Question 135355 in Visual Studio Code Question posted in
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Visual Studio Code – Flutter error: when using url_launcher plugin

Future<void> launchInBrowser(String url) async {
  Uri dir = Uri.parse(url);
  if (!await launchUrl(
    dir,
    mode: LaunchMode.externalApplication,
  )) {
    throw 'Could not launch $url';
  }
}

I am using url_launcher version 6.1.6 flutter plugin and when I build the app I get this error flutter build is getting error with this : Could not load compiled classes for build file ‘C:srcflutterflutter.pubcachehostedpub.dartlang.orgurl_launcher_android_6.0.21androidbuild.gradle’ from cache
”’

  • What went wrong:
    A problem occurred configuring project ‘:flutter_plugin_android_lifecycle’.

Could not load compiled classes for build file ‘C:srcflutterflutter.pub-cachehostedpub.dartlang.orgurl_launcher_android_6.0.21androidbuild.gradle’ from cache.
Failed to notify project evaluation listener.
Could not get unknown property ‘android’ for project ‘:url_launcher_android_6.0.21’ of type org.gradle.api.Project.
Could not get unknown property ‘android’ for project ‘:url_launcher_android_6.0.21′ of type org.gradle.api.Project.
”’

I tried deleting .gradle folder I’m my app , and also deleted the plugin from host folder , nothing works.

flutter doctor -v output

[√] Flutter (Channel stable, 3.3.8, on Microsoft Windows [Version 10.0.19043.2251], locale en-US)
    • Flutter version 3.3.8 on channel stable at C:srcflutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 52b3dc25f6 (4 days ago), 2022-11-09 12:09:26 +0800
    • Engine revision 857bd6b74c
    • Dart version 2.18.4
    • DevTools version 2.15.0

Checking Android licenses is taking an unexpectedly long time...[√] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
    • Android SDK at C:Usersmo7maAppDataLocalAndroidsdk
    • Platform android-33, build-tools 31.0.0
    • Java binary at: C:Program FilesAndroidAndroid Studiojrebinjava
    • Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)
    • All Android licenses accepted.

[√] Chrome - develop for the web
    • Chrome at C:Program FilesGoogleChromeApplicationchrome.exe

[√] Visual Studio - develop for Windows (Visual Studio Build Tools 2019 16.11.13)
    • Visual Studio at C:Program Files (x86)Microsoft Visual Studio2019BuildTools
    • Visual Studio Build Tools 2019 version 16.11.32413.511
    • Windows 10 SDK version 10.0.19041.0

[√] Android Studio (version 2020.3)
    • Android Studio at C:Program FilesAndroidAndroid Studio
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
       https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)

[√] VS Code (version 1.73.1)
    • VS Code at C:Usersmo7maAppDataLocalProgramsMicrosoft VS Code
    • Flutter extension version 3.52.0

[√] Connected device (3 available)
    • Windows (desktop) • windows • windows-x64    • Microsoft Windows [Version 10.0.19043.2251]
    • Chrome (web)      • chrome  • web-javascript • Google Chrome 107.0.5304.107
    • Edge (web)        • edge    • web-javascript • Microsoft Edge 107.0.1418.35

[√] HTTP Host Availability
    • All required HTTP hosts are available

• No issues found!
Tags:

2

Answers


  1. 0

    Did you add the following in your AndroidManifest.xml file?

    <!-- Provide required visibility configuration for API level 30 and above -->
<queries>
  <!-- If your app checks for SMS support -->
  <intent>
    <action android:name="android.intent.action.VIEW" />
    <data android:scheme="sms" />
  </intent>
  <!-- If your app checks for call support -->
  <intent>
    <action android:name="android.intent.action.VIEW" />
    <data android:scheme="tel" />
  </intent>
</queries>
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  2. 0

    I received a lint error to use foreach instead. So I played around with it, and this is the final for loop:

    prayerRequestList.forEach(prayerReturnList.add);
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