Xcode 15 allows you to preview your iOS app's user interface as you build it. Here's how to use it to see how your app appears to users. Xcode 15 introduced UI Previews which allow you to view what ...

A few minutes ago Apple released the fifth developer preview of Xcode 4 to developers. It’s available in the Mac and iOS Dev Center. The release comes a month after the fourth developer preview. This ...

There is new command-line tool for measuring an application’s performance without launching the Instruments application: iprofiler. After making the measurements ...