Using the Eclipse projects for ddms. ddms requires SWT to compile. SWT is available in the depot under //device/prebuild/<platform>/swt Because the build path cannot contain relative path that are not inside the project directory, the .classpath file references a user library called ANDROID_SWT. In order to compile the project, make a user library called ANDROID_SWT containing the jar available at //device/prebuild/<platform>/swt.