What a Terrible Failure: Report a condition that should never happen. The error will always be logged at level ASSERT with the call stack. Depending on system configuration, a report may be added to thehttps://developer.android.com/reference/android/util/Log.html#wtf(java.lang.String,%2520java.lang.String)
DropBoxManagerand/or the process may be terminated immediately with an error dialog.
メモ："What The F**k"の略ではない。ないよ？