ios - How to detect current orientation to rotate UIImage? -

i implement taking photo function , i'm having following issue.

after taking photo, have crop thumbnail original image make avatar icon. it's not if user takes photo in landscape.

step:

1. turn on camera.
2. rotate iphone right (so camera in landscape mode).
3. take picture.
4. i uiimage bad orientation. therefore, thumbnail not good.

how can detect orientation rotate uiimage?

try below code

if (image.size.width > image.size.height ) // landscape     {      } else   // portrait     {      }