Take back the target SDK version a notch (from 29 to 28) to gain some time to study #4

Author: MrCsabaToth

build.gradle

@@ -21,11 +21,11 @@ repositories {
 }
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 28
 
     defaultConfig {
         minSdkVersion 19
-        targetSdkVersion 29
+        targetSdkVersion 28
         versionCode 9
         versionName "1.3"
     }