A library to convert Uber's H3 geo-index to LatLng vertices for Kotlin Multiplatform Mobile iOS and android
- Uber H3 in one interface
- Common interface available on KMM Shared
- iOS
- Deployment Target 9.0 or higher
- Android
- minSdkVersion 21
Add this gradle settings into your KMP(Kotlin Multiplatform Project)
plugins { id("com.android.library") kotlin("multiplatform") } val h3Lib = "com.linecorp.abc:kmm-h3:0.1.7" kotlin { android() ios { binaries .filterIsInstance<Framework>() .forEach { it.baseName = "shared" it.transitiveExport = true it.export(h3Lib) } } sourceSets { val commonMain by getting { dependencies { implementation(h3Lib) } } val commonTest by getting { dependencies { implementation(kotlin("test-common")) implementation(kotlin("test-annotations-common")) } } val androidMain by getting { dependencies { implementation(h3Lib) api(h3Lib) } } val androidTest by getting { dependencies { implementation(kotlin("test-junit")) implementation("junit:junit:4.13.2") implementation("androidx.test:core:1.0.0") implementation("androidx.test:runner:1.1.0") implementation("org.robolectric:robolectric:4.2") } } val iosMain by getting { dependencies { implementation(h3Lib) api(h3Lib) } } val iosTest by getting } }Android
- Copy and paste
jniLibsfolder into src/main in your project
iOS
- Cocoapods
-
Create
Podfilewith below setting in your project root.use_frameworks! platform :ios, '9.0' install! 'cocoapods', :deterministic_uuids => false target 'iosApp' do pod 'shared', :path => '../shared/' end
-
Run command
pod installon the terminal
Android
val h3Indexes = listOf( "87283082bffffff", "872830870ffffff", "872830820ffffff", "87283082effffff", ) val polygons = H3.polygons(h3Indexes) /* [Polygon(h3Index=87283082bffffff, vertices=[LatLng(lat=37.78529347359727, lng=-122.41077092287513), LatLng(lat=37.79707086149341, lng=-122.40326874464051), LatLng(lat=37.80760100422449, lng=-122.41208776737979), ... */iOS
let h3Indexes = [ "87283082bffffff", "872830870ffffff", "872830820ffffff", "87283082effffff", ] let polygons = H3.Companion().polygons(h3Indexes: h3Indexes) print("polygons", polygons) /* [Polygon(h3Index=87283082bffffff, vertices=[LatLng(lat=37.78529347359727, lng=-122.41077092287512), LatLng(lat=37.79707086149341, lng=-122.4032687446405), LatLng(lat=37.80760100422449, lng=-122.41208776737977), ... */- Get Geo Boundaries