$Apple(AAPL)$ Apple software chief Craig Federighi said in an interview that he is excited to see what developers will do with the hinge mechanism in the iPhone Duo. He mentioned an API that lets developers read the hinge angle with around five degrees of accuracy, along with what Apple calls the "pose" of the device. Apple itself uses the hinge angle in a number of ways, including a feature that caught on quickly: the outer screen defocuses into a preview of the inner one as you open the phone. He described the feature as subtle but magical.
Federighi also said he is confident developers will find creative and exciting uses for the hinge information, similar to what they have done with other iPhone data Apple has exposed. He noted Apple has worked to make it easier for developers to build apps that take full advantage of the iPhone Duo's capabilities, and that Apple supports agentic coding tools to help developers adapt existing apps almost completely automatically.
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