There is a race where we could complete a future based on a stream event
and then before we cancel the stream subscription, we get another event
and try and complete the future again.
- [x] Switch the reassemble timeout to 5 seconds.
- [x] Print a status message if reassemble fails:
```
Performing hot reload...
Reassembling app.flx$main took too long. Hot reload may have failed.
Reloaded 0 of 418 libraries in 5,322ms.
```
Fixes#9316Fixes#8861Fixes#8857Fixes#8856
* Make Cupertino page transition elevation animated too
* Rename and change physical model to a decorated box
* Tests
* Add a comment
* still need to handle null in the tween somewhere
* nits
* Tweens evaluate to the actual begin/end instances. Let them be non-null
* Rename no decoration to none
- [x] Catch SocketErrors and handle them gracefully.
- [x] Print 'Lost connection to device' when the service protocol connection is severed unexpectedly.
- [x] Print 'Application finished' when the application exits otherwise.
After this PR:
```
Launching lib/main.dart on Nexus 7 in debug mode...
Running 'gradle assembleDebug'... 1.2s
Built build/app/outputs/apk/app-debug.apk (21.7MB).
Syncing files to device...
Application finished.
DevFS sync failed. Lost connection to device: SocketException: OS Error: Connection refused, errno = 111, address = 127.0.0.1, port = 53062
Could not perform initial file synchronization.
```
Fixes#6705
- [x] Skip scanning the file system if we already have the Dart dependency set.
Fixes#9376
```
Performing hot reload...
Reloaded 1 of 418 libraries in 888ms.
Performing hot reload...
Reloaded 1 of 418 libraries in 871ms.
** UNTAR dragontail under project root **
Performing hot reload...
Reloaded 0 of 418 libraries in 443ms.
** UNTAR dragontail under lib/ **
Performing hot reload...
Reloaded 0 of 418 libraries in 385ms.
```
The first hot reload does a bunch of work that we used to hide behind the
loader screen. This PR changes the messsage printed to the user on the first
reload from:
'Performing hot reload...'
to:
'Initializing hot reload...'
Subsequent reloads say 'Performing hot reload...'
When invoked from the command line, relative paths aren't typically
used, but they are when invoked from within IDEA and prevents
IDEA from reading the files.
Also, remove flutterPackagesDirectory since it's not used
