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deviceidentifierswrapper-sample's Issues

not working on A13

this wrapper sample fails to work on A13 zebra devices
unless you grant accessmgr to com.zebra.emdk_deviceidentifiers_sample
content://oem_info/oem.zebra.secure/build_serial
content://oem_info/wan/imei   
content://oem_info/oem.zebra.secure/bt_mac

Ability to run on Emulator - Default Values

We have an application that we're working on where we're trying to also load a local deployed version of a webapp using a webview. An issue we face is that we want to be able to fallback to a hardcoded serial number in the case where EMDK/Zebra libraries are not available (in our case, when using an emulator).

Currently, I have no way to try/catch the DIHelper functions in a way that allows me to fallback to sending a default value. On the emulator we get the following error (which is something we completely expect to happen):

11-23 13:43:04.328  9320  9346 E AndroidRuntime: java.lang.RuntimeException: An error occurred while executing doInBackground()
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at android.os.AsyncTask$4.done(AsyncTask.java:415)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at java.util.concurrent.FutureTask.run(FutureTask.java:271)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:305)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at java.lang.Thread.run(Thread.java:923)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/symbol/emdk/EMDKManager$StatusListener;
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at com.zebra.deviceidentifierswrapper.RetrieveOEMInfoTask.registerCurrentApplication(RetrieveOEMInfoTask.java:148)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at com.zebra.deviceidentifierswrapper.RetrieveOEMInfoTask.RetrieveOEMInfo(RetrieveOEMInfoTask.java:50)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at com.zebra.deviceidentifierswrapper.RetrieveOEMInfoTask.doInBackground(RetrieveOEMInfoTask.java:35)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at com.zebra.deviceidentifierswrapper.RetrieveOEMInfoTask.doInBackground(RetrieveOEMInfoTask.java:28)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at android.os.AsyncTask$3.call(AsyncTask.java:394)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
11-23 13:43:04.328  9320  9346 E AndroidRuntime: 	... 4 more
11-23 13:43:04.328  9320  9346 E AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "com.symbol.emdk.EMDKManager$StatusListener"

When I wrap the DIHelper.getSerialNumber(<...>) call, it simply crashes the app with a Runtime exception that I can't seem to catch.

Would you mind working with me here to perhaps create a way to reliably fall out of the async task and return an error if libraries aren't available to call? One piece of the puzzle was to include android:required="false" for the uses-library statements in the manifest.

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