(Shuangyulin Android Code Generator is a code generator that generates Android mobile phone programs based on hierarchical design thinking. The generated code can be used by directly importing it into Eclipse software! Real object-oriented design: the overall design of the system provides the design of the basic objects (classes) in the required system by using the object-oriented method, and generates the professional level interface and source code based on the professional level "three-tier architecture template, so as to design the system and database together: select" data mapping to establish the relationship between the basic objects (classes) and the data table, and you can end the design of the related table framework together in the design of the classes!)