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The final step is to build and run the application. In order to fully test the pinching and rotation recognition it will be necessary to run the application on a physical device (since it is not possible to emulate two simultaneous touches within the iOS Simulator environment). Assuming provisioned device is attached (see [[Testing iOS 4 Apps on the iPhone – Developer Certificates and Provisioning Profiles (Xcode 4)|Testing iOS 4 Apps on the iPhone – Developer Certificates and Provisioning Profiles]] for more details) simply click on the Xcode Run button. Once the application loads perform the appropriate gestures on the display and watch the status label update accordingly.
<google>BUY_IOS4XC4_BOTTOM</google>
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<td width="20%">[[Identifying iPhone Gestures using iOS 4 Gesture Recognizers (Xcode 4)|Previous]]<td align="center">[[iPhone iOS 4 Development Essentials Xcode 4 Edition|Table of Contents]]<td width="20%" align="right">[[Drawing iOS 4 iPhone 2D Graphics with Quartz (Xcode 4)|Next]]</td>
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<td width="20%">Identifying iPhone Gestures using iOS 4 Gesture Recognizers (Xcode 4)<td align="center"><td width="20%" align="right">Drawing iOS 4 iPhone 2D Graphics with Quartz (Xcode 4)</td>
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