Table of Contents

Flutter error

Unable to instantiate activity

# build.gradle

android {
  ...
  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
  }
}

Could not read script '/Users/[User]/sdk/flutter/packages/flutter_tools/gradle/app_plugin_loader.gradle'

$ rm android/settings.gradle
$ flutter create .

The method 'map' was called on null

snippet.dart
istProvices?.map((Provinces value) {
  return new DropdownMenuItem<Provinces>(
    value: value,
    child: new Text(value.name, style: new TextStyle(fontSize: 16.0),),
  );
})?.toList() ?? [],

'GL_EXT_shader_framebuffer_fetch' : extension is not supported

Yes, it's wrong only in android emulator.