允许起始页输入要访问的地址

app/src/main/java/com/maxrocky/nativeview/fragment/MainFragment.kt

@@ -71,6 +71,20 @@ class MainFragment : Fragment() {
                 result: JsResult?
             ): Boolean = false
         }
+        wv.webViewClient = object : WebViewClient() {
+            override fun shouldOverrideUrlLoading(view: WebView?, url: String?): Boolean {
+                Log.d(TAG, "shouldOverrideUrlLoading old: $url")
+                return super.shouldOverrideUrlLoading(view, url)
+            }
+
+            override fun shouldOverrideUrlLoading(
+                view: WebView?,
+                request: WebResourceRequest?
+            ): Boolean {
+                Log.d(TAG, "shouldOverrideUrlLoading new: ${request?.url}")
+                return super.shouldOverrideUrlLoading(view, request)
+            }
+        }
         wv.settings.apply {
             javaScriptEnabled = true
         }

app/src/main/java/com/maxrocky/nativeview/fragment/StartFragment.kt

@@ -5,13 +5,25 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Button
-import android.widget.TextView
+import android.widget.EditText
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.stringPreferencesKey
 import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import com.maxrocky.nativeview.R
+import com.maxrocky.nativeview.utils.dataStore
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.launch
 
 class StartFragment : Fragment() {
-    private lateinit var urlTextView: TextView
+    companion object {
+        private const val STORAGE_URL = "storage_url"
+    }
+
+    private lateinit var urlEditText: EditText
     private lateinit var button: Button
 
     override fun onCreateView(
@@ -22,11 +34,26 @@ class StartFragment : Fragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        urlTextView = view.findViewById(R.id.url)
+        urlEditText = view.findViewById(R.id.url)
         button = view.findViewById(R.id.enter)
 
+        lifecycleScope.launch(Dispatchers.IO) {
+            val storageKey = stringPreferencesKey(STORAGE_URL)
+            context?.dataStore?.data?.map { it[storageKey] ?: "" }?.collect {
+                urlEditText.setText(it)
+            }
+        }
+
         button.setOnClickListener {
-            val url = urlTextView.text.trim().toString()
+            val url = urlEditText.text.trim().toString()
+            if (url.isNotEmpty()) {
+                lifecycleScope.launch(Dispatchers.IO) {
+                    val storageKey = stringPreferencesKey(STORAGE_URL)
+                    context?.dataStore?.edit {
+                        it[storageKey] = url
+                    }
+                }
+            }
             findNavController().navigate(
                 R.id.action_startFragment_to_mainFragment,
                 MainFragment.createStartBundle(url)

app/src/main/res/layout/fragment_start.xml

@@ -14,13 +14,14 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintStart_toStartOf="parent"/>
 
-    <TextView
+    <EditText
         android:id="@+id/url"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="10dp"
         android:layout_marginEnd="20dp"
         app:layout_constraintTop_toTopOf="@id/url_label"
+        app:layout_constraintBottom_toBottomOf="@id/url_label"
         app:layout_constraintStart_toEndOf="@id/url_label"
         app:layout_constraintEnd_toEndOf="parent" />