ios4.1

iPhone iOS4: API for AVRCP (ff/rewind commands on Bluetooth headsets)

Hi, I know that AVRCP abilities were added to iOS 4.1 (in iPod application now you can forward and rewind songs by using hardware buttons on supporting headsets). I am trying to find any API for using these abilities in a music application that I work on. The requirement is to catch play/stop, forward and rewind buttons events from th...

Does CGContextRotateCTM rotate on different rotational speeds on simulator and device?

I have a project where it rotates 2 spindles 360 degrees both at different speeds over time. I have noticed that it runs well on simulator but when I test it on a device it is significantly slower. The timing taken to make the first 3 full rotations on the simulator and the device are: On Simulator: 7.0, 7.2, 7.2 On Device: 19.3, 19.5,...