Bug 56047 SWT Example Launcher does not run standalone apps
M8 Install the example plugins Start Eclipse Switch to the SWT Example Launcher view Select AddressBook in Standalone Click Run Nothing happens.
examples/org.eclipse.swt.examples.launcher/src/org/eclipse/swt/examples/launcher/ItemDescriptor.java
private String mainType;
	private String pluginId;
	
	
	/**
	 * Constructs an ItemDescriptor.
	 *
	 * @param id the id
	 * @param name the name
	 * @param description the description
	 * @param icon the icon
	 * @param view the host view may be null if it is a standalone application
	 * @param mainType the fully qualified class name to run may be null if it is a view
	 * @param pluginId the name of the plugin which contains the main class
	 */
	public ItemDescriptor(String id, String name, String description,
		Image icon, String view, String mainType, String pluginId) {
		this.id = id;
		this.name = name;
		this.description = description;
		this.icon = icon;
		this.view = view;
		this.mainType = mainType;
		this.pluginId = pluginId;
	}
	/**
	 * Returns the ID for this program.
	 *
	 * @return the user-specified ID for this program
	 */