Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V

Question

In the layout manually add edittext controls (drag), appears this error, add other controls no problem:

Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V
Exception details are logged in Window > Show View > Error Log

Answer 1

Error cause: API Level 

 

API 20:Android 4.4w is the API for Android Official Wearable Devices, it does not support the EditText component.

 

Solution: change the API version to 19 or other in the bulid.gradle.