authpage fixes

android/app/build.gradle

@@ -5,7 +5,6 @@ if (localPropertiesFile.exists()) {
         localProperties.load(reader)
     }
 }
-
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
@@ -50,7 +49,7 @@ android {
         applicationId "com.example.ruswipeshare"
         // 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 flutter.minSdkVersion
+        minSdkVersion 19
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName