Merge pull request #82 from hisaichi5518/handle-download

set DownloadListener
hisaichi5518 · Sep 20, 2020 · 0bce7c7 · 0bce7c7
2 parents 44ee711 + c42644c
commit 0bce7c7
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Showing 3 changed files with 45 additions and 1 deletion.
diff --git a/android/src/main/kotlin/com/hisaichi5518/native_webview/NativeWebView.kt b/android/src/main/kotlin/com/hisaichi5518/native_webview/NativeWebView.kt
@@ -2,10 +2,13 @@ package com.hisaichi5518.native_webview
 
 import android.annotation.SuppressLint
 import android.content.Context
-import android.os.IBinder
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
 import android.view.*
 import android.widget.LinearLayout
 import android.widget.TextView
+import androidx.core.content.ContextCompat.startActivity
 import io.flutter.plugin.common.MethodChannel
 
 class NativeWebView(context: Context, channel: MethodChannel, options: WebViewOptions) : InputAwareWebView(context, null as View?) {
@@ -22,6 +25,17 @@ class NativeWebView(context: Context, channel: MethodChannel, options: WebViewOp
         settings.useWideViewPort = true
         settings.loadWithOverviewMode = true
         addJavascriptInterface(JavascriptHandler(channel), NativeWebChromeClient.JAVASCRIPT_BRIDGE_NAME)
+
+        setDownloadListener { url, _, _, mimetype, _ ->
+            val intent = Intent(Intent.ACTION_VIEW)
+            intent.type = mimetype
+            intent.data = Uri.parse(url)
+
+            val activity = Locator.activity ?: return@setDownloadListener
+            if (intent.resolveActivity(activity.packageManager) != null) {
+                startActivity(activity, intent, Bundle())
+            }
+        }
     }
 
     fun load(initialData: Map<String, String>?, initialFile: String?, initialURL: String, initialHeaders: Map<String, String>?) {

diff --git a/example/lib/main.dart b/example/lib/main.dart
@@ -6,6 +6,7 @@ import 'package:native_webview_example/screens/initial_url_screen.dart';
 import 'package:native_webview_example/screens/multiple_webviews_screen.dart';
 import 'package:native_webview_example/screens/on_js_prompt_screen.dart';
 import 'package:native_webview_example/screens/open_dropdown_screen.dart';
+import 'package:native_webview_example/screens/pdf_screen.dart';
 import 'package:native_webview_example/screens/target_blank_screen.dart';
 
 void main() {
@@ -27,6 +28,7 @@ class _MyAppState extends State<MyApp> {
     TargetBlankScreen(),
     MultipleWebViewsScreen(),
     BasicAuthScreen(),
+    PdfScreen(),
   ];
 
   @override

diff --git a/example/lib/screens/pdf_screen.dart b/example/lib/screens/pdf_screen.dart
@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'package:native_webview/native_webview.dart';
+
+class PdfScreen extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("Initial Data with baseURL"),
+      ),
+      body: WebView(
+        initialData: WebViewData("""
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+  <meta http-equiv="X-UA-Compatible" content="ie=edge">
+</head>
+<body>
+<a href="https://porchmusicstore.com/wp-content/uploads/2014/07/alphabet-song-canjo.pdf">Alphabet Song(PDF)</a>
+</body>
+</html>
+          """),
+      ),
+    );
+  }
+}