Call Unity From Android

I have a unity project which uses an android libarary. From my android library I calls UnityPlayer.UnitySendMessage('GameObject', 'recieve', 'Test Message'); Where my C# script at

Solution 1:

Seems like you have a typo on your method name (recieve):

UnityPlayer.UnitySendMessage("GameObject", "recieve", "Test Message");

instead of:

UnityPlayer.UnitySendMessage("GameObject", "receive", "Test Message");