App can now retrieve HTML

app/src/main/java/com/denizk0461/studip/fragment/SecondFragment.kt

@@ -1,11 +1,16 @@
 package com.denizk0461.studip.fragment
 
 import android.os.Bundle
+import android.util.Log
 import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.webkit.ValueCallback
 import android.webkit.WebChromeClient
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
 import androidx.navigation.fragment.findNavController
 import com.denizk0461.studip.R
 import com.denizk0461.studip.databinding.FragmentSecondBinding
@@ -38,8 +43,25 @@ class SecondFragment : Fragment() {
 //            findNavController().navigate(R.id.action_SecondFragment_to_FirstFragment)
 //        }
 
-        binding.webview.webChromeClient = WebChromeClient()
+        binding.webview.settings.javaScriptEnabled = true
+        binding.webview.webViewClient = object : WebViewClient() {
+            override fun shouldOverrideUrlLoading(
+                view: WebView?,
+                request: WebResourceRequest?
+            ): Boolean {
+                return false
+            }
+        }
+
         binding.webview.loadUrl("https://elearning.uni-bremen.de/index.php?again=yes")
+
+        binding.fab.setOnClickListener { view ->
+            binding.webview.evaluateJavascript(
+                "(function(){return window.document.body.outerHTML})();"
+            ) { p0 ->
+                Log.d("HELLO", p0 ?: "nothing returned")
+            }
+        }
     }
 
     override fun onDestroyView() {