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https://github.com/logos-messaging/nim-ffi.git
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c51f313cd2
An Android library module wrapping the timer library's native ABI behind an idiomatic Kotlin `TimerNode` class via a JNI shim. `build-libs.sh` cross-compiles two native libraries per ABI (arm64-v8a + x86_64) into src/main/jniLibs/: libmy_timer.so (the Nim library) and libmy_timer_jni.so (the JNI bridge, which NEEDs the former). The shim turns each Kotlin `external fun` into a blocking call and reads the typed EchoResponse struct out of the result callback. Gradle packages everything under jniLibs/ automatically; an instrumented test covers create/version/echo on a device/emulator. Native build validated for both ABIs (correct aarch64/x86_64 ELF, JNI symbols exported, libmy_timer.so linked). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
38 lines
1.0 KiB
Plaintext
38 lines
1.0 KiB
Plaintext
// Android library module wrapping the timer library. The native .so files are
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// produced by ./build-libs.sh into src/main/jniLibs/<abi>/ and packaged
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// automatically by the Android Gradle plugin.
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plugins {
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id("com.android.library")
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id("org.jetbrains.kotlin.android")
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}
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android {
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namespace = "org.logos.mytimer"
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compileSdk = 34
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defaultConfig {
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minSdk = 21
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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// Limit to the ABIs build-libs.sh produces. Add more rows there + here
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// (armeabi-v7a, x86) if you need them.
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ndk {
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abiFilters += listOf("arm64-v8a", "x86_64")
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}
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}
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sourceSets["main"].kotlin.srcDir("src/main/kotlin")
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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}
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kotlinOptions {
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jvmTarget = "17"
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}
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}
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dependencies {
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androidTestImplementation("androidx.test.ext:junit:1.1.5")
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androidTestImplementation("androidx.test:runner:1.5.2")
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}
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