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Add support for using Obfuscated java code. #5204
Description
Context https://developer.android.com/studio/build/shrink-code#obfuscate
The r8 tool has the ability to obfuscate java code. It can result in changes like this
androidx.appcompat.app.ActionBarDrawerToggle$DelegateProvider -> a.a.a.b:
androidx.appcompat.app.AlertController -> androidx.appcompat.app.AlertController:
android.content.Context mContext -> a
int mListItemLayout -> O
int mViewSpacingRight -> l
android.widget.Button mButtonNeutral -> w
int mMultiChoiceItemLayout -> M
boolean mShowTitle -> P
int mViewSpacingLeft -> j
int mButtonPanelSideLayout -> K
The problem with this is it will probably break out Java.Interop system completely. This is because we bake the JNI calls directly into the C# code. So if a member changes its name JNI probably won't be able to find it.
r8 can emit a mapping.txt file which gives a list of all the changes it made during compilation. We might be able to use this file to run a post link process which would allow us to fix up the JNI calls to use the Obfuscated apis.
More investigation required.
Reacted by Amr
Activity
dotnet-policy-service commentedon May 26, 2026
We suspect this issue is stale and no longer relevant. It will be closed if no further activity occurs within 14 more days. Any new comment (by anyone, not necessarily the author) will undo this process.
dotnet-policy-service commentedon Jun 10, 2026
This issue will now be closed since it had been marked "possibly-stale" but received no further activity in the past 14 days. It is still possible to reopen or comment on the issue, but please note that the issue will be locked if it remains inactive for another 30 days.