Android custom camera for auto focus and manual focus

Android custom camera realizes automatic focusing and manual focusing: it does not call the system camera, because the interface presented by different machines when opening the camera is not unified and can not meet the requirements. Therefore, in order to make the program present a unified interface on different machines and layout according to requirements, this demo is made.

The program implementation code is as follows:

classes_ activity_ The takephoto.xml code is as follows:

Add corresponding permissions to the manifest file:

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