activity_main.xml has LinearLayout now
+ImageView tag in xml
+Button tag in xml
+menu/main.xml
+inflating of the menu; +item click handling; +minor refactoring
+empty onTakePhotoButtonClickListener
+camera permission and feature in manifest
+basic taking of photos
minor refactoring
MainActivity renamed in CameraActivity
+updateUI()
preview of the photo is kept across configuration changes
fixed a typo
item_save is now enabled or disabled depending on whether the photo taken already
+saving photos