update minSdkVersion to 19

example/android/app/build.gradle

@@ -40,7 +40,7 @@ android {
         applicationId "net.sourceforge.simcpux"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName