[tbb-bugs] #33557 [Applications/Tor Browser]: Update Android Toolchain for Fenix

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#33557: Update Android Toolchain for Fenix
-------------------------------------------------+-------------------------
 Reporter:  sisbell                              |          Owner:  tbb-
                                                 |  team
     Type:  task                                 |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-mobile, Android,                 |  Actual Points:
  TorBrowserTeam202004R                          |
Parent ID:  #33184                               |         Points:
 Reviewer:  sysrqb                               |        Sponsor:
                                                 |  Sponsor58-must
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Comment (by gk):

 Replying to [comment:9 sisbell]:
 > Another issue I encountered is that android-components and fenix use
 different version of the Android SDK, Fenix is on 28 and android-
 components is on 29. I'll need to bring these into alignment (up to 29 for
 fenix)

 That does not seem so easy. Right now Fenix is broken with our toolchain.
 It breaks during compilation like:
 {{{
 > Task :app:compileGeckoBetaDebugKotlin
 e: /var/tmp/build/fenix-
 943d3837b243/app/src/main/java/org/mozilla/fenix/library/bookmarks/BookmarkController.kt:
 (81, 9): Val cannot be reassigned
 e: /var/tmp/build/fenix-
 943d3837b243/app/src/main/java/org/mozilla/fenix/library/history/HistoryController.kt:
 (76, 9): Val cannot be reassigned
 e: /var/tmp/build/fenix-
 943d3837b243/app/src/main/java/org/mozilla/fenix/utils/ClipboardHandler.kt:
 (32, 13): Val cannot be reassigned
 }}}
 That does not happen if I use our current toolchain. I can compile Fenix
 successfully with it.

 I wonder if we should try harder to match what Mozilla is currently using
 toolchain-wise. That is whether we should bite the bullet and use
 different ones for Fenix and android-components...

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33557#comment:13>
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