[montooshah]

Hi Guys;
I am facing this stranger problem. I have a class GameCanvas extending FullCanvas. From this class i am making call to GamePlay class. After implicit call to contructor I am making call to onf of it's method and passing Graphics Object to it. This method in turn calls : public void drawgame(Graphics g). In this method I am drawing many Images, but at particular instance I am getting the problem

java.lang.NullPointerException
MirrorProtocolParser.invokeMethod(Method, Object[]): Failure!
--- Error while invoking reflected method : drawImage
--- Target exception was:java.lang.NullPointerException
at com.nokia.phone.sdk.concept.mirrors.lcdui.Graphics.drawImage([DashoPro-V1.32-013000])
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

I have checked it thropughly this variable is holding ImageFile , but still it is giving problem.

Code of method is given below:

public void drawgame(Graphics g)
{

g.drawImage(intfImg, 0, 0, 20);
boolean flag = false;
boolean flag1 = false;
int k = 0;
for(int l = 1; l < gridW - 1; l++)
{

for(int i1 = 1; i1 < gridH - 1; i1++)
{

if(boardArr[l][i1] > 0)
k = boardArr[l][i1] - 1;
int i = Xcord + (l - 1) * blockWidth;
int j = Ycord + (i1 - 1) * blockWidth;
g.setColor(255, 255, 255);
g.fillRect(i, j, blockWidth, blockWidth);
g.setColor(0x635dad);
g.drawRect(i, j, blockWidth, blockWidth);
if(boardArr[l][i1] > 0 && boardArr[l][i1] != 99)
{

try
{
g.drawImage(shellImg[k], i -20 , j -20 , 20); // Here is the Problem..............................//
}
catch(Exception e)
{
System.out.println("Error: " + e);
}

g.setColor(0x635dad);
g.drawRect(i, j, blockWidth, blockWidth);

}
if(l == selX && i1 == selY)
{
g.setColor(0, 0, 255);
g.drawRect(i + 1, j + 1, blockWidth - 2, blockWidth - 2);
g.drawRect(i, j, blockWidth, blockWidth);
}
if(l == chosenX[0] && i1 == chosenY[0])
{
g.setColor(255, 0, 0);
g.drawRect(i + 2, j + 2, blockWidth - 4, blockWidth - 4);
}
if(l == chosenX[1] && i1 == chosenY[1])
{
g.setColor(255, 0, 0);
g.drawRect(i + 2, j + 2, blockWidth - 4, blockWidth - 4);
}
if(boardArr[l][i1] == 0 || boardArr[l][i1] == 99)
g.drawImage(dropImage, i + 1, j + 1, 20);

}

}


}

If I commant the line which is giving me problem it draw all Images. But it is not giving me right output. This line is imortant and

problemetic. Pl help me out. It is very urgent.
-Hemal montooshah@rediffmail.com, monts120@yahoo.com.

[grahamhughes]

On what are you having this problem?

I get the same problem when using the Series 40 Concept SDK emulator, though the same code will work on the 7210 emulator and my real 6100.

So I don't use the Concept SDK emulator any more!

Graham.