//ExampleTiledLayer.java
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class ExampleTiledLayer extends MIDlet {
private Display display;
public void startApp() {
try {
display=Display.getDisplay(this);
ExampleGameCanvas gameCanvas = new ExampleGameCanvas();
gameCanvas.start();
display.setCurrent(gameCanvas);
} catch (Exception ex) {
System.out.println(ex); }
}
public Display getDisplay() {
return display;
}
public void pauseApp() { }
public void destroyApp(boolean unconditional) {
exit();
}
public void exit() {
System.gc();
destroyApp(false);
notifyDestroyed(); }
}

//ExampleGameCanvas.java
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
public class ExampleGameCanvas extends GameCanvas implements Runnable {
private boolean isPlay; // Game Loop runs when isPlay is true
private long delay; // To give thread consistency
private int width; // To hold screen width
private int height; // To hold screen height
// Layer Manager
private LayerManager layerManager;
// TiledLayer
private TiledLayer tiledBackground;
// Constructor and initialization
public ExampleGameCanvas() throws Exception {
super(true);
width = getWidth();
height = getHeight();
delay = 20;
//tiledBackground = initBackground();
layerManager = new LayerManager();
layerManager.append(new Image("Tiles.jpeg"));
//layerManager.append(tiledBackground);
}
// Automatically start thread for game loop
public void start() {
isPlay = true;
Thread t = new Thread(this);
t.start();
}
public void stop() {
isPlay = false;
}
// Main Game Loop
public void run() {
Graphics g = getGraphics();
while (isPlay == true) {
input();

drawScreen(g);
try {
Thread.sleep(delay);
} catch (InterruptedException ie) { }
}
}
// Method to Handle User Inputs
private void input() {
// no inputs
}
// Method to Display Graphics
private void drawScreen(Graphics g) {
g.setColor(0xffffff);
g.fillRect(0, 0, getWidth(), getHeight());
g.setColor(0x0000ff);
layerManager.paint(g,0,0);
flushGraphics();
}
private TiledLayer initBackground() throws Exception {
Image tileImages = Image.createImage("/tiles.png");
TiledLayer tiledLayer = new TiledLayer(10,10,tileImages,32,32);
int[] map = { 5, 1, 1, 4, 1, 1, 1, 1, 1, 6, 5, 1, 3, 1, 1, 3, 1, 1, 1, 6, 5, 1, 2, 1, 1, 2, 1, 1, 1, 6, 5, 1, 2, 3, 1, 2, 1, 1, 1, 6, 5, 1, 4, 2, 1, 2, 1, 1, 1, 6, 5, 1, 1, 4, 1, 2, 1, 1, 1, 6, 5, 1, 1, 1, 1, 4, 1, 1, 1, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 6 };
for (int i=0; i < map.length; i ) {
int column = i % 10;
int row = (i - column) / 10;
tiledLayer.setCell(column,row,map[i]);
}
return tiledLayer;
}
}