Two crash reports from the same user:

• Android version: 7.1.2
• Phone model: Samsung GT-I9100
• Briar version:
  • 1.0.4 (f31219d5)
  • 1.0.5 (183f0c5f)
• User feedback:
  • "Sending message to contact. (Message contains " and ' characters.)"
  • "Briar in foreground, no user action."

First log:

05-18 13:22:51.117 I/EmojiProvider: Loaded page emoji_smiley_people.png
05-18 13:22:55.909 I/KeyboardAwareLinearLayout: onKeyboardOpen(282)
05-18 13:23:47.110 I/ConversationActivity: Storing message took 298 ms
05-18 13:23:49.311 I/ConversationActivity: Messages sent
05-18 13:23:49.598 I/BriarRecyclerView: Updating Content...
05-18 13:23:49.630 I/ConversationActivity: Marking read took 2 ms
05-18 13:23:51.009 I/ConversationActivity: Messages acked
05-18 13:23:52.434 I/BriarRecyclerView: Adding Handler Callback
05-18 13:23:52.435 I/AndroidDatabaseConfig: Database key has been set: true
05-18 13:23:52.634 I/ContactListFragment: Full load took 192 ms

Crashed at 13:23:53.397

Second log:

05-25 09:06:43.627 I/EmojiProvider: Loading page emoji_smiley_people.png
05-25 09:06:43.836 I/ConversationActivity: Marking read took 207 ms
05-25 09:06:44.282 I/EmojiProvider: Loaded page emoji_smiley_people.png
05-25 09:06:48.501 I/ConversationActivity: Storing message took 366 ms
05-25 09:06:48.710 I/BriarRecyclerView: Adding Handler Callback
05-25 09:06:48.711 I/AndroidDatabaseConfig: Database key has been set: true

Crashed at 09:06:49.050

Stacktrace:

java.lang.IllegalArgumentException: parameter must be a descendant of this view
        at android.view.ViewGroup.offsetRectBetweenParentAndChild(ViewGroup.java:5459)
        at android.view.ViewGroup.offsetDescendantRectToMyCoords(ViewGroup.java:5388)
        at android.view.ViewRootImpl.scrollToRectOrFocus(ViewRootImpl.java:3073)
        at android.view.ViewRootImpl.draw(ViewRootImpl.java:2683)
        at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2608)
        at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2215)
        at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1254)
        at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6344)
        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:874)
        at android.view.Choreographer.doCallbacks(Choreographer.java:686)
        at android.view.Choreographer.doFrame(Choreographer.java:621)
        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:860)
        at android.os.Handler.handleCallback(Handler.java:751)
        at android.os.Handler.dispatchMessage(Handler.java:95)
        at android.os.Looper.loop(Looper.java:154)
        at android.app.ActivityThread.main(ActivityThread.java:6186)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)

It looks like both crashes happened after sending and receiving private messages containing emoji, then switching away from the private conversation. In the first crash the switch was to the contact list - in the second crash it's not clear.