update to android studio required new plugin version. Plugin version updated build.gradle
renamed package that had plural in it. Remember, be consistent with package names. Various coding statements will want plural names or not. Regardless, of your practice, just be consistent. I updated because I was not in this case
Connected Data from Service to GridView
added messaging around no internet connection available
passed clicked position through intent to detail fragment view
implemented new threads to receive each image
wrapped threads with a threadexecutor. The ThreadExecutor prevents too many threads for being created to receive the downloaded images
cached image
add some additional simple items to details view
cached gridview page
updated menu and added refresh button
changed number of threads and message