DefaultUIService: get App from AppService

Author: ctrueden

src/main/java/org/scijava/ui/DefaultUIService.java

@@ -288,20 +288,20 @@ public DisplayViewer<?> getDisplayViewer(final Display<?> display) {
 
 	@Override
 	public DialogPrompt.Result showDialog(final String message) {
-		return showDialog(message, getApp().getTitle());
+		return showDialog(message, getTitle());
 	}
 
 	@Override
 	public Result showDialog(final String message, final MessageType messageType)
 	{
-		return showDialog(message, getApp().getTitle(), messageType);
+		return showDialog(message, getTitle(), messageType);
 	}
 
 	@Override
 	public Result showDialog(final String message, final MessageType messageType,
 		final OptionType optionType)
 	{
-		return showDialog(message, getApp().getTitle(), messageType, optionType);
+		return showDialog(message, getTitle(), messageType, optionType);
 	}
 
 	@Override
@@ -505,4 +505,8 @@ private void addUserInterface(final String name, final UserInterface ui) {
 		if (name != null && !name.isEmpty()) uiMap.put(name, ui);
 	}
 
+	private String getTitle() {
+		return appService.getApp().getTitle();
+	}
+
 }