Camera focus distances

Question

I\'m trying to read the focus distance (distance of subject in a photo) from an Android camera. I keep getting 0 for all focus distances on my HTC Desire even when it correc

Answer 1

In Froyo, frameworks/base/core/jni/android_hardware_Camera.cpp implements native_autoFocus() by calling android_hardware_Camera_autoFocus(), which appears to bind at runtime to the device/vendor specific code.

Unfortunately, "If the camera does not support auto-focus and autoFocus is called, onAutoFocus will be called immediately with a fake value of success set to true." is a documented behavior.

I'm curious which of the functions you use requires 2.3.3, API level 10.