Goal In android app, I want to use cache for images downloaded from internet

Question

Editorial Team

Asked: June 2, 20262026-06-02T06:09:01+00:00 2026-06-02T06:09:01+00:00

Goal

In android app, I want to use cache for images downloaded from internet
Found following project: https://github.com/mttkay/ignition
Part of the project is ignition-support which contains classes for doing exactly what I need
In the pom file, there is a dependency on guava collections (guava-collections-r03.jar)
I somehow managed to build the jar file via Maven successfuly. (Somehow stands for I’m lame regarding using Maven.)

Added the generated jar file to my android app, used the com.github.ignition.support.images.remote.RemoteImageLoader class (with the parameter for using cache set to true)
When I run the app, I get following exception Caused by: java.lang.NoClassDefFoundError: com.google.common.collect.MapMaker
This class is part of the guava collections jar file
It doesn’t help when I add the guava-collections-r03.jar to my project

Any idea of how to get the class from the guava jar file visible in the ignition jar?

(Interesting is, that there was no error during creating the ignition jar file with the mvn clean install)

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Editorial Team · Answer 1 · 2026-06-02T06:09:02+00:00

Editorial Team