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To remember the user's layout and window size for the next time you start your application, add configurer.setSaveAndRestore(true); to the initialize method of ApplicationWorkbenchAdvisor.

				
package addactiontoview;

import org.eclipse.ui.application.IWorkbenchConfigurer;
import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
import org.eclipse.ui.application.WorkbenchAdvisor;
import org.eclipse.ui.application.WorkbenchWindowAdvisor;

public class ApplicationWorkbenchAdvisor extends WorkbenchAdvisor {

	private static final String PERSPECTIVE_ID = "AddActiontoView.perspective";

	public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(
			IWorkbenchWindowConfigurer configurer) {
		return new ApplicationWorkbenchWindowAdvisor(configurer);
	}

	public String getInitialWindowPerspectiveId() {
		return PERSPECTIVE_ID;
	}

	@Override
	public void initialize(IWorkbenchConfigurer configurer) {
		super.initialize(configurer);
		configurer.setSaveAndRestore(true);
	}

}

			

Eclipse has a pre-defined command to reset the perspective. See Eclipse Commands .

The plugin ID is usually needed in several places, so it is a good idea to declare it as static in Application.java. This ID must be the same as defined in the field "ID" of the overview tab of plugin.xml. The ID is case sensitive.

In our example if the RCP application is called "de.vogella.rcp.intro.first" therefore add the following statement to Application.java.

				
public static final String PLUGIN_ID = "de.vogella.rcp.intro.first";

			

In the file plugin.xml (tab dependencies) you define on which plugins your plugin depends. Of course you should only define the required plugins here. You can check if you have any dependency maintained which is actually not used, by selecting Dependency Analysis -> Find unused dependencies.