diff --git a/android/app/build.gradle b/android/app/build.gradle
index 071c50d..6d239c3 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -113,4 +113,5 @@ dependencies {
     implementation "androidx.sqlite:sqlite-framework:2.1.0"
     implementation "androidx.sqlite:sqlite:2.1.0"
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
 }
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index c841e84..1ba4137 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -74,6 +74,11 @@
         </provider>
         <!-- End FlutterDownloader customization -->
 
+        <activity android:name=".WebActivity" />
+        <activity
+            android:name=".FullscreenWebViewActivity"
+            android:theme="@style/FullscreenWebViewTheme" />
+
         <activity
             android:name=".MainActivity"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
diff --git a/android/app/src/main/kotlin/com/example/didvan/FullscreenWebViewActivity.kt b/android/app/src/main/kotlin/com/example/didvan/FullscreenWebViewActivity.kt
new file mode 100644
index 0000000..a7a6091
--- /dev/null
+++ b/android/app/src/main/kotlin/com/example/didvan/FullscreenWebViewActivity.kt
@@ -0,0 +1,104 @@
+package com.didvan.didvanapp
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.webkit.PermissionRequest
+import android.webkit.WebChromeClient
+import android.webkit.WebSettings
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+
+class FullscreenWebViewActivity : AppCompatActivity() {
+
+    private lateinit var webView: WebView
+
+    private val PERMISSION_REQUEST_CODE = 1234
+    private var pendingPermissionRequest: PermissionRequest? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        webView = WebView(this)
+        setContentView(webView)
+
+        val url = intent.getStringExtra("url") ?: "https://www.google.com"
+
+        val settings = webView.settings
+        settings.javaScriptEnabled = true
+        settings.mediaPlaybackRequiresUserGesture = false
+        settings.allowContentAccess = true
+        settings.allowFileAccess = true
+        settings.domStorageEnabled = true
+        settings.databaseEnabled = true
+        settings.cacheMode = WebSettings.LOAD_DEFAULT
+
+        webView.webViewClient = WebViewClient()
+
+        webView.webChromeClient = object : WebChromeClient() {
+            override fun onPermissionRequest(request: PermissionRequest?) {
+                runOnUiThread {
+                    if (request == null) {
+                        super.onPermissionRequest(request)
+                        return@runOnUiThread
+                    }
+                    val requestedResources = request.resources
+                    val permissionsNeeded = mutableListOf<String>()
+                    for (resource in requestedResources) {
+                        when (resource) {
+                            PermissionRequest.RESOURCE_VIDEO_CAPTURE -> {
+                                if (ContextCompat.checkSelfPermission(this@FullscreenWebViewActivity, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
+                                    permissionsNeeded.add(Manifest.permission.CAMERA)
+                                }
+                            }
+                            PermissionRequest.RESOURCE_AUDIO_CAPTURE -> {
+                                if (ContextCompat.checkSelfPermission(this@FullscreenWebViewActivity, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
+                                    permissionsNeeded.add(Manifest.permission.RECORD_AUDIO)
+                                }
+                            }
+                        }
+                    }
+
+                    if (permissionsNeeded.isNotEmpty()) {
+                        // درخواست پرمیژن runtime
+                        pendingPermissionRequest = request
+                        ActivityCompat.requestPermissions(this@FullscreenWebViewActivity, permissionsNeeded.toTypedArray(), PERMISSION_REQUEST_CODE)
+                    } else {
+                        // پرمیژن ها داده شده، قبول کن درخواست رو
+                        request.grant(request.resources)
+                    }
+                }
+            }
+        }
+
+        webView.loadUrl(url)
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        if (requestCode == PERMISSION_REQUEST_CODE) {
+            var allGranted = true
+            for (result in grantResults) {
+                if (result != PackageManager.PERMISSION_GRANTED) {
+                    allGranted = false
+                    break
+                }
+            }
+            if (allGranted) {
+                pendingPermissionRequest?.grant(pendingPermissionRequest?.resources)
+            } else {
+                pendingPermissionRequest?.deny()
+            }
+            pendingPermissionRequest = null
+        } else {
+            super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        webView.destroy()
+    }
+}
diff --git a/android/app/src/main/kotlin/com/example/didvan/MainActivity.kt b/android/app/src/main/kotlin/com/example/didvan/MainActivity.kt
index cfe4bf5..0dd0cc0 100644
--- a/android/app/src/main/kotlin/com/example/didvan/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/example/didvan/MainActivity.kt
@@ -1,20 +1,87 @@
 package com.didvan.didvanapp
 
-import android.app.NotificationChannel
-import android.app.NotificationManager
+import android.content.ContentValues
+import android.content.Context
+import android.content.Intent
 import android.os.Build
 import android.os.Bundle
-import android.os.PersistableBundle
+import android.provider.MediaStore
+import android.util.Log
 import androidx.annotation.NonNull
 import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
-import io.flutter.plugins.GeneratedPluginRegistrant
+import io.flutter.plugin.common.MethodChannel
+import java.io.File
+import java.io.FileInputStream
 
 class MainActivity: FlutterActivity() {
-    @Override
-    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
-        GeneratedPluginRegistrant.registerWith(flutterEngine)
 
+    private val CHANNEL = "com.didvan.shareFile"
+
+    @Override
+    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+        
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler { call, result ->
+            when (call.method) {
+                "copyToDownloads" -> {
+                    val filePath = call.argument<String>("filePath") ?: return@setMethodCallHandler
+                    val fileName = call.argument<String>("fileName") ?: return@setMethodCallHandler
+
+                    val success = copyFileToDownloads(filePath, fileName)
+                    if (success) {
+                        result.success("File copied successfully")
+                    } else {
+                        result.error("FILE_COPY_ERROR", "Failed to copy file", null)
+                    }
+                }
+                "openWebView" -> {
+                    val url = call.argument<String>("url") ?: return@setMethodCallHandler
+                    openWebView(url)
+                    result.success(null)
+                }
+                else -> result.notImplemented()
+            }
+        }
     }
 
+    private fun copyFileToDownloads(filePath: String, fileName: String): Boolean {
+        return try {
+            val context: Context = applicationContext
+            val file = File(filePath)
+            if (!file.exists()) return false
+
+            val resolver = context.contentResolver
+            val contentValues = ContentValues().apply {
+                put(MediaStore.Downloads.DISPLAY_NAME, fileName)
+                put(MediaStore.Downloads.MIME_TYPE, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
+                put(MediaStore.Downloads.IS_PENDING, 1)
+            }
+
+            val uri = resolver.insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, contentValues)
+                ?: return false
+
+            resolver.openOutputStream(uri).use { outputStream ->
+                FileInputStream(file).use { inputStream ->
+                    inputStream.copyTo(outputStream!!)
+                }
+            }
+
+            contentValues.clear()
+            contentValues.put(MediaStore.Downloads.IS_PENDING, 0)
+            resolver.update(uri, contentValues, null, null)
+
+            true
+        } catch (e: Exception) {
+            Log.e("FileCopy", "Error copying file to downloads", e)
+            false
+        }
+    }
+
+    private fun openWebView(url: String) {
+        Log.d("MainActivity", "Opening WebView with URL: $url")
+        val intent = Intent(this, FullscreenWebViewActivity::class.java)
+        intent.putExtra("url", url)
+        startActivity(intent)
+    }
 }
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
index 08abd17..2e8bc2c 100644
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@@ -1,17 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
     <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
-        <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
-    <!-- Theme applied to the Android Window as soon as the process has started.
-         This theme determines the color of the Android Window while your
-         Flutter UI initializes, as well as behind your Flutter UI while its
-         running.
-         
-         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+
     <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <item name="android:windowBackground">?android:colorBackground</item>
     </style>
@@ -25,4 +17,9 @@
         <item name="android:background">?android:attr/colorBackground</item>
         <item name="android:textColor">?android:attr/textColorPrimary</item>
     </style>
+
+    <!-- ✅ نسخه صحیح -->
+    <style name="FullscreenWebViewTheme" parent="Theme.AppCompat.Light.NoActionBar">
+        <item name="android:windowFullscreen">true</item>
+    </style>
 </resources>
diff --git a/lib/services/webview.dart b/lib/services/webview.dart
new file mode 100644
index 0000000..9a6600b
--- /dev/null
+++ b/lib/services/webview.dart
@@ -0,0 +1,13 @@
+import 'package:flutter/services.dart';
+
+class NativeWebViewLauncher {
+  static const MethodChannel _channel = MethodChannel('com.didvan.shareFile');
+
+  static Future<void> openWebView(String url) async {
+    try {
+      await _channel.invokeMethod('openWebView', {'url': url});
+    } on PlatformException catch (e) {
+      print("Failed to open native webview: '${e.message}'.");
+    }
+  }
+}
diff --git a/lib/views/home/main/widgets/main_content.dart b/lib/views/home/main/widgets/main_content.dart
index d0de86a..5fe9349 100644
--- a/lib/views/home/main/widgets/main_content.dart
+++ b/lib/views/home/main/widgets/main_content.dart
@@ -3,6 +3,7 @@
 import 'package:didvan/config/theme_data.dart';
 import 'package:didvan/views/home/main/widgets/banner.dart';
 import 'package:didvan/views/home/widgets/categories.dart';
+import 'package:didvan/views/widgets/ai_banner.dart';
 import 'package:didvan/views/widgets/didvan/text.dart';
 import 'package:flutter/material.dart';
 
diff --git a/lib/views/widgets/ai_banner.dart b/lib/views/widgets/ai_banner.dart
new file mode 100644
index 0000000..2efb873
--- /dev/null
+++ b/lib/views/widgets/ai_banner.dart
@@ -0,0 +1,31 @@
+import 'package:didvan/services/webview.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_svg/svg.dart';
+
+class AiBanner extends StatelessWidget {
+  const AiBanner({
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: () {
+        NativeWebViewLauncher.openWebView(
+            'https://www.aisada.ir/app/page1.html');
+      },
+      child: Padding(
+        padding: const EdgeInsets.only(top: 20),
+        child: Stack(
+          children: [
+            Icon(Icons.insert_comment_sharp),
+            Positioned(
+                left: 15,
+                child: Icon(Icons.import_contacts))
+          ],
+        ),
+      ),
+    );
+  }
+}