| commit | 35cd5df10033954c803f8396c4e592162db0b3ad | [log] [tgz] |
|---|---|---|
| author | Alexander Biggs <akbiggs@google.com> | Mon Nov 07 17:41:26 2022 +0000 |
| committer | Alexander Biggs <akbiggs@google.com> | Mon Nov 07 17:41:26 2022 +0000 |
| tree | acc0e430b0834b1fecedcff9c7daf85472addb45 | |
| parent | e47a47a9d887034d9f3a4aac41607ec032d948a9 [diff] |
[embedder] Update dependencies. We were a few months behind which isn't great, and also this was blocking a workflow I'm writing to run embedder examples with changes to the Fuchsia SDK. I noticed that I had introduced a bug where engine_revision was no longer getting updated, so I fixed that and added a local test. The way deleting product bundles has changed as well, updated to the new version. Tested: Ran scripts/tests/test_all.sh to verify the workflows still work, ran hello_flutter. Change-Id: If4f72d15563ca2d994232fec3bc68b2f6ee83e97 Reviewed-on: https://fuchsia-review.googlesource.com/c/flutter-embedder/+/753466 Reviewed-by: Ben Bergkamp <benbergkamp@google.com> Reviewed-by: Naud Ghebre <naudzghebre@google.com>
The Flutter Embedder for Fuchsia is a new in-progress runtime for Flutter apps on Fuchsia. This runtime is built on top of Flutter's embedder platform.
This repository is a work in progress and should be considered experimental.
If you're using WSL2 (Windows Subsystem for Linux), see SETUP_WINDOWS.md first.
Set $FUCHSIA_EMBEDDER_DIR to your flutter-embedder.git checkout location, for example ~/flutter-embedder.
export FUCHSIA_EMBEDDER_DIR=$HOME/flutter-embedder
Bootstrap the repository's dependencies:
$FUCHSIA_EMBEDDER_DIR/scripts/bootstrap.sh
This script initializes tools (including bazel and ffx), installs some Git hooks and downloads the workstation_eng.qemu-x64 product bundle, which you can use to run the examples below.
Start the emulator.
If running in a graphical environment:
$FUCHSIA_EMBEDDER_DIR/tools/ffx emu start workstation_eng.qemu-x64
If running in a terminal environment:
$FUCHSIA_EMBEDDER_DIR/tools/ffx emu start --headless workstation_eng.qemu-x64
The workflow below also supports Fuchsia builds from source that are within Fuchsia's SDK compatibility window (six weeks).
Set the default target in ffx to be fuchsia-emulator:
$FUCHSIA_EMBEDDER_DIR/tools/ffx target default set fuchsia-emulator
Run an example component:
$FUCHSIA_EMBEDDER_DIR/scripts/build_and_run_example.sh hello_flutter
To watch logs for the example component, run:
$FUCHSIA_EMBEDDER_DIR/scripts/build_and_run_example.sh hello_flutter --log
If you want to watch all logs, run $FUCHSIA_EMBEDDER_DIR/tools/ffx log in a separate terminal.
To watch FIDL calls for the example component, run:
$FUCHSIA_EMBEDDER_DIR/scripts/build_and_run_example.sh hello_flutter --fidl
Caveats:
--fidl currently requires setting $FUCHSIA_DIR to a Fuchsia source checkout with a build in $FUCHSIA_DIR/out/default. This directory is only used to read IR files for FIDL, you can still use the workstation_eng.qemu-x64 product bundle with --fidl.
--fidl attaches after the component has been run, so it does not pick up FIDL calls made when the component starts.
To attach a debugger to the example component, see debugging.md
TODO(akbiggs): Work with Bazel SDK team to get proper support for --fidl.
Running the Flutter app is handled by the Flutter Engine's embedder platform code. This code is compiled into a shared library called libflutter_engine.so, which we can interact with using the embedder.h header.
If you need to make changes to this Flutter Engine code (for example for testing a new API in embedder.h with this embedder) see making_engine_changes.md for instructions. This isn‘t required for changes to only flutter-embedder.git’s source code.
See git_workflow.md.