How to turn on flashlight and front camera at the same time in android

Question

In one of the requirement in my app I need to pop up an activity containing the front camera preview,at this same time I need to turn on the flashlight as well.However I obs

Answer 1

The following code checks for the availability of a front camera:

private Camera openFrontFacingCameraGingerbread() {
    int cameraCount = 0;
    Camera cam = null;
    Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
    cameraCount = Camera.getNumberOfCameras();
    for (int camIdx = 0; camIdx < cameraCount; camIdx++) {
        Camera.getCameraInfo(camIdx, cameraInfo);
        if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
            try {
                cam = Camera.open(camIdx);
            } catch (RuntimeException e) {
                Log.e(TAG, "Camera failed to open: " + e.getLocalizedMessage());
            }
        }
    }

    return cam;
}

Then add the following permissions in the AndroidManifest.xml file:

Note: This feature is available in Gingerbread(2.3) and Up Android Version.

I recommend using surfaceView like in this example to implement a working flashlight.

Hope this helps :)