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doc/README: update docker instructions for Qt6 android build

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mappu 2025-02-15 18:20:49 +13:00
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@ -275,6 +275,8 @@ See FAQ Q3 for advice about docker performance.
*Tested with Raymii Qt 5.15 / Android SDK 31 / Android NDK 22*
*Tested with Qt.io Qt 6.6 / Android SDK 33 / Android NDK 25*
MIQT supports compiling for Android. Some extra steps are required to bridge the Java, C++, Go worlds.
![](doc/android-architecture.png)
@ -285,11 +287,13 @@ MIQT supports compiling for Android. Some extra steps are required to bridge the
- Ensure to `import "C"`.
- Check `examples/android` to see how to support both Android and desktop platforms.
2. Build the necessary docker container for cross-compilation:
- `docker build -t miqt/android:latest -f docker/android-armv8a-go1.23-qt5.15-dynamic.Dockerfile .`
- (Qt 5) `docker build -t miqt/android:latest -f docker/android-armv8a-go1.23-qt5.15-dynamic.Dockerfile .`
- (Qt 6) `docker build -t miqt/android:latest -f docker/android-armv8a-go1.23-qt6.6-dynamic.Dockerfile .`
3. Build your application as `.so` format:
- `docker run --rm -v $(pwd):/src -w /src miqt/android:latest go build -buildmode c-shared -ldflags "-s -w -extldflags -Wl,-soname,my_go_app.so" -o android-build/libs/arm64-v8a/my_go_app.so`
4. Build the Qt linking stub:
- `docker run --rm -v $(pwd):/src -w /src miqt/android:latest android-stub-gen.sh my_go_app.so AndroidMain android-build/libs/arm64-v8a/libRealAppName_arm64-v8a.so`
- (Qt 5) `docker run --rm -v $(pwd):/src -w /src miqt/android:latest android-stub-gen.sh my_go_app.so AndroidMain android-build/libs/arm64-v8a/libRealAppName_arm64-v8a.so`
- (Qt 6) Add `--qt6` final argument
- The linking stub is needed because Qt for Android will itself only call a function named `main`, but `c-shared` can't create one.
5. Build the [androiddeployqt](https://doc.qt.io/qt-6/android-deploy-qt-tool.html) configuration file:
- `docker run --rm -v $(pwd):/src -w /src miqt/android:latest android-mktemplate.sh RealAppName deployment-settings.json`