1);

page1.setCommandListener(this);

page1.addCommand(prev);

}

public void pauseApp() {

}

public void destroyApp(boolean unconditional) {

}

public void commandAction(Command c, Displayable s) {

if (c == exitCommand) {

destroyApp(false);

notifyDestroyed();

} else if(c == next){

page2.setCommandListener(this);

page2.addCommand(prev);

display.setCurrent(page2);

} else if (c == prev){

page1.setCommandListener(this);

page1.addCommand(next);

display.setCurrent(page1);

}

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Delicious Delivery

Saturday, May 04, 2013

J2ME

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