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feat: added shared instance for independent components
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package io.customer.sdk | ||
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| import androidx.annotation.VisibleForTesting | ||
| import io.customer.base.internal.InternalCustomerIOApi | ||
| import io.customer.sdk.CustomerIOShared.Companion.instance | ||
| import io.customer.sdk.di.CustomerIOSharedComponent | ||
| import io.customer.sdk.util.LogcatLogger | ||
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| /** | ||
| * Singleton static instance of Customer.io SDK that is initialized exactly when | ||
| * [instance] is called the first time. The class should be lightweight and only | ||
| * be used to hold code that might be required before initializing the SDK. | ||
| * <p/> | ||
| * Some use cases of the class may include: | ||
| * - access selected SDK methods even when SDK is not initialized | ||
| * - contains code that cannot guarantee SDK initialization | ||
| * - notify user and prevent unwanted SDK crashes in case of late initialization | ||
| * - hold callbacks/values that might be needed post-initialization of the SDK | ||
| * - reduce challenges of communication when wrapping the SDK for non native | ||
| * platforms | ||
| * | ||
| * @property diGraph instance of DI graph to satisfy dependencies | ||
| */ | ||
| class CustomerIOShared private constructor( | ||
| val diGraph: CustomerIOSharedComponent | ||
| ) { | ||
| @VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE) | ||
| fun attachSDKConfig(sdkConfig: CustomerIOConfig) { | ||
| (diGraph.logger as? LogcatLogger)?.setPreferredLogLevel(logLevel = sdkConfig.logLevel) | ||
| } | ||
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| companion object { | ||
| private var INSTANCE: CustomerIOShared? = null | ||
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| @JvmStatic | ||
| @OptIn(InternalCustomerIOApi::class) | ||
| fun instance(): CustomerIOShared = createInstance(diGraph = null) | ||
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| @Synchronized | ||
| @InternalCustomerIOApi | ||
| @VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE) | ||
| fun createInstance( | ||
| diGraph: CustomerIOSharedComponent? = null | ||
| ): CustomerIOShared = INSTANCE ?: CustomerIOShared( | ||
| diGraph = diGraph ?: CustomerIOSharedComponent() | ||
| ).apply { INSTANCE = this } | ||
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| @InternalCustomerIOApi | ||
| @VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE) | ||
| fun clearInstance() { | ||
| INSTANCE = null | ||
| } | ||
| } | ||
| } |
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25 changes: 25 additions & 0 deletions
25
sdk/src/main/java/io/customer/sdk/di/CustomerIOSharedComponent.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package io.customer.sdk.di | ||
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| import io.customer.sdk.util.* | ||
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| /** | ||
| * Static/shared component dependency graph to satisfy independent dependencies | ||
| * from single place. All other graphs should never redefine dependencies defined | ||
| * here unless extremely necessary. | ||
| * <p/> | ||
| * The class should only contain dependencies matching the following criteria: | ||
| * - dependencies that may be required without SDK initialization | ||
| * - dependencies that are lightweight and are not dependent on SDK initialization | ||
| */ | ||
| @Suppress("MemberVisibilityCanBePrivate") | ||
| class CustomerIOSharedComponent : DiGraph() { | ||
| val staticSettingsProvider: StaticSettingsProvider by lazy { | ||
| override() ?: StaticSettingsProviderImpl() | ||
| } | ||
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| val logger: Logger by lazy { | ||
| override() ?: LogcatLogger(staticSettingsProvider = staticSettingsProvider) | ||
| } | ||
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| val dispatchersProvider: DispatchersProvider by lazy { override() ?: SdkDispatchers() } | ||
| } |
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18 changes: 18 additions & 0 deletions
18
sdk/src/main/java/io/customer/sdk/util/StaticSettingsProvider.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package io.customer.sdk.util | ||
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| import io.customer.sdk.BuildConfig | ||
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| /** | ||
| * Wrapper class to hold static/only one time defined properties from | ||
| * [BuildConfig] and other Android classes to achieve the following: | ||
| * - making it easier to test classes relying on these properties | ||
| * - create abstraction and reduce dependency from native Android properties; | ||
| * can be helpful in SDK wrappers | ||
| */ | ||
| interface StaticSettingsProvider { | ||
| val isDebuggable: Boolean | ||
| } | ||
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| class StaticSettingsProviderImpl : StaticSettingsProvider { | ||
| override val isDebuggable: Boolean = BuildConfig.DEBUG | ||
| } |
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