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Download and Install Plugin

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Saved by Don Slater
on August 17, 2012 at 2:41:45 pm

Download and Install

Alice 3 Plugin


The Alice 3 plugin is only needed by those who are transitioning from Alice 3 to Java using NetBeans. The instructions below assume that NetBeans has previously been installed on the computer.

Download the plugin

To download the plugin, go to the alice.org website at:


Select “Get Alice 3.1” from the Downloads menu, as shown in Figure E.1.

Figure E.1 Downloads menu on www.alice.org

On the Alice 3 downloads webpage, right-click on the NetBeans plugin link, as shown in Figure E.2. Then select “Save Link As” (or equivalent in your browser) in the pop-up menu.

Figure E.2 NetBeans plugin download link

The NetBeans plugin should download quickly. Make sure that the downloaded file is named with a .nbm filename extension (not .zip). Internet Explorer, Safari, and some other browsers tend to change the .nbm filename extension to .zip and then the downloaded file is not recognized as a NetBeans plugin. If this happens on your computer, simply replace the .zip filename extension with .nbm to restore the file to its original name.

With each new release/update of Alice 3, the plugin is also updated. So, be sure to check that the version of Alice 3 installed on your machine is the same as the version of the plugin. In other words, Alice 3 and the plugin must have the same version number. For example, the plugin download shown in Figure E.3, below, is for Alice 3, version Check the version of Alice 3 installed on your computer to determine which version of Alice 3 you have on your computer before installing a plugin for NetBeans.

Figure E.3 Plugin on the download page is for the latest version of Alice 3


Installing Alice Plugin in NetBeans

Start NetBeans. In the menu bar, select Tools: Plugins, as shown in Figure E.4.

Figure E.4 Select Plugins in Tools menu


In the Pluginsdialog box, click on the Downloaded tab and then click the Add Plugins… button, as shown in Figure E.5.

Figure E.5. Downloaded tab and Add Plugins… button


Use the pop-up navigation box to locate the Alice3ProjectWizard3.1 file (the previously downloaded plugin file), as shown in Figure E.6. Then click OK.

Figure E.6. Navigate to downloaded plugin file

The Plugins box will now show that the Alice 3 Project Wizard plugin file has been selected. Click the Installbutton, as shown in Figure E.7.

Figure E.7. Install

NetBeans will now install the plugin. It is okay to click the continue button if a warning window appears to tell you that this plugin is not yet "signed". (The plugin will be signed, eventually.)

Figure E.8 Plugin not signed warning box

Restart NetBeans




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