cpp: add Android backend support #11628
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| # Slint C++ Android Template | ||
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| This directory contains a template project for building Slint C++ applications | ||
| on Android using Gradle and CMake. | ||
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| See the [Slint C++ Android documentation](https://slint.dev/docs/guide/platforms/mobile/android-cpp) | ||
| for detailed instructions. | ||
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| ## Quick Start | ||
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| 1. Copy this directory to create your project. | ||
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| 2. Set up the required environment variables: | ||
| ```sh | ||
| export ANDROID_HOME=$HOME/Android/Sdk | ||
| export ANDROID_NDK_ROOT=$ANDROID_HOME/ndk/<version> | ||
| ``` | ||
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| 3. Install the Rust Android target: | ||
| ```sh | ||
| rustup target add aarch64-linux-android | ||
| ``` | ||
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| 4. Edit `app/src/main/cpp/main.cpp` and `app/src/main/cpp/main.slint` with | ||
| your application code. | ||
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| 5. Build and deploy: | ||
| ```sh | ||
| ./gradlew installDebug | ||
| ``` | ||
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| ## Project Structure | ||
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| - `app/build.gradle.kts` - Android app configuration (SDK versions, CMake setup) | ||
| - `app/src/main/AndroidManifest.xml` - Android manifest with NativeActivity | ||
| - `app/src/main/cpp/CMakeLists.txt` - CMake build for C++ code and Slint | ||
| - `app/src/main/cpp/main.cpp` - Application entry point (`slint_main`) | ||
| - `app/src/main/cpp/main.slint` - Slint UI definition | ||
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| // Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| plugins { | ||
| id("com.android.application") | ||
| } | ||
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| android { | ||
| namespace = "dev.slint.app" | ||
| compileSdk = 35 | ||
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| defaultConfig { | ||
| applicationId = "dev.slint.app" | ||
| // API 26 required for InMemoryDexClassLoader used by the Slint Android backend | ||
| minSdk = 26 | ||
| targetSdk = 35 | ||
| versionCode = 1 | ||
| versionName = "1.0" | ||
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| ndk { | ||
| // Add other ABIs as needed: "armeabi-v7a", "x86_64", "x86" | ||
| abiFilters += "arm64-v8a" | ||
| } | ||
| } | ||
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| buildTypes { | ||
| release { | ||
| isMinifyEnabled = false | ||
| } | ||
| } | ||
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| externalNativeBuild { | ||
| cmake { | ||
| path = file("src/main/cpp/CMakeLists.txt") | ||
| version = "3.22.1" | ||
| } | ||
| } | ||
| } |
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| <!-- Copyright © SixtyFPS GmbH <info@slint.dev> --> | ||
| <!-- SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 --> | ||
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| <?xml version="1.0" encoding="utf-8"?> | ||
| <manifest xmlns:android="http://schemas.android.com/apk/res/android"> | ||
| <application | ||
| android:label="Slint App" | ||
| android:hasCode="false"> | ||
| <activity | ||
| android:name="android.app.NativeActivity" | ||
| android:exported="true" | ||
| android:configChanges="orientation|screenSize|keyboardHidden"> | ||
| <meta-data | ||
| android:name="android.app.lib_name" | ||
| android:value="app" /> | ||
| <intent-filter> | ||
| <action android:name="android.intent.action.MAIN" /> | ||
| <category android:name="android.intent.category.LAUNCHER" /> | ||
| </intent-filter> | ||
| </activity> | ||
| </application> | ||
| </manifest> |
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| # Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| # SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| cmake_minimum_required(VERSION 3.21) | ||
| project(SlintApp LANGUAGES CXX) | ||
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| include(FetchContent) | ||
| FetchContent_Declare( | ||
| Slint | ||
| GIT_REPOSITORY https://github.com/slint-ui/slint.git | ||
| GIT_TAG v1.17.0 | ||
| SOURCE_SUBDIR api/cpp | ||
| ) | ||
| FetchContent_MakeAvailable(Slint) | ||
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| add_library(app SHARED main.cpp) | ||
| target_link_libraries(app PRIVATE Slint::Slint) | ||
| slint_target_sources(app main.slint) |
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| // Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| #include "main.h" // Generated from main.slint | ||
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| // Entry point for Slint applications on Android. | ||
| // The Slint runtime takes care of Android platform initialization; | ||
| // this function is called once the platform is ready. | ||
| extern "C" void slint_main() | ||
| { | ||
| auto window = MainWindow::create(); | ||
| window->run(); | ||
| } |
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| // Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| export component MainWindow inherits Window { | ||
| preferred-width: 360px; | ||
| preferred-height: 640px; | ||
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| VerticalLayout { | ||
| alignment: center; | ||
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| Text { | ||
| text: "Hello from Slint on Android!"; | ||
| horizontal-alignment: center; | ||
| font-size: 24px; | ||
| } | ||
| } | ||
| } |
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| // Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| plugins { | ||
| id("com.android.application") version "8.7.0" apply false | ||
| } |
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| # Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| # SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| android.useAndroidX=true |
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| # Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| # SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| distributionBase=GRADLE_USER_HOME | ||
| distributionPath=wrapper/dists | ||
| distributionUrl=https\://services.gradle.org/distributions/gradle-8.11-bin.zip | ||
| zipStoreBase=GRADLE_USER_HOME | ||
| zipStorePath=wrapper/dists |
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| // Copyright © SixtyFPS GmbH <info@slint.dev> | ||
| // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0 | ||
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| pluginManagement { | ||
| repositories { | ||
| google() | ||
| mavenCentral() | ||
| gradlePluginPortal() | ||
| } | ||
| } | ||
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| dependencyResolution { | ||
| repositories { | ||
| google() | ||
| mavenCentral() | ||
| } | ||
| } | ||
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| rootProject.name = "SlintApp" | ||
| include(":app") |
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