Beginner‘s Guide to ArcGIS Flex Development160
ArcGIS Flex is a powerful JavaScript API that allows developers to create custom web mapping applications. It is a flexible and extensible platform that can be used to build a wide range of applications, from simple map viewers to complex spatial analysis tools. In this tutorial, we will take a look at the basics of ArcGIS Flex development, and build a simple map viewer application.
Prerequisites
Before you can start developing ArcGIS Flex applications, you will need to install the following software:*
*
* Knowledge
Creating a New ArcGIS Flex Project
To create a new ArcGIS Flex project, open Adobe Flex Builder and click on the "New" button. In the "New Project" dialog box, select the "Flex Application" template and click on the "Next" button. In the "Project Name" field, enter a name for your project and click on the "Finish" button.
Adding the ArcGIS Flex API
Once you have created a new project, you need to add the ArcGIS Flex API to your project. To do this, right-click on the "src" folder in the Project Explorer and select the "Add" > "Flex Library" menu item. In the "Add Flex Library" dialog box, navigate to the ArcGIS Flex API directory and select the "" file. Click on the "Open" button to add the ArcGIS Flex API to your project.
Creating a Map Viewer Application
Now that you have added the ArcGIS Flex API to your project, you can start creating a map viewer application. To do this, open the "" file in the Project Explorer and add the following code:```mxml
```
This code creates a simple map viewer application that displays a tiled map service from ArcGIS Online.
Running the Application
To run the application, click on the "Run" button in the Flex Builder toolbar. The application will be launched in a new browser window. You can zoom and pan the map, and view the map legend.
Summary
In this tutorial, we took a look at the basics of ArcGIS Flex development. We created a simple map viewer application that displays a tiled map service from ArcGIS Online. ArcGIS Flex is a powerful and extensible platform that can be used to build a wide range of web mapping applications. With a little bit of practice, you can create custom applications that meet your specific needs.
2025-01-15
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