added in API Level 11
Specifies the type of layer backing this view. The default value is none.
Ensure to change the minSDKVersion to 11, or greater.
android:layerType = "none"
android:layerType = "software"
android:layerType = "hardware"
none - Don't user a layer.
software - Use a software layer.
hardware - Use a hardware layer.
Resources:
http://developer.android.com/reference/android/view/View.html#attr_android:layerType
http://developer.android.com/reference/android/R.attr.html#layerType
