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

android/app/src/main/java/io/flutter/app/FlutterMultiDexApplication.java

@@ -0,0 +1,25 @@
+// Generated file.
+//
+// If you wish to remove Flutter's multidex support, delete this entire file.
+//
+// Modifications to this file should be done in a copy under a different name
+// as this file may be regenerated.
+
+package io.flutter.app;
+
+import android.app.Application;
+import android.content.Context;
+import androidx.annotation.CallSuper;
+import androidx.multidex.MultiDex;
+
+/**
+ * Extension of {@link android.app.Application}, adding multidex support.
+ */
+public class FlutterMultiDexApplication extends Application {
+  @Override
+  @CallSuper
+  protected void attachBaseContext(Context base) {
+    super.attachBaseContext(base);
+    MultiDex.install(this);
+  }
+}