add file provider

android/flutter_webview_plugin.iml

@@ -124,7 +124,7 @@
     <orderEntry type="library" scope="TEST" name="Gradle: org.objenesis:objenesis:2.6@jar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:core:1.2.0@aar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:monitor:1.2.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: io.flutter:flutter_embedding_debug:1.0.0-2994f7e1e682039464cb25e31a78b86a3c59b695@jar" level="project" />
+    <orderEntry type="library" name="Gradle: io.flutter:flutter_embedding_debug:1.0.0-e1e6ced81d029258d449bdec2ba3cddca9c2ca0c@jar" level="project" />
     <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-common-java8:2.0.0@jar" level="project" />
     <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-common:2.1.0@jar" level="project" />
     <orderEntry type="library" name="Gradle: androidx.collection:collection:1.1.0@jar" level="project" />

android/src/main/AndroidManifest.xml

@@ -4,7 +4,7 @@
 
     <application>
         <provider
-            android:name="androidx.core.content.FileProvider"
+            android:name=".WebViewFileProvider"
             android:authorities="${applicationId}.fileprovider"
             android:exported="false"
             android:grantUriPermissions="true"

android/src/main/java/com/flutter_webview_plugin/WebViewFileProvider.java

@@ -0,0 +1,6 @@
+package com.flutter_webview_plugin;
+
+import androidx.core.content.FileProvider;
+
+public class WebViewFileProvider extends FileProvider {
+}