0.2.1

MainActivity.kt

@@ -1,9 +1,12 @@
 package com.example.app
 
 import android.os.Bundle
+import android.webkit.WebResourceRequest
+import android.webkit.WebResourceResponse
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.appcompat.app.AppCompatActivity
+import androidx.webkit.WebViewAssetLoader
 
 class MainActivity : AppCompatActivity() {
 
@@ -13,12 +16,22 @@ class MainActivity : AppCompatActivity() {
         val webView = WebView(this)
 
         webView.settings.javaScriptEnabled = true
-        webView.settings.allowFileAccess = true
         webView.settings.domStorageEnabled = true
 
-        webView.webViewClient = WebViewClient()
+        // Use WebViewAssetLoader to serve files from /assets/ over a secure origin.
+        val assetLoader = WebViewAssetLoader.Builder()
+            .addPathHandler("/assets/", WebViewAssetLoader.AssetsPathHandler(this))
+            .build()
 
-        webView.loadUrl("file:///android_asset/index.html")
+        webView.webViewClient = object : WebViewClient() {
+            override fun shouldInterceptRequest(view: WebView?, request: WebResourceRequest?): WebResourceResponse? {
+                if (request == null) return null
+                return assetLoader.shouldInterceptRequest(request.url)
+            }
+        }
+
+        // Load the app via the mapped secure origin so fetch() requests are allowed
+        webView.loadUrl("https://appassets.androidplatform.net/assets/index.html")
 
         setContentView(webView)
     }