• Android version: 8.1.0
• Briar version: 1.1.1 (9476782c)
• Phone model: Xiaomi Mi A1 (tissot)
• User feedback: "Blank screen."

Stacktrace:

java.lang.IllegalArgumentException: View=DecorView@47d51c6[] not attached to window manager
        at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:485)
        at android.view.WindowManagerGlobal.updateViewLayout(WindowManagerGlobal.java:380)
        at android.view.WindowManagerImpl.updateViewLayout(WindowManagerImpl.java:101)
        at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3728)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1650)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:172)
        at android.app.ActivityThread.main(ActivityThread.java:6590)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)

The log seems to show navigation between screens with BriarRecyclerViews leading up to the crash:

09-25 14:23:10.402 I/RenewableWakeLock: Acquiring wake lock LocationManagerService
09-25 14:23:10.402 I/RenewableWakeLock: Already acquired
09-25 14:23:35.872 I/Poller: Polling plugin org.briarproject.bramble.tor
09-25 14:23:56.187 I/BriarRecyclerView: Adding Handler Callback
09-25 14:23:56.238 I/BriarRecyclerView: Removing Handler Callback
09-25 14:23:56.310 I/BriarRecyclerView: Adding Handler Callback
09-25 14:23:56.554 I/BriarRecyclerView: Removing Handler Callback
09-25 14:23:58.197 I/BriarRecyclerView: Adding Handler Callback
09-25 14:24:01.792 I/BriarRecyclerView: Removing Handler Callback
09-25 14:24:03.169 I/RenewableWakeLock: Renewing wake lock LocationManagerService
09-25 14:24:03.841 I/BriarRecyclerView: Adding Handler Callback

Judging by the short stacktrace, this looks like a platform bug without a place where we could insert a workaround. Therefore I'm not adding this to the current milestone unless we get more reports.