Merge pull request #813 from embrace-io/alter-err-msg

Improve error message when desugaring not enabled

embrace-android-sdk/src/main/java/io/embrace/android/embracesdk/injection/OpenTelemetryModule.kt

@@ -98,10 +98,19 @@ internal class OpenTelemetryModuleImpl(
 
  private val openTelemetrySdk: OpenTelemetrySdk by lazy {
  Systrace.traceSynchronous("otel-sdk-wrapper-init") {
- OpenTelemetrySdk(
- openTelemetryClock = initModule.openTelemetryClock,
- configuration = openTelemetryConfiguration
- )
+ try {
+ OpenTelemetrySdk(
+ openTelemetryClock = initModule.openTelemetryClock,
+ configuration = openTelemetryConfiguration
+ )
+ } catch (exc: NoClassDefFoundError) {
+ throw LinkageError(
+ "Please enable library desugaring in your project to use the Embrace SDK. " +
+ "This is required if you target API levels below 24. For instructions, please see " +
+ "https://developer.android.com/studio/write/java8-support#library-desugaring",
+ exc
+ )
+ }
  }
  }