Camera.open() returns null

Question

When I call mCamera = Camera.open() it returns null, what could be causing this? My device is the Nexus 7.

I already have the permissions set in my

Answer 1

I solved this issue by following below steps.

1. Open the "AVD Manager" and select the virtual device you are using

2. Click on the "Edit" button

3. In the "Hardware" section, select "New" and add "Configures camera facing back" and click Ok.

4. In the dropdown next to the entry, select "webcam0" or the one corresponding to the camera you want to use

5. Stop the AVD and restart again.