chat support download updated

android/app/src/main/AndroidManifest.xml

@@ -5,6 +5,10 @@
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="28" />
+    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO"/>
+
 
     <application
         android:label="kent_logistics_app"

android/app/src/main/kotlin/com/example/kent_logistics_app/MainActivity.kt

@@ -1,5 +1,37 @@
 package com.example.kent_logistics_app
 
+import android.media.MediaScannerConnection
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
 
-class MainActivity : FlutterActivity()
+class MainActivity : FlutterActivity() {
+
+    private val CHANNEL = "media_scanner"
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+
+        MethodChannel(
+            flutterEngine.dartExecutor.binaryMessenger,
+            CHANNEL
+        ).setMethodCallHandler { call, result ->
+            if (call.method == "scanFile") {
+                val path = call.argument<String>("path")
+
+                if (path != null) {
+                    MediaScannerConnection.scanFile(
+                        applicationContext,
+                        arrayOf(path),
+                        null,
+                        null
+                    )
+                }
+
+                result.success(null)
+            } else {
+                result.notImplemented()
+            }
+        }
+    }
+}