From what i can understand CCTextFieldTTF in the api list is not yet working for CocosSharp.
Is there another way to add a textfield with a background to get user input for ios/android?
No, the CCTextFieldTtf is not working at this time with the current release. If you want to test the current code base then you will find examples of that here with a new implementation for CCTextField. CCTextFieldTtf will not be in the next release because it will be replaced with CCTextField.
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