After you create a project based on XCODE5, you will find the emulator a bit uncomfortable. Early simulators, that can really be called quasi-materialized, like a mobile phone look. While the XCODE5 simulator is running, it is a whiteboard, and it is a big whiteboard. Even the home key is gone. The first thing to do is to adjust the size of the simulator. Command + R Simulator after running, then press COMMAND + 1, command+2, command+3, try. You will find that the size of the simulator has changed. In fact, the simulator is still the simulator, but it is just a scale. The operation method is as follows: summary: simulator appearance, is not really like a mobile phone, does not matter. The important thing is that the simulator must truly reflect the layout of the UI. From this perspective, XCode did it, without compromising.
iOS simulator too large how to resize the emulator for XCODE5