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Add code and config for a minimal Android app, and instructions to build and run it. Improve Android build instructions in general. Add a tool subcommand to download the Gradle wrapper (with its binary blob). Android studio must be downloaded manually (due to the license).
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| # The Gradle wrapper should be downloaded by running `../android.py setup-testbed`. | ||
| /gradlew | ||
| /gradlew.bat | ||
| /gradle/wrapper/gradle-wrapper.jar | ||
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| *.iml | ||
| .gradle | ||
| /local.properties | ||
| /.idea/caches | ||
| /.idea/deploymentTargetDropdown.xml | ||
| /.idea/libraries | ||
| /.idea/modules.xml | ||
| /.idea/workspace.xml | ||
| /.idea/navEditor.xml | ||
| /.idea/assetWizardSettings.xml | ||
| .DS_Store | ||
| /build | ||
| /captures | ||
| .externalNativeBuild | ||
| .cxx | ||
| local.properties |
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| @@ -0,0 +1 @@ | ||
| /build |
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| import com.android.build.api.variant.* | ||
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| plugins { | ||
| id("com.android.application") | ||
| id("org.jetbrains.kotlin.android") | ||
| } | ||
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| val PYTHON_DIR = File(projectDir, "../../..").canonicalPath | ||
| val PYTHON_CROSS_DIR = "$PYTHON_DIR/cross-build" | ||
| val ABIS = mapOf( | ||
| "arm64-v8a" to "aarch64-linux-android", | ||
| "x86_64" to "x86_64-linux-android", | ||
| ) | ||
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| val PYTHON_VERSION = File("$PYTHON_DIR/Include/patchlevel.h").useLines { | ||
| for (line in it) { | ||
| val match = """#define PY_VERSION\s+"(\d+\.\d+)""".toRegex().find(line) | ||
| if (match != null) { | ||
| return@useLines match.groupValues[1] | ||
| } | ||
| } | ||
| throw GradleException("Failed to find Python version") | ||
| } | ||
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| android { | ||
| namespace = "org.python.testbed" | ||
| compileSdk = 34 | ||
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| defaultConfig { | ||
| applicationId = "org.python.testbed" | ||
| minSdk = 21 | ||
| targetSdk = 34 | ||
| versionCode = 1 | ||
| versionName = "1.0" | ||
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| ndk.abiFilters.addAll(ABIS.keys) | ||
| externalNativeBuild.cmake.arguments( | ||
| "-DPYTHON_CROSS_DIR=$PYTHON_CROSS_DIR", | ||
| "-DPYTHON_VERSION=$PYTHON_VERSION") | ||
| } | ||
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| externalNativeBuild.cmake { | ||
| path("src/main/c/CMakeLists.txt") | ||
| } | ||
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| // Set this property to something non-empty, otherwise it'll use the default | ||
| // list, which ignores asset directories beginning with an underscore. | ||
| aaptOptions.ignoreAssetsPattern = ".git" | ||
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| compileOptions { | ||
| sourceCompatibility = JavaVersion.VERSION_1_8 | ||
| targetCompatibility = JavaVersion.VERSION_1_8 | ||
| } | ||
| kotlinOptions { | ||
| jvmTarget = "1.8" | ||
| } | ||
| } | ||
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| dependencies { | ||
| implementation("androidx.appcompat:appcompat:1.6.1") | ||
| implementation("com.google.android.material:material:1.11.0") | ||
| implementation("androidx.constraintlayout:constraintlayout:2.1.4") | ||
| } | ||
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| // Create some custom tasks to copy Python and its standard library from | ||
| // elsewhere in the repository. | ||
| androidComponents.onVariants { variant -> | ||
| generateTask(variant, variant.sources.assets!!) { | ||
| into("python") { | ||
| for (triplet in ABIS.values) { | ||
| for (subDir in listOf("include", "lib")) { | ||
| into(subDir) { | ||
| from("$PYTHON_CROSS_DIR/$triplet/prefix/$subDir") | ||
| include("python$PYTHON_VERSION/**") | ||
| duplicatesStrategy = DuplicatesStrategy.EXCLUDE | ||
| } | ||
| } | ||
| } | ||
| into("lib/python$PYTHON_VERSION") { | ||
| // Uncomment this to pick up edits from the source directory | ||
| // without having to rerun `make install`. | ||
| // from("$PYTHON_DIR/Lib") | ||
| // duplicatesStrategy = DuplicatesStrategy.INCLUDE | ||
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| into("site-packages") { | ||
| from("$projectDir/src/main/python") | ||
| } | ||
| } | ||
| } | ||
| exclude("**/__pycache__") | ||
| } | ||
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| generateTask(variant, variant.sources.jniLibs!!) { | ||
| for ((abi, triplet) in ABIS.entries) { | ||
| into(abi) { | ||
| from("$PYTHON_CROSS_DIR/$triplet/prefix/lib") | ||
| include("libpython*.*.so") | ||
| include("lib*_python.so") | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| fun generateTask( | ||
| variant: ApplicationVariant, directories: SourceDirectories, | ||
| configure: GenerateTask.() -> Unit | ||
| ) { | ||
| val taskName = "generate" + | ||
| listOf(variant.name, "Python", directories.name) | ||
| .map { it.replaceFirstChar(Char::uppercase) } | ||
| .joinToString("") | ||
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| directories.addGeneratedSourceDirectory( | ||
| tasks.register<GenerateTask>(taskName) { | ||
| into(outputDir) | ||
| configure() | ||
| }, | ||
| GenerateTask::outputDir) | ||
| } | ||
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| // addGeneratedSourceDirectory requires the task to have a DirectoryProperty. | ||
| abstract class GenerateTask: Sync() { | ||
| @get:OutputDirectory | ||
| abstract val outputDir: DirectoryProperty | ||
| } |
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| <?xml version="1.0" encoding="utf-8"?> | ||
| <manifest xmlns:android="http://schemas.android.com/apk/res/android"> | ||
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| <uses-permission android:name="android.permission.INTERNET"/> | ||
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| <application | ||
| android:icon="@drawable/ic_launcher" | ||
| android:label="@string/app_name" | ||
| android:theme="@style/Theme.Material3.Light.NoActionBar"> | ||
| <activity | ||
| android:name=".MainActivity" | ||
| android:exported="true"> | ||
| <intent-filter> | ||
| <action android:name="android.intent.action.MAIN" /> | ||
| <category android:name="android.intent.category.LAUNCHER" /> | ||
| </intent-filter> | ||
| </activity> | ||
| </application> | ||
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| </manifest> |
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| cmake_minimum_required(VERSION 3.4.1) | ||
| project(testbed) | ||
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| set(PREFIX_DIR ${PYTHON_CROSS_DIR}/${CMAKE_LIBRARY_ARCHITECTURE}/prefix) | ||
| include_directories(${PREFIX_DIR}/include/python${PYTHON_VERSION}) | ||
| link_directories(${PREFIX_DIR}/lib) | ||
| link_libraries(log python${PYTHON_VERSION}) | ||
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| add_library(main_activity SHARED main_activity.c) |
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