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https://issues.apache.org/jira/browse/JENA-914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15074789#comment-15074789
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Andy Seaborne commented on JENA-914:
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I came across a ref to the commit itself just the other day:
https://android.googlesource.com/platform/libcore.git/+/51b1b6997fd3f980076b8081f7f1165ccc2a4008
"Initial import of OpenJdk files."
Andy
> Get Jena working on Android
> ---------------------------
>
> Key: JENA-914
> URL: https://issues.apache.org/jira/browse/JENA-914
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ, TDB
> Environment: Android
> Reporter: Sören Brunk
> Priority: Minor
> Labels: android
>
> Currently, Jena can't be used on Android as is, due to multiple issues caused
> by differences between the standard JVM and Android's Dalvik VM.
> The main issues are
> # Package conflicts
> ## The StAX API (javax.xml.stream is missing on Android). It's not possible
> to just provide the classes as including packages from core Java namespaces
> doesn't work.
> ## Android provides an ancient version of httpclient that is incompatible
> with version 4.2 required by Jena.
> # TDB uses java.lang.ManagementFactory in ProcessUtils which isn't available
> on Android. It's possible to use android.os.Process instead but that requires
> a dependency on the Android SDK.
> There is a [project|https://github.com/seus-inf/jena-android] that does some
> post-processing on the Jena packages to create a variant that runs on
> Android. Some of it might be of use to get Android support into mainline.
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