Exception raised during rendering: java.lang.System.arraycopy

Solution 1:

this problem happened on API 20 ( Android 4.4 W ) I recently have a problem with that but Problem will be solved by changing Android version to use for rendering level form API 20 ( Android 4.4 W ) to API 19 (Android 4.4.2) ( android icon in top right corner of graphical layout ) or update your SDK to Android L ( API 20 L preview )

Screen Shot :

Solution 2:

Android Wear is a wrist watch and you cannot type anything in it so you cannot use EditText on 4.4W. Change the API to 19 or less or change it to 4.4L which can be downloaded from SDK Manager. This is not a bug.