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+++ date= 2021-04-06 title = "Import a Gradle project with Eclipse"

[extra] author="Stephan Seitz" +++

  • On Windows, macOS download the latest Java version 15 from Oracle. On Ubuntu Linux, you can install sudo apt install openjdk-14-jdk or sudo apt install openjdk-11-jdk. At least Java 8 is required. If you have a working installtion from AuD, you can skip this step.

  • Install Eclipse from https://www.eclipse.org/downloads/

  • Open Eclipse

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  • Import...

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  • Existing Gradle Project...

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  • Chose path of the downloaded project and click Next (it must be the folder that contains build.gradle)

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  • Grab a coffee while it's downloading ImageJ

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  • Try to run Exercise00

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  • You are seeing red squiggles, you found a bug in a Eclipse plugin. Upgrade it in the Eclipse Marketplace! Update: I think this bug is resolved on new Eclipse versions. So you don't have to upgrade "Buildship Gradle Integration" on new versions!

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  • Search for gradle build! Then, click on the Installed button of "Buildship Gradle Integration".

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  • ... and click on Update! This should solve the bug after a restart.

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  • You should now see ImageJ when you start Exercise01.

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  • If you're still facing problems: please also check whether a valid Java Runtime Enviroment was found by right-clicking on the project folder (if it still has red crosses). Select Properties -> Java Build Path. Sometimes Eclipse does not find your Java installation. You can select it there.

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Still facing problems? Are you sure you imported the folder that contains build.gradle. If you imported a subfolder or a folder that contain the folder that contains build.gradle, Eclipse will be very confused but does not yield an error.

Back to exercise 00