Perform the following steps:
- Navigate to File | New| Multi-Device Application.
- Now the wizard will ask you what type of multi-device application you want to create. Select Header/Footer application and click Ok.
- Select the folder where you want to save it (I recommend you save it in the same path of the server but in different folders).
- Click Select Folder.
- Rename your project in SendSMS. The form unit in MainFormU and the form class variables are TSMSSendingForm and SMSSendingForm, respectively.
- Now, it is time to create a service to perform queries to the server APIs. Create a new unit, name it SMS.RESTAPIs.ServiceU.pas, and save it into the Services folder.
- Fill SMS.RESTAPIs.ServiceU.pas with the following code: ...