• KMM - Kotlin Multiplatform Mobile
• Jetpack Compose - Android’s modern toolkit for building native UI
• SwiftUI - UI toolkit by Apple to design apps in a declarative manner
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KMM - KMP, but more emphasis
on mobile
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Important bits
A Kotlin Mobile Multiplatform project consists of three components:
• Shared module
• Android application
• iOS application
Goal : create a facade over networking and
cache service
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Goal : create a facade over networking and
cache service
First, lets take care of networking
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Now, we create the cache service
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Shared module (buildscript)
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Shared module (buildscript)
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Shared module (buildscript)
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Shared module (buildscript)
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Shared module (buildscript)
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By default, SQLDelight plugin reads .sq files from the
sqldelight folder
We create the package specified in the packageName
parameter
Inside it, we create the .sq file with the name of our
database
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AppDatabase.sq
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AppDatabase.sq
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AppDatabase.sq
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AppDatabase.sq
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AppDatabase.sq
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To initialize AppDatabase, we needs to pass an
SqlDriver instance to it
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DatabaseDriverFactory (commonMain)
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DatabaseDriverFactory (commonMain)
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DatabaseDriverFactory (commonMain)
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DatabaseDriverFactory (androidMain)
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DatabaseDriverFactory (androidMain)
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DatabaseDriverFactory (androidMain)
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DatabaseDriverFactory (androidMain)
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DatabaseDriverFactory (androidMain)
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DatabaseDriverFactory (androidMain)
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DatabaseDriverFactory (iosMain)
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DatabaseDriverFactory (iosMain)
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DatabaseDriverFactory (iosMain)
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DatabaseDriverFactory (iosMain)
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DatabaseDriverFactory (iosMain)
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Now that we have a SqlDriverFactory, we can
proceed with initializing AppDatabase
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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Database (commonMain)
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With networking and cache service done, we
can finally create our facade
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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SpaceXSDK (commonMain)
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Time for jetpack compose
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build.gradle.kts (androidApp)
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build.gradle.kts (androidApp)
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build.gradle.kts (androidApp)
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build.gradle.kts (androidApp)
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build.gradle.kts (androidApp)
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build.gradle.kts (androidApp)
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build.gradle.kts (androidApp)
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MainActivity (androidApp)
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MainActivity (androidApp)
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MainActivity (androidApp)
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MainActivity (androidApp)
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MainActivity (androidApp)
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MainActivity (androidApp)
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MainActivity (androidApp)
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MainActivity (androidApp)
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Building with SwiftUI
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RocketLaunchRow.swift (iosApp)
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RocketLaunchRow.swift (iosApp)
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RocketLaunchRow.swift (iosApp)
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RocketLaunchRow.swift (iosApp)
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RocketLaunchRow.swift (iosApp)
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RocketLaunchRow.swift (iosApp)
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Pros (and Cons?)
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Pros (and Cons?)
• Maximum code sharing
• Expect/Actual pattern
• Concurrency in Kotlin/Native
• Single framework for shared module