How can the symbian3sdk be compatible with the s60 project of the Fifth Edition)

How can the symbian3sdk be compatible with the s60 project of the fifth edition of the third edition? After direct import, it seems that the file cannot be compiled, and some system header files cannot be found. What should I do? Is there any SDK patch? Please give me some advice.

Best Answer
Qxiaoyuan

Version 5CodeIt is still very easy to compile in Symbian ^ 3. In the SDK help file, porting applications from s60 5th edition to Symbian ^ 3 are described.
App_layer_systeminclude is actually because the path of the header file of Symbian ^ 3 has changed. It defines the path of a bunch of search header files.
Concerning Symbian ^ 3 and V3, V5 code is difficult to adapt. Stupid Symbian is not willing to provide a platform macro of Symbian ^ 3, so that you do not have a macro like _ s60_3xx _ s60_50 _ during code compilation. You need to define it in the matrix of Symbian ^ 3, the zombie Symbian, the silly Nokia is evident.