Classic user interface principals
Here are some core guidelines which every user interface should follow. These guidelines are what will keep your users happy, and ensure your application is successful. Throughout the rest of the book, we'll be walking through these guidelines with practical examples of improvements that can be made to a user interface.
This is the cornerstone of good user interface design. A button should look like a button. Make sure that the layout of each screen has a relationship with every other screen in your application. People often mistake this principle for "stick to the platform look and feel". Look and feel is important, consistency mostly applies to the layout and overall experience of the application, ...