Cannot resolve symbol 'IOUtils'
For Android Studio:
- File -> Project Structure... -> Dependencies
- Click '+' in the upper right corner and select "Library dependency"
- In the search field type: "org.apache.commons.io" and click Search
- Select "org.apache.directory.studio:org.apache.commons.io:
Happy coding :)
Right clicking on the commons-io-2.4.jar file in project navigator and clicking 'Add to project' solved the issue.
For those who encountered this while working on a Netbeans Java project. What I did is I downloaded the Binaries Zip of IO here
Commons IO Util Jar Download Here
Then Right clicked on my Project>Properties>
On the Categories Pane, Click Libraries
Then Click Add Jar/Folder
Locate the jar file/folder of the extracted IO Util that was downloaded.
Then click Ok. That fixed mine. :)