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47922abbc705-6 | Enhance tracing
To view more detailed tracing in the timeline events chart,
use the options in the enhance tracing dropdown:
Note:
Frame times might be negatively affected when these options are enabled.
To see the new timeline events, reproduce the activity
in your app that you are interested in tracing,
and then select a frame to inspect the timeline.
Track widget builds
To see the build() method events in the timeline,
enable the Track Widget Builds option.
The name of the widget is shown in the timeline event.
Track layouts
To see render object layout events in the timeline,
enable the Track Layouts option:
Track paints
To see render object paint events in the timeline,
enable the Track Paints option:
More debugging options
To diagnose performance problems related to rendering layers,
toggle off a rendering layer.
These options are enabled by default. | https://docs.flutter.dev/development/tools/devtools/performance/index.html |
47922abbc705-7 | To see the effects on your app’s performance,
reproduce the activity in your app.
Then select the new frames in the frames chart
to inspect the timeline events
with the layers disabled.
If Raster time has significantly decreased,
excessive use of the effects you disabled might be contributing
to the jank you saw in your app.
Disable this option to check whether excessive use of clipping
is affecting performance.
If performance improves with this option disabled,
try to reduce the use of clipping effects in your app.
Disable this option to check whether
excessive use of opacity effects are affecting performance.
If performance improves with this option disabled,
try to reduce the use of opacity effects in your app.
Disable this option to check whether excessive
use of physical modeling effects are affecting performance,
such as shadows or elevation.
If performance improves with this option disabled,
try to reduce the use of physical modeling effects in your app.
Import and export | https://docs.flutter.dev/development/tools/devtools/performance/index.html |
47922abbc705-8 | Import and export
DevTools supports importing and exporting performance snapshots.
Clicking the export button (upper-right corner above the
frame rendering chart) downloads a snapshot of the current data on the
performance page. To import a performance snapshot, you can drag and drop the
snapshot into DevTools from any page. Note that DevTools only
supports importing files that were originally exported from DevTools.
Other resources
To learn how to monitor an app’s performance and
detect jank using DevTools, check out a guided
Performance View tutorial. | https://docs.flutter.dev/development/tools/devtools/performance/index.html |
e390226d97e4-0 | Tools
DevTools
DevTools release notes
2.10.0 release notes
DevTools 2.10.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
Flutter Inspector Updates
Added search support to the Widget Tree, and added a breadcrumb navigator to the Widget Details Tree to allow for quickly navigating through the tree hierarchy - #3525
CPU Profiler Updates
Fix a null ref in the CPU profiler when loading an offline snapshot - #3596
Debugger Updates
Added support for multi-token file search, and improved search match prioritization to rank file name matches over full path matches -
#3582
Fix some focus-related issues - #3602
Logging View Updates | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.10.0/index.html |
e390226d97e4-1 | Logging View Updates
Fix a fatal error that occurred when filtering logs more than once - #3588
Changelog
More details about changes and fixes are available in our
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.10.0/index.html |
9254ab3471f5-0 | Tools
DevTools
DevTools release notes
2.18.0 release notes
DevTools 2.18.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
Inspector updates
Auto scrolling behavior improved when snapping a widget into focus -
#4283
Fix issue where widget inspector wouldn’t load when connecting to a paused
app - #4527
Improve widget inspector hover cards to show progress while waiting for data -
#4488
Performance updates
Fix issue where scrollbar would go out of sync with the frame content -
#4503
Add offline support for raster stats -
#4491
Add ‘Rendering time’ column to Raster Metrics tab -
#4474
CPU profiler updates | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.18.0/index.html |
9254ab3471f5-1 | CPU profiler updates
Fix crash when an empty frame is filtered -
#4502
Fix bugs in CPU profile trees -
#4413
UI Cleanup - #4404
Memory updates
Add Profile and Allocation Tracing sub-tabs -
#4523
Implement snapshot visualization -
#4473
Debugger updates
Fix bug for file opener and search -
#4525
Fix the codeview’s scrollable area -
#4448
Allow syntax highlighting on nested captures in parser -
#4427
Network profiler updates
When on the Network tab, network recordings now continue working after the app
hot restarts - #4438
Logging updates
Log messages from non-stdout sources are now shown -
#4487 | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.18.0/index.html |
9254ab3471f5-2 | Log messages from non-stdout sources are now shown -
#4487
Changelog
More details about changes and fixes are available in the DevTools
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.18.0/index.html |
66c52ace8fd7-0 | DevTools release notes
Tools
DevTools
DevTools release notes
This page links to announcements and release notes for
Flutter and Dart DevTools
2.22.2 release notes
2.21.1 release notes
2.20.0 release notes
2.18.0 release notes
2.17.0 release notes
2.16.0 release notes
2.15.0 release notes
2.14.0 release notes
2.13.1 release notes
2.12.1 release notes
2.11.2 release notes
2.10.0 release notes
2.9.2 release notes
2.9.1 release notes | https://docs.flutter.dev/development/tools/devtools/release-notes/index.html |
66c52ace8fd7-1 | 2.9.1 release notes
2.8.0 release notes
2.7.0 release notes | https://docs.flutter.dev/development/tools/devtools/release-notes/index.html |
7dc2ffca9073-0 | Tools
DevTools
DevTools release notes
2.11.2 release notes
DevTools 2.11.2 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
This release included a lot of cleanup and reduction in technical debt. Please see our
changelog for a detailed list of commits.
CPU Profiler Updates
Added the source line number to file uris in CPU profiles - #3718
Debugger Updates
File opener UX improvements, including support for clicking the source file name to open the file search window - #3612, #3758
Added support for auto-scrolling the File Explorer to the selected file - #3786, #3794
Changelog | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.11.2/index.html |
7dc2ffca9073-1 | Changelog
More details about changes and fixes are available in our
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.11.2/index.html |
a5749db0a207-0 | Tools
DevTools
DevTools release notes
2.12.1 release notes
DevTools 2.12.1 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
This release included a lot of cleanup and reduction in technical debt. Please see our
changelog for a detailed list of commits.
Flutter Inspector Updates
Added scrolling support to hover cards - #3923
Performance Updates
Added documentation links to the “Enhance Tracing” and “More debugging options” menus. Read the new
documentation to
learn more about these features - #3934,
#3936
Changelog
More details about changes and fixes are available in our
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.12.1/index.html |
4be1869cd7e5-0 | Tools
DevTools
DevTools release notes
2.13.1 release notes
DevTools 2.13.1 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
This release included a lot of cleanup and reduction in technical debt. The most notable is the completion of our
migration to sound null safety. Please see our
changelog for a detailed list of commits.
Show release notes in embedded versions of DevTools (i.e. when DevTools is embedded in your IDE) - #4053
Polish to the DevTools footer - #3989,
#4026,
#4041,
#4076
Performance Updates | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.13.1/index.html |
4be1869cd7e5-1 | Performance Updates
Added a new feature to help you debug raster jank in your Flutter app. This feature allows you to take a snapshot
of the current screen shown in your app, and then break down rendering time for that scene by layer. This can help you
identify parts of a scene that are expensive to rasterize - #4046
Added a scope setting for “Track Widget Builds”, allowing you to specify whether widget builds should be tracked in
your code only or in all code - #4010
CPU Profiler Updates
Use package uris instead of file uris in the CPU profiler “Source” column - #3932
Debugger Updates
Fix scrolling bug with debugger breakpoints - #4074
Flutter Inspector Updates
Add support for displaying flex values larger than 5 in the Layout Explorer - #4055
Changelog | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.13.1/index.html |
4be1869cd7e5-2 | Changelog
More details about changes and fixes are available in our
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.13.1/index.html |
264fcafd8c25-0 | Tools
DevTools
DevTools release notes
2.14.0 release notes
DevTools 2.14.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
Added a link to the new DevTools Discord channel
in the About DevTools dialog - #4102
Network Updates
Added “Copy as URL” and “Copy as cURL” actions for selected requests in the network profiler (special thanks to
@jankuss!)- #4113
Flutter Inspector Updates
Added a setting to control whether hovering over a widget in the inspector displays its properties and values in a
hover card - #4090
Debugger Updates
Added auto complete suggestions in the console (special thanks to @jankuss!) -
#4062 | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.14.0/index.html |
264fcafd8c25-1 | Added the option to copy the full file path for a selected library - #4147
Fixed formatting in the debugger exception menu - #4066
Memory Updates
Fixed formatting for memory values in the heap tree view - #4153
Fixed a bug that was preventing GC events from showing up in the memory chart -
#4131
Performance Updates
Warn users that the rendering layer toggles in the “More Debugging Options” menu are not available for profile mode
apps - #4075
Changelog
More details about changes and fixes are available in our
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.14.0/index.html |
91445b045f96-0 | Tools
DevTools
DevTools release notes
2.15.0 release notes
DevTools 2.15.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
The DevTools 2.15 release includes improvements to all tables in
DevTools (logging view, network profiler, CPU profiler, and so on).
See #4175
Performance Updates
Added outlines to each layer displayed in the Raster Metrics
tool—#4192
Fix a bug with loading offline data—#4189
Network Updates
Added a Json viewer with syntax highlighting for network responses - #4167
Added the ability to copy network responses - #4190
Memory Updates | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.15.0/index.html |
91445b045f96-1 | Memory Updates
Added the ability to select a different isolate from the DevTools footer - #4173
Made the automatic snapshotting feature a configurable setting - #4200
CPU Profiler
Stop manually truncating source URIs in the profiler tables - #4166
Changelog
More details about changes and fixes are available in our
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.15.0/index.html |
ca98e97cc799-0 | Tools
DevTools
DevTools release notes
2.16.0 release notes
DevTools 2.16.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
This release included several bug fixes and improvements, as well work
towards some new features that are coming soon!
See the full list of commits for DevTools 2.16.0
in the changelog.
Changelog
More details about changes and fixes are available in the DevTools
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.16.0/index.html |
0f2f81c29390-0 | Tools
DevTools
DevTools release notes
2.17.0 release notes
DevTools 2.17.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
Inspector Updates
Added support for manually setting the package directories for your app.
If you’ve ever loaded the Inspector and noticed that some of your widgets
aren’t present in the widget tree, this might indicate that the package directories
for your app haven’t been set or detected properly.
Your package directories determine which widgets
the Inspector considers to be from your application.
If you see an empty Inspector widget tree,
or if you develop widgets across multiple packages
and want widgets from all these locations to show up in your tree,
check the Inspector Settings dialog to ensure that your package
directories are properly
configured. - #4306
Performance Updates | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.17.0/index.html |
0f2f81c29390-1 | Performance Updates
Added a Frame Analysis tab to the Performance page.
When analyzing a janky Flutter frame,
this view provides hints for how to diagnose the jank and
detects expensive operations that might have contributed
to the slow frame time. This view also shows a breakdown of
your Flutter frame time per phase (Build, Layout, Paint, and Raster)
to try to guide you in the right direction
#4339
Changelog
More details about changes and fixes are available in the DevTools
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.17.0/index.html |
9d01954ae4c8-0 | Tools
DevTools
DevTools release notes
2.19.0 release notes
DevTools 2.19.0 release notes
Dart & Flutter DevTools&emdash;A suite of performance tools
for Dart and Flutter
Performance updates
Added a button to toggle the visibility of the Flutter Frames
chart - #4577
Polish the debug mode warning to better describe which data
is accurate in debug mode and which data may be misleading -
#3537
Reorder performance tool tabs and only show the CPU profiler
for the “Timeline Events” tab -
#4629
Memory updates
Improvements to the memory Profile tab -
#4583
Debugger updates
Fix an issue with hovercards where they were appearing
but never disappearing -
#4627 | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.19.0/index.html |
9d01954ae4c8-1 | Fix a bug with the file search autocomplete dialog -
#4409
Network profiler updates
Added a “Copy” button in the Network Request view
(thanks to @netos23) -
#4509
Changelog
More details about changes and fixes are available in the DevTools
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.19.0/index.html |
7a96ea777bff-0 | Tools
DevTools
DevTools release notes
2.20.0 release notes
DevTools 2.20.0 release notes
Dart & Flutter DevTools&emdash;A suite of performance tools
for Dart and Flutter
CPU profiler updates
Add support for grouping samples by tag -
#4693
Enable guidelines for tree view -
#4722
Rename “Profile granularity” to “CPU sampling rate”
and move down to the area it relates to -
#4803
Memory updates
Retire the Analysis tab -
#4714
Add a new tab, Diff, to enable memory leak detection
and troubleshooting by comparing heap snapshots,
and providing insights about the number of instances,
shallow size, retained size, and retaining paths -
#4714 | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.20.0/index.html |
7a96ea777bff-1 | Debugger updates
Support for inspecting more types of instances in the
variables viewer (Expandos, Types, TypeArguments,
Parameters, Closures + closure Contexts,
WeakProperty, Function, FunctionType, ReceivePort,
Closure, RegExp) -
#4760
Add support for displaying coverage in CodeView -
#4700
Network updates
Display request data if content type is not json
(thanks to leungpuikuen@!) -
#4602
Changelog
More details about changes and fixes are available in the DevTools
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.20.0/index.html |
b98ab8561b0a-0 | Tools
DevTools
DevTools release notes
2.21.1 release notes
DevTools 2.21.1 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
Performance updates
Replace the DevTools timeline trace viewer with the Perfetto trace viewer - #5142
Fix several issues with loading a Performance snapshot into DevTools - #5048, #4929
UI polish and cleanup - #4889
Memory updates
Improve usability of snapshot diffing - #5015
UI polish and cleanup - #4855
Color code classes based on where they are defined (SDK, your package, dependencies, etc.) - #5030
Fix state management issue for tracing - #5062 | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.21.1/index.html |
b98ab8561b0a-1 | Fix state management issue for tracing - #5062
Improve the performance of taking a heap snapshot - #5134
Retire broken import/export feature - #5135
Debugger updates
Added support for viewing profiler hits in the debugger script viewer - #4831
Added support for inspecting records - #5084
General updates
Fix several issues in syntax highlighting that would color variable names that contain reserved words incorrectly and leave extends/implements clauses uncolored for some classes - #4948
Fix an issue in Safari (browsers that do not support RegExp negative lookbehind) that prevented DevTools from loading - #4938
Fix an issue that would prevent DevTools connecting to the backend server that would disable some functionality - #5016 | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.21.1/index.html |
b98ab8561b0a-2 | Add a link to the DevTools CONTRIBUTING guide to the About menu, and fixed the Discord link - #4926
Fix conflicting colors in light theme - 5067
Changelog
More details about changes and fixes are available in the DevTools
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.21.1/index.html |
8ef0a9611ce3-0 | Tools
DevTools
DevTools release notes
2.22.2 release notes
DevTools 2.22.2 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General updates
Prevent crashes if there is no main isolate - #5232
CPU profiler updates
Display stack frame uri inline with method name to ensure the URI is always visible
in deeply nested trees - #5181
Add the ability to filter by method name or source URI - #5204
Memory updates
Change filter default to show only project and 3rd party dependencies #5201.
Support expression evaluation in console for running application #5248.
Add column Persisted for memory diffing #5290
Debugger updates | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.22.2/index.html |
8ef0a9611ce3-1 | Debugger updates
Add support for browser navigation history when navigating using the File Explorer #4906
Designate positional fields for Record types with the getter syntax beginning at $1 #5272
Fix variable inspection for Map and List instances: #5320
Fix variable inspection for Set instances: #5323
Network profiler updates
Improve reliability and performance of the Network tab - #5056
Changelog
More details about changes and fixes are available in the DevTools
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.22.2/index.html |
08d41b4e7dcc-0 | Tools
DevTools
DevTools release notes
2.7.0 release notes
DevTools 2.7.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
Improvements for initial page load time -
#3309
Fix a couple scrollbar-related issues -
#3393,
#3401
Debugger Updates
Add an open file dialog (ctrl / cmd + p) -
#3342,
#3354,
#3371,
#3384
Add a copy button to the call stack view -
#3334
CPU Profiler Updates | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.7.0/index.html |
08d41b4e7dcc-1 | CPU Profiler Updates
Added functionality to load an app startup profile for Flutter apps.
This profile will contain CPU samples from the initialization
of the Dart VM up until the first Flutter frame has been rendered. -
#3357
When the app startup profile has been loaded,
you will see that the “AppStartUp” user tag is selected for the profile.
You can also load the app startup profile
by selecting this user tag filter, when present,
in the list of available user tags.
Added multi-isolate support.
Select which isolate you want to profile
from the isolate selector at the bottom of the page. -
#3362
Add class names to CPU stack frames in the profiler -
#3385
Changelog
More details about changes and fixes are available in our changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.7.0/index.html |
9648e4c1fde4-0 | Tools
DevTools
DevTools release notes
2.8.0 release notes
DevTools 2.8.0 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
Improvements for initial page load time -
#3325
Performance improvements for connecting DevTools to a device,
particularly impactful for low-memory devices -
#3468 | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.8.0/index.html |
9648e4c1fde4-1 | For users on Flutter 2.8.0 or greater (or Dart 2.15.0 or greater),
DevTools should now be launched via the dart devtools command
instead of running pub global activate devtools.
DevTools 2.8.0 will be the last version of DevTools shipped on pub,
and all future versions of DevTools will be shipped as part of the Dart SDK.
If you see this warning,
be sure to open DevTools via dart devtools instead of from pub:
Performance Updates
Added a new “Enhance Tracing” feature to help users diagnose UI jank
stemming from expensive Build, Layout, and Paint operations.
The expected workflow is as such:
User is investigating UI jank in the performance page
User notices a long Build, Layout, and/or Paint event
User turns on the respective tracking toggle in the “Enhance Tracing” feature | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.8.0/index.html |
9648e4c1fde4-2 | User turns on the respective tracking toggle in the “Enhance Tracing” feature
User reproduces the UI jank in their app
User looks at the new set of Timeline events, which should now have
additional child events for widgets built, render objects laid out,
and/or render objects painted
Added new “More debugging options” feature to allow for disabling
rendering layers for Clip, Opacity, and Physical Shapes.
The expected workflow is as such:
User is investigating UI jank in the performance page
User notices a lot of janky frames and suspects it could be due to
excessive use of clipping, opacity, or physical shapes.
User turns off the respective render layer toggle in the “More
debugging options” feature
User reproduces the UI jank in their app | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.8.0/index.html |
9648e4c1fde4-3 | User reproduces the UI jank in their app
If the UI jank is reduced with a rendering layer turned off,
the user should try to optimize their app to use
less clipping/opacity/physical shape effects.
If the UI jank is not reduced,
the user now knows that the performance problem
is not due to these UI effects.
Debugger Updates
Replaced the “Libraries” pane with a “File Explorer” pane -
#3448. The “File
Explorer” pane has two components:
A tree view of the libraries present in your application.
You can use the File Explorer to find and open a library,
or you can use the existing Ctrl/Cmd + P keyboard shortcut
to search for a file.
A new “Outline” view that shows the structure of the selected library.
This view will show classes, members, methods, etc.,
and when an item is selected,
the source view will jump to the respective line of code
for the selected item. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.8.0/index.html |
9648e4c1fde4-4 | Performance improvements to expression evaluation auto complete -
#3463
Fixed a bug with keyboard shortcuts -
#3458
UI polish - #3421,
#3449
Changelog
More details about changes and fixes are available in our changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.8.0/index.html |
da5c1f76d039-0 | Tools
DevTools
DevTools release notes
2.9.1 release notes
DevTools 2.9.1 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter.
Debugger Updates
Improve support for inspecting large lists and maps in the Debugger
variables pane - #3497
Added support for selecting objects in the program explorer outline view.
Selecting an object will automatically scroll the source code
in the debugger to the selected object -
#3480
Performance Updates
Fix bugs with performance page search and improve performance -
#3515
Added an enhanced tooltip for flutter frames -
#3493
Changelog
More details about changes and fixes are available in our changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.9.1/index.html |
49974e2ebd64-0 | Tools
DevTools
DevTools release notes
2.9.2 release notes
DevTools 2.9.2 release notes
Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter
General Updates
Take our 2022 DevTools survey! Provide your feedback and help us improve
your development experience. This survey prompt will show up directly in
DevTools sometime in mid-February.
Note: If you are having issues launching the survey, please make
sure you have upgraded to the latest Flutter stable branch 2.10.
There was a bug in DevTools (fixed in
#3574) that
prevented the survey from being able to be opened, and unless you
are on Flutter 2.10, this bug will still be present._ | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.9.2/index.html |
49974e2ebd64-1 | General bug fixes and improvements -
#3528,
#3531,
#3532,
#3539
Performance Updates
Added frame numbers to x-axis the Flutter frames chart -
#3526
Debugger Updates
Fix a bug where the File Explorer in the Debugger did not show contents
after a hot restart -
#3527
Changelog
More details about changes and fixes are available in our
changelog. | https://docs.flutter.dev/development/tools/devtools/release-notes/release-notes-2.9.2/index.html |
1f2abe5e5a8a-0 | Install and run DevTools from VS Code
Tools
DevTools
Install and run DevTools from VS Code
Install the VS Code extensions
Start an application to debug
Launch DevTools
Install the VS Code extensions
To use the DevTools from VS Code, you need the Dart extension.
If you’re debugging Flutter applications, you should also install
the Flutter extension.
Start an application to debug
Start a debug session for your application by opening the root
folder of your project (the one containing pubspec.yaml)
in VS Code and clicking Run > Start Debugging (F5).
Launch DevTools
Once the debug session is active and the application has started,
the Dart: Open DevTools command becomes available in the
VS Code command palette: | https://docs.flutter.dev/development/tools/devtools/vscode/index.html |
1f2abe5e5a8a-1 | The first time you run this (and subsequently when the DevTools package
is updated), you are prompted to activate or upgrade DevTools.
Clicking the Open button uses pub global activate to activate
the DevTools package for you. Next, DevTools launches in your browser and
automatically connects to your debug session.
While DevTools is active, you’ll see them in the status bar
of VS Code. If you’ve closed the browser tab,
you can click the status bar to re-launch your browser, so long
as there’s still a suitable Dart/Flutter debugging session available. | https://docs.flutter.dev/development/tools/devtools/vscode/index.html |
68d26c1b7f18-0 | Flutter Fix
Tools
Flutter Fix
Applying individual fixes
IntelliJ and Android Studio
VS Code
Applying project-wide fixes
As Flutter continues to evolve, we provide a tool to help you clean up
deprecated APIs from your codebase. The tool ships as part of Flutter, and
suggests changes that you might want to make to your code. The tool is available
from the command line, and is also integrated into the IDE plugins for Android
Studio and Visual Studio Code.
Tip:
These automated updates are called quick-fixes in IntelliJ and Android
Studio, and code actions in VS Code.
Applying individual fixes
You can use any supported IDE
to apply a single fix at a time.
IntelliJ and Android Studio | https://docs.flutter.dev/development/tools/flutter-fix/index.html |
68d26c1b7f18-1 | IntelliJ and Android Studio
When the analyzer detects a deprecated API,
a light bulb appears on that line of code.
Clicking the light bulb displays the suggested fix
that updates that code to the new API.
Clicking the suggested fix performs the update.
A sample quick-fix in IntelliJ
VS Code
When the analyzer detects a deprecated API,
it presents an error.
You can do any of the following:
Hover over the error and then click the
Quick Fix link.
This presents a filtered list showing
only fixes.
Put the caret in the code with the error and click
the light bulb icon that appears.
This shows a list of all actions, including
refactors.
Put the caret in the code with the error and
press the shortcut
(Command+. on macOS, Control+. elsewhere)
This shows a list of all actions, including
refactors.
A sample code action in VS Code | https://docs.flutter.dev/development/tools/flutter-fix/index.html |
68d26c1b7f18-2 | A sample code action in VS Code
Applying project-wide fixes
To see or apply changes to an entire project,
you can use the command-line tool, dart fix.
This tool has two options:
To see a full list of available changes, run
the following command:
$ dart fix --dry-run
To apply all changes in bulk, run the
following command:
$ dart fix --apply
For more information on Flutter deprecations, see
Deprecation lifetime in Flutter, a free article
on Flutter’s Medium publication. | https://docs.flutter.dev/development/tools/flutter-fix/index.html |
164b5df4be05-0 | Code formatting
Tools
Code formatting
Automatically formatting code in VS Code
Automatically formatting code in Android Studio and IntelliJ
Automatically formatting code with the dart command
Using trailing commas
While your code might follow any preferred style—in our
experience—teams of developers might find it more productive to:
Have a single, shared style, and
Enforce this style through automatic formatting.
The alternative is often tiring formatting debates during code reviews,
where time might be better spent on code behavior rather than code style.
Automatically formatting code in VS Code
Install the Flutter extension (see
Editor setup)
to get automatic formatting of code in VS Code.
To automatically format the code in the current source code window,
right-click in the code window and select Format Document.
You can add a keyboard shortcut to this VS Code Preferences. | https://docs.flutter.dev/development/tools/formatting/index.html |
164b5df4be05-1 | To automatically format code whenever you save a file, set the
editor.formatOnSave setting to true.
Automatically formatting code in Android Studio and IntelliJ
Install the Dart plugin (see
Editor setup)
to get automatic formatting of code in Android Studio and IntelliJ.
To automatically format your code in the current source code window,
use Cmd+Alt+L (on Mac) or Ctrl+Alt+L (on Windows and Linux).
Android Studio and IntelliJ also provide a check box named
Format code on save on the Flutter page in Preferences
(on Mac) or Settings (on Windows and Linux)
which formats the current file automatically when you save it.
Automatically formatting code with the dart command
You can also automatically format code in the command line interface
(CLI) using the dart format command:
dart format path1 path2 ...
Using trailing commas | https://docs.flutter.dev/development/tools/formatting/index.html |
164b5df4be05-2 | dart format path1 path2 ...
Using trailing commas
Flutter code often involves building fairly deep tree-shaped data structures,
for example in a build method. To get good automatic formatting,
we recommend you adopt the optional trailing commas.
The guideline for adding a trailing comma is simple: Always
add a trailing comma at the end of a parameter list in
functions, methods, and constructors where you care about
keeping the formatting you crafted.
This helps the automatic formatter to insert an appropriate
amount of line breaks for Flutter-style code.
Here is an example of automatically formatted code with trailing commas:
And the same code automatically formatted code without trailing commas: | https://docs.flutter.dev/development/tools/formatting/index.html |
a628a6e31e7c-0 | Hot reload
Tools
Hot reload
How to perform a hot reload
Special cases
An app is killed
Compilation errors
CupertinoTabView’s builder
Enumerated types
Generic types
Native code
Previous state is combined with new code
Recent code change is included but app state is excluded
Recent UI change is excluded
How it works
Flutter’s hot reload feature helps you quickly and
easily experiment, build UIs, add features, and fix bugs.
Hot reload works by injecting updated source code files
into the running Dart Virtual Machine (VM).
After the VM updates classes with the new versions of fields and functions,
the Flutter framework automatically rebuilds the widget tree,
allowing you to quickly view the effects of your changes.
How to perform a hot reload
To hot reload a Flutter app: | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-1 | How to perform a hot reload
To hot reload a Flutter app:
Run the app from a supported Flutter editor or a terminal window.
Either a physical or virtual device can be the target.
Only Flutter apps in debug mode can be hot reloaded or hot restarted.
Modify one of the Dart files in your project.
Most types of code changes can be hot reloaded;
for a list of changes that require a hot restart,
see Special cases.
If you’re working in an IDE/editor that supports Flutter’s IDE tools,
select Save All (cmd-s/ctrl-s),
or click the hot reload button on the toolbar.
If you’re running the app at the command line using flutter run,
enter r in the terminal window.
After a successful hot reload operation,
you’ll see a message in the console similar to: | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-2 | The app updates to reflect your change,
and the current state of the app is preserved.
Your app continues to execute from where it was prior
to run the hot reload command.
The code updates and execution continues.
What is the difference between hot reload, hot restart,
and full restart?
Hot reload loads code changes into the VM and re-builds
the widget tree, preserving the app state;
it doesn’t rerun main() or initState().
(⌘\ in Intellij and Android Studio, ⌃F5 in VSCode)
Hot restart loads code changes into the VM,
and restarts the Flutter app, losing the app state.
(⇧⌘\ in IntelliJ and Android Studio, ⇧⌘F5 in VSCode) | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-3 | Full restart restarts the iOS, Android, or web app.
This takes longer because it also recompiles the
Java / Kotlin / ObjC / Swift code. On the web,
it also restarts the Dart Development Compiler.
There is no specific keyboard shortcut for this;
you need to stop and start the run configuration.
Flutter web currently supports hot restart but not
hot reload.
Controls for run, run debug, hot reload, and hot restart in Android Studio
A code change has a visible effect only if the modified
Dart code is run again after the change. Specifically,
a hot reload causes all the existing widgets to rebuild.
Only code involved in the rebuilding of the widgets
is automatically re-executed. The main() and initState()
functions, for example, are not run again.
Special cases | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-4 | Special cases
The next sections describe specific scenarios that involve
hot reload. In some cases, small changes to the Dart code
enable you to continue using hot reload for your app.
In other cases, a hot restart, or a full restart is needed.
An app is killed
Hot reload can break when the app is killed.
For example, if the app was in the background for too long.
Compilation errors
When a code change introduces a compilation error,
hot reload generates an error message similar to:
In this situation, simply correct the errors on the
specified lines of Dart code to keep using hot reload.
CupertinoTabView’s builder
Hot reload won’t apply changes made to
a builder of a CupertinoTabView.
For more information, see Issue 43574.
Enumerated types | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-5 | Enumerated types
Hot reload doesn’t work when enumerated types are
changed to regular classes or regular classes are
changed to enumerated types.
For example:
Before the change:
After the change:
Generic types
Hot reload won’t work when generic type declarations
are modified. For example, the following won’t work:
Before the change:
After the change:
Native code
If you’ve changed native code (such as Kotlin, Java, Swift,
or Objective-C), you must perform a full restart (stop and
restart the app) to see the changes take effect.
Previous state is combined with new code | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-6 | Previous state is combined with new code
Flutter’s stateful hot reload preserves the state of your app.
This approach enables you to view the effect of the most
recent change only, without throwing away the current state.
For example, if your app requires a user to log in,
you can modify and hot reload a page several levels down in
the navigation hierarchy, without re-entering your login credentials.
State is kept, which is usually the desired behavior.
If code changes affect the state of your app (or its dependencies),
the data your app has to work with might not be fully consistent
with the data it would have if it executed from scratch.
The result might be different behavior after a hot reload
versus a hot restart.
Recent code change is included but app state is excluded | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-7 | Recent code change is included but app state is excluded
In Dart, static fields are lazily initialized.
This means that the first time you run a Flutter app and a
static field is read, it’s set to whatever value its
initializer was evaluated to.
Global variables and static fields are treated as state,
and are therefore not reinitialized during hot reload.
If you change initializers of global variables and static fields,
a hot restart or restart the state where the initializers are hold
is necessary to see the changes.
For example, consider the following code:
After running the app, you make the following change:
You hot reload, but the change is not reflected.
Conversely, in the following example:
Running the app for the first time prints 1 and 1.
Then, you make the following change: | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-8 | While changes to const field values are always hot reloaded,
the static field initializer is not rerun. Conceptually,
const fields are treated like aliases instead of state.
The Dart VM detects initializer changes and flags when a set
of changes needs a hot restart to take effect.
The flagging mechanism is triggered for
most of the initialization work in the above example,
but not for cases like the following:
To update foo and view the change after hot reload,
consider redefining the field as const or using a getter to
return the value, rather than using final.
For example, either of the following solutions work:
For more information, read about the differences
between the const and final keywords in Dart.
Recent UI change is excluded
Even when a hot reload operation appears successful and generates no
exceptions, some code changes might not be visible in the refreshed UI.
This behavior is common after changes to the app’s main() or
initState() methods. | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-9 | As a general rule, if the modified code is downstream of the root
widget’s build() method, then hot reload behaves as expected.
However, if the modified code won’t be re-executed as a result
of rebuilding the widget tree, then you won’t
see its effects after hot reload.
For example, consider the following code:
After running this app, change the code as follows:
With a hot restart, the program starts from the beginning,
executes the new version of main(),
and builds a widget tree that displays the text Hello.
However, if you hot reload the app after this change,
main() and initState() are not re-executed,
and the widget tree is rebuilt with the unchanged instance
of MyApp as the root widget.
This results in no visible change after hot reload.
How it works
When hot reload is invoked, the host machine looks
at the edited code since the last compilation.
The following libraries are recompiled: | https://docs.flutter.dev/development/tools/hot-reload/index.html |
a628a6e31e7c-10 | Any libraries with changed code
The application’s main library
The libraries from the main library leading
to affected libraries
The source code from those libraries is compiled into
kernel files and sent to the mobile device’s Dart VM.
The Dart VM re-loads all libraries from the new kernel file.
So far no code is re-executed.
The hot reload mechanism then causes the Flutter framework
to trigger a rebuild/re-layout/repaint of all existing
widgets and render objects. | https://docs.flutter.dev/development/tools/hot-reload/index.html |
0941220f638d-0 | Tools & techniques
Tools
Topics:
Android Studio & IntelliJ
Visual Studio Code
DevTools
Flutter SDK
Flutter and the pubspec file
Hot reload
Flutter Fix
Code formatting | https://docs.flutter.dev/development/tools/index.html |
6308cc0e78cd-0 | Flutter and the pubspec file
Tools
Flutter and the pubspec file
Assets
Fonts
More information
Note:
This page is primarily aimed at folks who write
Flutter apps. If you write packages or plugins,
(perhaps you want to create a federated plugin),
you should check out the
Developing packages and plugins page.
Every Flutter project includes a pubspec.yaml file,
often referred to as the pubspec.
A basic pubspec is generated when you create
a new Flutter project. It’s located at the top
of the project tree and contains metadata about
the project that the Dart and Flutter tooling
needs to know. The pubspec is written in
YAML, which is human readable, but be aware
that white space (tabs v spaces) matters. | https://docs.flutter.dev/development/tools/pubspec/index.html |
6308cc0e78cd-1 | The pubspec file specifies dependencies
that the project requires, such as particular packages
(and their versions), fonts, or image files.
It also specifies other requirements, such as
dependencies on developer packages (like
testing or mocking packages), or particular
constraints on the version of the Flutter SDK.
Fields common to both Dart and Flutter projects
are described in the pubspec file on dart.dev.
This page lists Flutter-specific fields
that are only valid for a Flutter project.
Note:
The first time you build your project, it
creates a pubspec.lock file that contains
specific versions of the included packages.
This ensures that you get the same version
the next time the project is built.
When you create a new project with the
flutter create command (or by using the
equivalent button in your IDE), it creates
a pubspec for a basic Flutter app.
Here is an example of a Flutter project pubspec file.
The Flutter only fields are highlighted. | https://docs.flutter.dev/development/tools/pubspec/index.html |
6308cc0e78cd-2 | flutter: # Required for every Flutter project
sdk: flutter # Required for every Flutter project
flutter_localizations: # Required to enable localization
sdk: flutter # Required to enable localization
cupertino_icons: ^1.0.5 # Only required if you use Cupertino (iOS style) icons
dev_dependencies:
flutter_test:
sdk: flutter # Required for a Flutter project that includes tests
flutter:
uses-material-design: true # Required if you use the Material icon font
generate: true # Enables generation of localized strings from arb files
assets: # Lists assets, such as image files
images/a_dot_burr.jpeg
images/a_dot_ham.jpeg
fonts: # Required if your app uses custom fonts | https://docs.flutter.dev/development/tools/pubspec/index.html |
6308cc0e78cd-3 | fonts: # Required if your app uses custom fonts
family: Schyler
fonts:
asset: fonts/Schyler-Regular.ttf
asset: fonts/Schyler-Italic.ttf
style: italic
family: Trajan Pro
fonts:
asset: fonts/TrajanPro.ttf
asset: fonts/TrajanPro_Bold.ttf
weight: 700
Assets
Common types of assets include static data
(for example, JSON files), configuration files,
icons, and images (JPEG, WebP, GIF,
animated WebP/GIF, PNG, BMP, and WBMP). | https://docs.flutter.dev/development/tools/pubspec/index.html |
6308cc0e78cd-4 | Besides listing the images that are included in the
app package, an image asset can also refer to one or more
resolution-specific “variants”. For more information,
see the resolution aware section of the
Assets and images page.
For information on adding assets from package
dependencies, see the
asset images in package dependencies
section in the same page.
Fonts
As shown in the above example,
each entry in the fonts section should have a
family key with the font family name,
and a fonts key with a list specifying the
asset and other descriptors for the font.
For examples of using fonts
see the Use a custom font and
Export fonts from a package recipes in the
Flutter cookbook.
More information
For more information on packages, plugins,
and pubspec files, see the following:
Creating packages on dart.dev
Glossary of package terms on dart.dev
Package dependencies on dart.dev
Using packages | https://docs.flutter.dev/development/tools/pubspec/index.html |
6308cc0e78cd-5 | Package dependencies on dart.dev
Using packages
What not to commit on dart.dev | https://docs.flutter.dev/development/tools/pubspec/index.html |
e991027a5f04-0 | Flutter SDK
Tools
SDK | https://docs.flutter.dev/development/tools/sdk/index.html |
4d8bb8df7c9a-0 | Flutter SDK overview
Tools
SDK
Flutter SDK
What’s in the Flutter SDK
flutter command-line tool
dart command-line tool
The Flutter SDK has the packages and command-line tools that you need to develop
Flutter apps across platforms. To get the Flutter SDK, see Install.
What’s in the Flutter SDK
The following is available through the Flutter SDK:
Dart SDK
Heavily optimized, mobile-first 2D rendering engine with
excellent support for text
Modern react-style framework
Rich set of widgets implementing Material Design and iOS styles
APIs for unit and integration tests
Interop and plugin APIs to connect to the system and 3rd-party SDKs
Headless test runner for running tests on Windows, Linux, and Mac | https://docs.flutter.dev/development/tools/sdk/overview/index.html |
4d8bb8df7c9a-1 | Headless test runner for running tests on Windows, Linux, and Mac
Dart DevTools for testing, debugging, and profiling your app
flutter and dart command-line tools for creating, building, testing,
and compiling your apps
Note: For more information about the Flutter SDK, see its
README file.
flutter command-line tool
The flutter CLI tool (flutter/bin/flutter) is how developers
(or IDEs on behalf of developers) interact with Flutter.
dart command-line tool
The dart CLI tool is available with the Flutter SDK at flutter/bin/dart. | https://docs.flutter.dev/development/tools/sdk/overview/index.html |
9935b6bd1c24-0 | Change log for Flutter 1.12.13
Tools
SDK
Release notes
1.12.13 change log
PRs closed in this release of flutter/flutter
PRs closed in this release of flutter/engine
PRs closed in this release of flutter/plugins
PRs closed in this release of flutter/flutter
From Sun Aug 19 17:37:00 2019 -0700 to Mon Nov 25 12:05:00 2019 -0800
34188 Use separate isolate for image loading. (a: images, a: tests, cla: yes, framework)
35100 Add handling of ‘TextInput.clearClient’ message from platform to framework (#35054). (a: text input, cla: yes, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-1 | 35516 more UI-as-code (cla: yes, team)
36864 Clean up bots output and remove timeouts (cla: yes, team, waiting for tree to go green)
36871 Audit use of defaultTargetPlatform (cla: yes, f: cupertino, f: material design, framework, waiting for tree to go green)
36998 Added properties in DropdownButtonFormField to match DropdownButton (cla: yes, f: material design, framework)
37024 Implement PageView using SliverLayoutBuilder, Deprecate RenderSliverFillViewport (cla: yes, f: gestures, f: scrolling, framework, severe: API break, waiting for tree to go green)
37268 run web tests in batches; enable foundation tests (cla: yes, ☸ platform-web) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-2 | 37416 Add MediaQuery.systemGestureInsets to support Android Q (cla: yes, customer: crowd, framework, severe: new feature, ▣ platform-android)
37508 build bundle with assemble (cla: yes, tool)
37526 catch errors during gradle update (cla: yes, tool)
37544 Replace ButtonBar.bar method with ButtonBarTheme (cla: yes, d: examples, f: material design, framework, severe: API break, team, team: gallery)
37642 Unit test for build.dart::GenSnapshot (cla: yes, tool)
37645 Update CONTRIBUTING.md (cla: yes, team)
37646 Instrument pending timers in tests (a: tests, cla: yes, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-3 | 37719 CupertinoDynamicColor and friends (cla: yes, f: cupertino, f: material design, framework)
37739 Fix AnimationStatus for repeat(reverse: true) and animateWith (a: animation, cla: yes, framework, severe: API break)
37819 Add HtmlElementView (the Flutter Web platform view) (cla: yes, framework, ☸ platform-web)
37832 add –exit and –match-host-platform defaults to devicelab runner (cla: yes, team, tool)
37845 echo error messages to stderr (CQ+1, cla: yes, tool)
37896 Add opacity control to MouseRegion. Add findAnnotations to Layer. (a: desktop, cla: yes, framework, severe: API break) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-4 | 37901 [macos] Check for special keys before creating a logical key (a: desktop, cla: yes, framework, ⌘ platform-mac)
37962 Show search app bar theme (cla: yes, f: material design, framework)
38317 TweenAnimationBuilder for building custom animations without managing an AnimationController (a: animation, cla: yes, framework)
38464 Moved the default BinaryMessenger instance to ServicesBinding (a: accessibility, a: tests, cla: yes, f: cupertino, f: material design, framework, team)
38481 Timer picker fidelity revision (cla: yes, f: cupertino, framework, severe: API break, will affect goldens)
38560 refactor cocoapods validator to detect broken install (cla: yes, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-5 | 38568 Normalize assert checking of clipBehavior (CQ+1, cla: yes, f: material design, framework, severe: API break)
38573 Clamp scrollOffset to prevent textfield bouncing (a: text input, cla: yes, framework)
38576 flutter_tools/version: git log.showSignature=false (cla: yes, tool)
38583 Added InheritedTheme (cla: yes, f: material design, framework)
38632 Flutter Plugin Tool supports multi-platform plugin config (cla: yes, tool)
38643 PlatformViewLink handles focus (a: platform-views, cla: yes, framework)
38650 Allow independent theming of Persistent and Modal bottom sheets (cla: yes, f: material design, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-6 | 38654 [flutter_tool] Remove some async file io (cla: yes, tool)
38699 fix widgetspan does not work with ellipsis in text widget (cla: yes, framework)
38709 [Material] Add contentPadding property to SwitchListTile (cla: yes, f: material design, framework)
38712 Show process error when iOS install fails (cla: yes, tool)
38723 Handle compilation failures from web application (cla: yes, tool, ☸ platform-web)
38724 Remove xcconfigs from template Copy Bundle Resources build phases (cla: yes, d: examples, t: xcode, team, team: gallery, tool, ⌺ platform-ios)
38726 Make disabled buttons/chips/text fields not be focusable. (CQ+1, cla: yes, f: material design, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-7 | 38748 Create correctly structured framework for macOS (cla: yes, tool)
38789 Fix DragTarget not being rebuilt when a rejected Draggable enters #38786 (cla: yes, framework)
38813 Add ToggleButtons.textStyle property (cla: yes, f: material design, framework)
38814 Add iOS backdrop filter benchmarks (cla: yes, severe: performance, team)
38815 Revert “Added a composable waitForCondition Driver/extension API (#37… (a: tests, cla: yes, framework)
38821 Cache caret parameters (a: text input, cla: yes, framework, severe: performance)
38823 Print service url when connecting to web applications (cla: yes, tool, ☸ platform-web) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-8 | 38831 [Material] Add clip property to bottom sheet and theme (cla: yes, f: material design, framework)
38833 More explicit link to xkcd in CoC (cla: yes)
38836 Added a composable waitForCondition Driver/extension API. (a: tests, cla: yes, framework)
38840 Fix analyzer issues for onReportTiming to frameTiming (a: tests, cla: yes, framework)
38858 Use GLFW-name artifacts on Windows and Linux (cla: yes, tool)
38861 Replace deprecated onReportTimings w/ frameTimings (cla: yes, framework, severe: performance)
38866 Revert “Automatic focus highlight mode for FocusManager (#37825)” (cla: yes, f: material design, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-9 | 38869 Store file hashes per build configuration. (cla: yes, tool)
38894 [flutter_tool] Move http request close under try-catch (cla: yes, tool)
38895 [Shrine] Adding outlines to text fields (cla: yes, d: examples, team, team: gallery)
38898 ToggleButtons test improvement (cla: yes, f: material design, framework)
38905 Remove iphonesimulator from SUPPORTED_PLATFORMS for Profile and Release modes (cla: yes, t: xcode, tool, ⌺ platform-ios)
38907 Throw error when hot reload enters bad state (cla: yes, tool)
38909 Add support for macOS release/profile mode (3 of 3) (cla: yes, tool, ⌘ platform-mac) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-10 | 38916 Update BUILD.gn for package:flutter_test (a: tests, cla: yes, framework)
38920 [flutter_tool] Handle crashes from doctor validators (cla: yes, tool)
38922 Better docs for text (ready to land) (cla: yes, framework, waiting for tree to go green)
38925 [flutter_tool] Only send one crash report per run (cla: yes, tool)
38930 Implement system fonts system channel listener (cla: yes, framework)
38932 Add build warning for non-debug desktop builds (cla: yes, tool)
38936 Fix KeySet (and LogicalKeySet) hashCode calculation (cla: yes, framework)
38979 Adding onEnd callback to implicit animated widgets (a: animation, cla: yes, framework, waiting for tree to go green) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-11 | 38992 Clean Xcode workspace during flutter clean (cla: yes, tool)
38999 Mark smoke_catalina_start_up not flaky (CQ+1, cla: yes, team)
39000 Dont throw StateError when calling assemble (CQ+1, cla: yes, tool)
39005 [flutter_tool] Teach crash reporter about HttpException (cla: yes, tool)
39006 Add web workflow to default validators (cla: yes, tool)
39013 Update package versions to latest (cla: yes, tool)
39017 Add “OneSequenceRecognizer.resolvePointer”. Fix DragGestureRecognizer crash on multiple pointers (a: desktop, cla: yes, f: gestures, framework)
39052 Make forward calls run interactively (cla: yes, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-12 | 39052 Make forward calls run interactively (cla: yes, tool)
39056 Fixed issues with Background Color #34741 (cla: yes, f: cupertino, framework)
39059 Explain const values in MediaQuery test file (cla: yes, framework)
39066 Kill resident runner on browser disconnect. (cla: yes, tool, ☸ platform-web)
39072 Break dependency of tools/lib/src from lib/src/commands/ (cla: yes, tool)
39073 Add profile mode to flutter web applications (cla: yes, tool, ☸ platform-web)
39079 fix widget built twice during warm up frame (cla: yes, f: scrolling, framework, severe: API break, waiting for tree to go green) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-13 | 39080 Fix plugin template app’s tests (cla: yes, team, tool)
39082 Golden Doc Updates (a: tests, cla: yes, d: api docs, d: examples, framework, waiting for tree to go green)
39085 Make inspector details subtree depth configurable. (cla: yes, framework)
39088 Doc Improvements for SliverFillRemaining (cla: yes, d: api docs, d: examples, framework, waiting for tree to go green)
39089 Correct InheritedTheme.captureAll() for multiple theme ancestors of the same type (cla: yes, framework)
39124 Update image_list example to use https instead of http (a: images, cla: yes, d: examples, framework, team)
39126 Fid app bundle in Gradle 3.5 (cla: yes, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-14 | 39136 [flutter_tool] Some additional input validation for ‘version’ (cla: yes, tool, waiting for tree to go green)
39140 Move commands into their own shard (cla: yes, tool)
39142 fix sliverfixedextent with sliverchildbuilderdelegate does not correc… (cla: yes, f: scrolling, framework)
39144 Add the textAlignVertical param to TextFormField (cla: yes, f: material design, framework)
39145 Add missing files in the Gradle wrapper directory (cla: yes, t: gradle, tool)
39147 Downgrade the AndroidX warning (cla: yes, tool)
39150 Mention [email protected] (cla: yes, waiting for tree to go green) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-15 | 39156 Added Scaffold.extendBodyBehindAppBar (cla: yes, f: material design, framework)
39157 Use new Maven artifacts from Gradle (cla: yes, t: gradle, tool)
39160 Revert “echo error messages to stderr” (cla: yes, waiting for tree to go green)
39189 fix source map loading and service protocol for flutter web (cla: yes, tool)
39195 respect reversed scroll views (cla: yes, framework)
39196 Added a Driver wait condition for no pending platform messages (a: tests, cla: yes, framework)
39198 Docs (a: tests, cla: yes, f: material design, framework)
39214 Place terminalUi flag on terminal interface (cla: yes, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-16 | 39215 CupertinoActionSheet dark mode & fidelity (cla: yes, f: cupertino, framework)
39225 Manul engine roll to d4932ba71 (cla: yes, engine)
39252 Adds relayout option to CustomMultiChildLayout. (cla: yes, customer: wednesday, framework)
39263 Change SliverGeometry.maxScrollObstructionExtent for RenderSliverFloatingPersistentHeader to match docs (cla: yes, framework)
39264 Add profile support on macOS (cla: yes, tool)
39274 Use output dir instead of specific paths in assemble rules (cla: yes, tool)
39280 [flutter_tool] Use a timeout for xcode showBuildSettings (cla: yes, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-17 | 39282 Expose text metrics in TextPainter. (cla: yes, framework)
39286 Update docs for GrowthDirection and scrollOffset (cla: yes, d: api docs, framework, waiting for tree to go green)
39289 CupertinoActivityIndicator & CupertinoApp dark mode (cla: yes, f: cupertino, framework)
39299 Add showAboutDialog sample (cla: yes, f: material design, framework)
39300 Add smoke tests for Catalina/Android testing. (cla: yes, team)
39312 let flutter build aar use a local engine (cla: yes, tool)
39333 Allow independent theming of Persistent and Modal bottom sheets Background Color (cla: yes, f: material design, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-18 | 39338 [flutter_tool] Create a temp snapshot to run create_test.dart tests (cla: yes, tool)
39344 Upstream changes necessary for text editing in flutter web (a: text input, cla: yes, framework, ☸ platform-web)
39345 Adding header rule to FB hosting for API docs. (cla: yes, team)
39347 Revert “Add smoke tests for Catalina/Android testing.” (cla: yes, team)
39353 Rename macos_build_flutter_assets.sh (cla: yes, tool)
39354 Add IterableFlagsProperty and use it on proxy box classes (cla: yes, framework)
39357 Relax requirements around local engine, build hello_world with bitcode (cla: yes, d: examples, t: xcode, team, tool, ⌺ platform-ios) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-19 | 39358 surface errors from build runner (cla: yes, tool)
39361 [devicelab] Reland adding smoke tests for Catalina/Android testing (cla: yes, team)
39363 Move ios tests to the right section (cla: yes, team)
39364 Correct libraries path and remove dart:io and dart:isolate for dart platform (cla: yes, tool, ☸ platform-web)
39414 Make sure profile is forwarded through build web command (cla: yes, tool, ☸ platform-web)
39428 Replace doc example text (cla: yes, framework)
39429 Update packages –force-upgrade (cla: yes, team)
39430 make CupertinoDynamicColor const constructible (cla: yes, f: cupertino, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-20 | 39431 Revert “Relax requirements around local engine, build hello_world with bitcode” (cla: yes, d: examples, team, tool)
39432 Do not hide .git in zip for Windows (cla: yes, team, waiting for tree to go green)
39433 Add helperMaxLines to InputDecoration and InputDecorationTheme (cla: yes, f: material design, framework)
39434 Reland “Relax arguments around local engine, build hello_world with bitcode” (cla: yes, d: examples, team, tool)
39439 Measure iOS CPU/GPU percentage (cla: yes, severe: performance, team)
39440 Allow gaps in the initial route (cla: yes, f: routes, framework, severe: API break, ☸ platform-web) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-21 | 39445 [flutter_tool] Add onError callback to asyncGuard. Use it in Doctor (cla: yes, tool)
39446 Add viewType to PlatformViewLink (a: platform-views, cla: yes, framework)
39447 Revert “Better docs for text (ready to land)” (cla: yes, f: material design, framework)
39448 Update README.md (cla: yes, team)
39450 Check phone number formatting in the gallery text fields demo (cla: yes, d: examples, f: material design, team, team: gallery)
39457 Log flags in build apk and appbundle (cla: yes)
39462 Remove run in shell and add unit test for chrome launching (cla: yes, tool, ☸ platform-web) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-22 | 39463 Update validation to support Xcode11 version (cla: yes, t: xcode, tool, waiting for tree to go green, 💻platform-catalina)
39503 Remove bitcode=NO from add-to-app flows (cla: yes, team, tool)
39504 Revert “Expose text metrics in TextPainter.” (cla: yes, framework)
39505 fix recursiveCopy to preserve executable bit (cla: yes, team)
39509 Skip failing add2app test to unblock roll (a: tests, cla: yes, team)
39514 kill leaked chrome processes (cla: yes, team)
39515 migrate from slow async io calls (a: tests, cla: yes, framework, team) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-23 | 39519 Reland “Expose LineMetrics in TextPainter (#39282)” (cla: yes, framework)
39523 Revert “Add handling of ‘TextInput.clearClient’ message from platform… (cla: yes, framework)
39524 Register flutterVersion service in flutter_tools. (cla: yes, tool)
39530 keep symbols for profile (cla: yes, tool)
39535 Do not render any frames when just initializing Bindings (a: tests, cla: yes, framework, severe: API break, waiting for tree to go green)
39539 Keep Flutter.framework binaries writable so they can be code signed (a: existing-apps, cla: yes, t: xcode, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-24 | 39540 Revert “Roll engine 9a17d8e45197..101e03c1c841 (4 commits)” (cla: yes, engine)
39541 Handle single unsupported device (cla: yes, team, tool)
39543 create .dart_tool if it is missing (cla: yes, tool, ☸ platform-web)
39545 remove a period from the service protocol printout (cla: yes, tool)
39555 Use feature flags to control build command visibility (cla: yes, tool)
39558 Filter error message from skip build script checks (cla: yes, tool)
39572 Prevent exception when creating a Divider borderSide (cla: yes, f: material design, framework) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-25 | 39577 Use dpr and window size from binding for accessibility guide (a: tests, cla: yes, framework)
39579 [flutter_tools] Add a timeout to another showBuildSettings command (cla: yes, tool)
39580 Mark flutter_gallery__transition_perf as non-flaky (cla: yes, team)
39581 Update dartdoc to 0.28.5 (cla: yes, team)
39583 Fix single action banner to ensure button alignment (cla: yes, f: material design, framework)
39585 remove fallback code for ios/usb artifacts (cla: yes, tool, waiting for tree to go green)
39588 Revert “fix recursiveCopy to preserve executable bit” (cla: yes, team) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-26 | 39589 Re-Land of HighlightMode change with benchmark improvements. (a: desktop, cla: yes, framework)
39590 Fix user gesture in CupertinoPageRoute (cla: yes, f: cupertino, framework)
39594 Reland “fix recursiveCopy to preserve executable bit” (cla: yes, team)
39598 disable low value linux tests (cla: yes, team)
39600 Let Material BackButton have a custom onPressed handler (cla: yes, f: material design, framework)
39626 disable low value windows tests (cla: yes, team)
39627 Default colorScheme data in ButtonThemeData (fix for #38655) (cla: yes, f: material design, framework, passed first triage) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-27 | 39628 Automatically generated registrants for web plugins (cla: yes, team, tool, ☸ platform-web)
39632 Updates to debugFillProperties to test all properties in slider.dart and slider_test.dart (cla: yes, f: material design, framework, waiting for tree to go green)
39654 Use persisted build information to automatically clean old outputs (cla: yes, tool)
39670 Center action icons of swipe to dismiss example (cla: yes, d: examples, f: material design, team, team: gallery)
39699 Detecting when installing over MingW’s Git Bash, fixing paths (cla: yes, tool, waiting for tree to go green)
39701 Remove input files argument to target (cla: yes, tool)
39702 Fix macOS App.framework version symlink (cla: yes, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
9935b6bd1c24-28 | 39747 Fix type mismatch in Gradle (cla: yes, tool)
39748 print launching on device message (cla: yes, tool, ☸ platform-web)
39751 Minor cleanup and prevent multiple exit (cla: yes, tool, ☸ platform-web)
39752 Add delay to recompile request for web (cla: yes, tool)
39756 remove web flag from create (cla: yes, tool)
39761 Null TextWidthBasis docs (cla: yes, f: material design, framework)
39765 CupertinoButton & Bottom tab bar dark mode (cla: yes, f: cupertino, f: material design, framework)
39768 Revert “Remove input files argument to target” (cla: yes, tool) | https://docs.flutter.dev/development/tools/sdk/release-notes/changelogs/changelog-1.12.13/index.html |
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