Android : Difficulty placing an EditText field in Android Studio

Please forgive me if this is redundant, however, I have looked at a few posts on this issue and can't seem to get a resolution. I am an iOS developer and have been asked to implement an Android solution. Having a Java background, I began researching and installed Android Studio on a Macbook pro.

I can't seem to get started with even a basic tutorial because the IDE throws an exception whenever I try to drag a text field onto the view. I have taken the following steps, per other SO posts:

1. Changed the SDK version to 19 to eliminate Wear devices, since they don't support text entry


2. Updated the app module settings by changing the SDK version to 19


3. When prompted, I downloaded all of the missing elements required to load version 19

Here is the exception:

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

After all these steps, I still cannot begin any project that requires a text field (EditText), which seems odd to me, being such a critical element.

Can anyone help? Anything I have missed here? Thanks!