无法加载图片

Question

I've been trying to load this image.png file that's located in my images folder:

In eclipse I've made a folder in my src folder called images and put the image there, so it should be part of my classpath.

However, when I try to use this image it does not work:

I've tried these:

Image image; 
String craft = "myApp/src/images/image.png";
ImageIcon ii = new ImageIcon(craft); 
        image = ii.getImage();

Image image; 
String craft = "myApp/src/images/image.png"; 
ImageIcon ii = new ImageIcon(this.getClass().getResource(craft));
        image = ii.getImage();

And various variations for String craft:

"images/image.png", "/images/image.png", "/myApp/src/images/image.png"

Answer 1

If you have the image in:

src/images/foo.png

And use this code:

ImageIcon ii = new ImageIcon("images/foo.png");
Image image = ii.getImage();
System.out.println(image != null);

The output will be:

true

... that is, the Image is not null ... ... if your classpath is the default build path eclipse provides when creating your project (note: should be the same with Netbeans, etc.).

If you're using a different building script, be it Ant or Maven, you might need to change the path. You will certainly if it's a web application.

Additional notes

• Here is a good SO thread on resource paths for web applications.
• Here is the typical Maven folder layout - useful to get you started if you use Maven as your build/package script.

Answer 2

Whenever you are trying to load a resource in classpath, you need to specify the correct relative path. if you have your images folder in classpath as that of the classes, then you have to load it as follows

String craft = "images/image.png"; 
ImageIcon ii = new ImageIcon(this.getClass().getResource(craft));

or if you have all the files in images folder in classpath, you can just specify the file name directly as well

   String craft = "image.png"; 
    ImageIcon ii = new ImageIcon(craft);

So, i am sure the path you have given is wrong and that's why the resource is not getting loaded

Answer 3

Try this out

String craft = "images/image.png"; 
ImageIcon ii = new ImageIcon(craft);

File structure

ProjectRoot
          images
               imgage.png
          src
          bin