Webview in flutter not working getting a platform error

Question

Issue with webview in flutter getting an error

[ERROR:flutter/shell/common/shell.cc(184)] Dart Error: Unhandled exception:
    PlatformException(error, Trying to create a platform view of unregistered type: plugins.flutter.io/webview, null)

Trying to implement the webview

score 62 · Answer 1 · edited Aug 29 '20 at 16:19

62

I had the same problem. But I did these steps, and it helped me:

1) Add Internet permission

<uses-permission android:name="android.permission.INTERNET" />

to the Android manifest: android/app/src/main/AndroidManifest.xml right above application tag.

2) Add this key:

<key>io.flutter.embedded_views_preview</key>
<string>YES</string>

in ios/Runner/Info.plist

3) Add full url (with `http://www`)

4) Call `flutter clean`, delete build folder.

edited Aug 29 '20 at 16:19

Boken

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answered May 06 '19 at 06:37

recvec

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calling the "flutter clean" is important in that case. thank you! – Sergey May 08 '19 at 14:46
1

The `flutter clean` works well for me. – Dennis Lee Sep 23 '21 at 09:12
In my case, `https` works, and `http` gives an page-load error. – Hardik Oct 21 '21 at 06:39
yup, "flutter clean" was enough, I didn't need to do those things in Android manifest and Info.plist – Cedric Jan 31 '23 at 15:42

score 9 · Answer 2 · answered Jun 03 '19 at 03:37

9

I Faced this problem and solved it by changing the Android minSdkVersion= 16 to minSdkVersion= 20 you can find it in :

android > app > build.gradle

why minSdkVersion= 20 ?

because I got the exception after using the plugin youtube_player_flutter and in the documentation of the plugin they stated that you should use android minSdkVersion >= 20, unfortunately flutter use by default minSdkVersion= 16, thats why I got PlatformException

My Recommendation Dear reader is to look carefully at the plugins you are using and what version they are supporting on both Android and iOS

Thats all I know ...

answered Jun 03 '19 at 03:37

MFQ

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Getting same issue...Any Solution? – Nikhat Shaikh Jun 03 '19 at 05:01
@NIKHATSHAIKH did you change the minSdkVersion ? – MFQ Jun 03 '19 at 23:42
I have tried changing it but getting same issue : defaultConfig { // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). applicationId "com.example.flutterapp" minSdkVersion 20 targetSdkVersion 28 versionCode flutterVersionCode.toInteger() versionName flutterVersionName testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } Also have – Ishaan Puniani Apr 28 '20 at 18:15

score 1 · Answer 3 · answered Feb 15 '23 at 07:04

1

Some Webview support minimumSdk package 21. Refresh the Project after changing minimumSdk

answered Feb 15 '23 at 07:04

Beatle Refractor

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score -1 · Answer 4 · answered Nov 10 '21 at 16:32

In iOS, you need to register plugins if they use native components.

To do this, you have to import FlutterPluginRegistrant in your project : https://flutter.dev/docs/development/add-to-app/ios/project-setup

import FlutterPluginRegistrant

After, you can use this line to register your plugins :

GeneratedPluginRegistrant.register(with: FlutterViewController)

⚠️ Be careful, you must to register your plugins once during the app lifecycle.

score -2 · Answer 5 · answered Dec 31 '19 at 03:44

-2

the webview_flutter version in pubspec.lock is different from pubspec.yaml,you can change the version in pubspec.lock and it will solved

answered Dec 31 '19 at 03:44

chenkunlia

1

Webview in flutter not working getting a platform error

5 Answers5

1) Add Internet permission

2) Add this key:

3) Add full url (with `http://www`)

4) Call `flutter clean`, delete build folder.

Linked

Webview in flutter not working getting a platform error

5 Answers5

1) Add Internet permission

2) Add this key:

3) Add full url (with http://www)

4) Call flutter clean, delete build folder.

Linked

3) Add full url (with `http://www`)

4) Call `flutter clean`, delete build folder.