public static bool GetURIValue(ICursor cursor, Android.Net.Uri uri, IDIResultCallbacks resultCallbacks)
{
while (cursor.MoveToNext())
{
if (cursor.ColumnCount == 0)
{
// No data in the cursor. I have seen this happen on non-WAN devices
String errorMsg = "Error: " + uri + " does not exist on this device";
resultCallbacks.OnDebugStatus(errorMsg);
}
else
{
for (int i = 0; i < cursor.ColumnCount; i++)
{
try
{
String data = cursor.GetString(cursor.GetColumnIndex(cursor.GetColumnName(i)));
resultCallbacks.OnSuccess(data);
cursor.Close();
return(true);
}
catch (Exception e)
{
resultCallbacks.OnDebugStatus(e.Message);
}
}
}
}
cursor.Close();
resultCallbacks.OnError("Data not found in Uri:" + uri);
return(true);
}
public void OnDebugStatus(string message)
{
if (callbackInterface != null)
{
callbackInterface.OnDebugStatus(message);
}
}
private static void RetrieveOEMInfo(Context context, Android.Net.Uri uri, IDIResultCallbacks callbackInterface)
{
// For clarity, this code calls ContentResolver.query() on the UI thread but production code should perform queries asynchronously.
// See https://developer.android.com/guide/topics/providers/content-provider-basics.html for more information
var cursor = context.ContentResolver.Query(uri, null, null, null, null);
if (cursor == null || cursor.Count < 1)
{
if (callbackInterface != null)
{
callbackInterface.OnDebugStatus("App not registered to call OEM Service:" + uri.ToString() + "\nRegistering current application using profile manger, this may take a couple of seconds...");
}
// Let's register the application
RegisterCurrentApplication(context, uri, new ResultCallbacks(callbackInterface, context, uri, (cursor, uri, callbacks) => { GetURIValue(cursor, uri, callbacks); }));
}
else
{
// We have the right to call this service, and we obtained some data to parse...
GetURIValue(cursor, uri, callbackInterface);
}
}
