Fix: QR scanning issues on API below 24.

This had to do with the zebra crossing (zxing) library using a Java 8 sorted API that is not available until Android API 24. The previous fix was to revert to an older version of zxing but now R8/D8 allows for desugaring so that the sort API now works.

app/build.gradle

@@ -78,6 +78,8 @@ android {
         }
     }
     compileOptions {
+        // emable support for new langauge APIs but also fix the issue with zxing on API < 24
+        coreLibraryDesugaringEnabled true
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
@@ -146,6 +148,8 @@ dependencies {
     implementation Deps.AndroidX.Navigation.UI_KTX
     implementation Deps.AndroidX.Room.ROOM_KTX
     kapt Deps.AndroidX.Room.ROOM_COMPILER
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
+
 
     // Google
     implementation Deps.Google.GUAVA

app/src/main/java/cash/z/ecc/android/ui/scan/QrAnalyzer.kt

@@ -44,6 +44,7 @@ class QrAnalyzer(val scanCallback: (qrContent: String, image: ImageProxy) -> Uni
             null
         } catch (e: Throwable) {
             twig("Error while scanning QR: $e")
+            twig(e)
             null
         }
     }