?? splashscreen.java
字號:
import javax.microedition.lcdui.*;
class SplashScreen extends Canvas implements Runnable
{
private final escapeeMIDlet midlet;
private Image splashImage;
private volatile boolean dismissed = false;
SplashScreen( escapeeMIDlet midlet)
{
this.midlet = midlet;
setFullScreenMode(true);
splashImage = escapeeMIDlet.createImage("/splash.png");
new Thread(this).start();
}
public void run()
{
synchronized(this)
{
try
{
wait(3000L); // 3 seconds
}
catch (InterruptedException e)
{
// can't happen in MIDP: no Thread.interrupt method
}
dismiss();
}
}
public void paint(Graphics g)
{
int CanvasWidth = getWidth();
int CanvasHeight = getHeight();
g.setColor(0x00FFFFFF); // white
g.fillRect(0, 0, CanvasWidth, CanvasHeight);
g.setColor(0x00FF0000); // red
g.drawRect(1, 1, CanvasWidth-3, CanvasHeight-3); // red border one pixel from edge
if (splashImage != null)
{
g.drawImage(splashImage,
CanvasWidth/2,
CanvasHeight/2,
Graphics.VCENTER | Graphics.HCENTER);
splashImage = null;
}
g.setFont(Font.getFont(Font.FACE_PROPORTIONAL,
Font.STYLE_BOLD,
Font.SIZE_LARGE));
int centerX = CanvasWidth / 2;
int centerY = CanvasHeight / 2+60;
g.setColor(0x00FFFFFF); // white
drawText(g, centerX, centerY - 1);
drawText(g, centerX, centerY + 1);
drawText(g, centerX - 1, centerY);
drawText(g, centerX + 1, centerY);
g.setColor(0x00000000); // black
drawText(g, centerX, centerY);
midlet.splashScreenPainted();
}
private void drawText(Graphics g, int centerX, int centerY)
{
int fontHeight = g.getFont().getHeight();
int textHeight = 2 * fontHeight;
int topY = centerY - textHeight / 2;
g.drawString("逃亡者游戲",
centerX,
topY,
Graphics.HCENTER | Graphics.TOP);
g.drawString("版本: " + midlet.getAppProperty("MIDlet-Version"),
centerX,
topY + fontHeight,
Graphics.HCENTER | Graphics.TOP);
}
public synchronized void keyPressed(int keyCode)
{
dismiss();
}
private void dismiss()
{
if (!dismissed)
{
dismissed = true;
midlet.splashScreenDone();
}
}
}
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