Design and implementation of registration Interface (ii) Realization of registered business logic

Business Flowchart:

Development steps:?

• Get user-entered account number and password?
• Use if logical statements for business logic judgments?
• Give the user the appropriate hints based on the results of the judgment

1 //Register_activity.java2 3    Private BooleanCheckform () {4         if( This. Txtregaccount.gettext (). toString () = =NULL|| This. Txtregaccount.gettext (). toString (). Length () = = 0) {5Toast.maketext (Getapplicationcontext (), "Warning: Registered account cannot be empty", Toast.length_long). Show ();6             return false;7         }8         if( This. Txtregpassword.gettext (). toString () = =NULL|| This. Txtregpassword.gettext (). toString (). Length () = = 0) {9Toast.maketext (Getapplicationcontext (), "Warning: registration password cannot be empty", Toast.length_long). Show ();Ten             return false; One         } A         if(! ( This. Txtregpassword.gettext (). toString ()). Equals (( This. Txtreregpassword.gettext (). toString ()))) { -Toast.maketext (Getapplicationcontext (), "Warning: two times password Inconsistent", Toast.length_long). Show (); -             return false; the         } -         return true; -}

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Design and implementation of registration Interface (ii) Realization of registered business logic