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Build Flutter app for linux-arm/arm64


Native Build​

Target(Linux ARM/ARM64)​

git clone https://github.com/flutter/flutter.git $HOME/development/flutter
cd $HOME/development/flutter \
&& git checkout stable
mkdir -p $HOME/development/flutter/bin/cache
export PATH=$PATH:$HOME/development/flutter/bin

Host(Linux x86_64)​

info

Read Build engine for linux-arm64 for out/linux_<profile/release>_<arm/arm64>

cd $HOME/flutter-engine/engine/src/out/linux_release_arm64
rsync -a dart-sdk  <target user>@<target ip>:~/development/flutter/bin/cache

Target(Linux ARM/ARM64)​

cp $HOME/development/flutter/bin/internal/engine.version \
    $HOME/development/flutter/bin/cache/engine-dart-sdk.stamp
$ flutter doctor
Building flutter tool...

  ╔════════════════════════════════════════════════════════════════════════════╗
  ║                 Welcome to Flutter! - https://flutter.dev                  ║
  ║                                                                            ║
  ║ The Flutter tool uses Google Analytics to anonymously report feature usage ║
  ║ statistics and basic crash reports. This data is used to help improve      ║
  ║ Flutter tools over time.                                                   ║
  ║                                                                            ║
  ║ Flutter tool analytics are not sent on the very first run. To disable      ║
  ║ reporting, type 'flutter config --no-analytics'. To display the current    ║
  ║ setting, type 'flutter config'. If you opt out of analytics, an opt-out    ║
  ║ event will be sent, and then no further information will be sent by the    ║
  ║ Flutter tool.                                                              ║
  ║                                                                            ║
  ║ By downloading the Flutter SDK, you agree to the Google Terms of Service.  ║
  ║ Note: The Google Privacy Policy describes how data is handled in this      ║
  ║ service.                                                                   ║
  ║                                                                            ║
  ║ Moreover, Flutter includes the Dart SDK, which may send usage metrics and  ║
  ║ crash reports to Google.                                                   ║
  ║                                                                            ║
  ║ Read about data we send with crash reports:                                ║
  ║ https://flutter.dev/docs/reference/crash-reporting                         ║
  ║                                                                            ║
  ║ See Google's privacy policy:                                               ║
  ║ https://policies.google.com/privacy                                        ║
  ╚════════════════════════════════════════════════════════════════════════════╝


Downloading Material fonts...                                    2,337ms
Downloading Gradle Wrapper...                                       64ms
Downloading package sky_engine...                                1,139ms
Downloading flutter_patched_sdk tools...                            3.1s
Downloading flutter_patched_sdk_product tools...                 2,334ms
Downloading linux-x64 tools...                                      4.7s
Downloading linux-x64/font-subset tools...                       1,701ms
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel master, 1.25.0-9.0.pre.57, on Linux, locale C.UTF-8)
[✗] Android toolchain - develop for Android devices
    ✗ Unable to locate Android SDK.
      Install Android Studio from: https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK components.
      (or visit https://flutter.dev/docs/get-started/install/linux#android-setup for detailed instructions).
      If the Android SDK has been installed to a custom location, please use
      `flutter config --android-sdk` to update to that location.

[✗] Chrome - develop for the web (Cannot find Chrome executable at google-chrome)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.
[!] Android Studio (not installed)
[!] Connected device
    ! No devices available

! Doctor found issues in 4 categories.
flutter config --enable-linux-desktop

Host(Linux x86_64)​

cd $HOME/flutter-engine/engine/src/out/linux_debug_arm64
rsync -a flutter_linux \
    flutter_tester \
    font-subset \
    icudtl.dat \
    libflutter_linux_gtk.so \
    gen/const_finder.dart.snapshot \
    gen/frontend_server.dart.snapshot \
    gen/flutter/lib/snapshot/isolate_snapshot.bin \
    gen/flutter/lib/snapshot/vm_isolate_snapshot.bin \
    <target user>@<target ip>:~/development/flutter/bin/cache/artifacts/engine/linux-arm64
rsync -a flutter_patched_sdk \
    <target user>@<target ip>:~/development/flutter/bin/cache/artifacts/engine/common
cd $HOME/flutter-engine/engine/src/out/linux_profile_arm64
rsync -a flutter_linux gen_snapshot libflutter_linux_gtk.so \
    <target user>@<target ip>:~/development/flutter/bin/cache/artifacts/engine/linux-arm64-profile
cd $HOME/flutter-engine/engine/src/out/linux_release_arm64
mv flutter_patched_sdk flutter_patched_sdk_product
rsync -a flutter_patched_sdk_product \
    <target user>@<target ip>:~/development/flutter/bin/cache/artifacts/engine/common
rsync -a flutter_linux gen_snapshot libflutter_linux_gtk.so \
    <target user>@<target ip>:~/development/flutter/bin/cache/artifacts/engine/linux-arm64-release

Target(Linux ARM/ARM64)​

flutter create sample \
&& cd sample

Run debug mode​

flutter run -d linux

Run release mode​

flutter build linux
./build/linux/release/bundle/sample

Build-troubleshoot​

flutter build linux --verbose

Run Without Xwindow(On console mode)​

xinit /path/to/sample/build/linux/release/bundle/sample
info

Run export DISPLAY=:0 when accessing target from host using ssh. Then execute flutter run.


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