Considering that I had followed all this steps https://flutter.dev/docs/get-started/install/linux in my Ubuntu 18.04LTS, why this following problem continues to appear:
$ flutter doctor -v
[✓] Flutter (Channel stable, v1.7.8+hotfix.2, on Linux, locale en_US.UTF-8)
• Flutter version 1.7.8+hotfix.2 at /opt/flutter
• Framework revision 2e540931f7 (2 weeks ago), 2019-07-02 09:31:07 -0700
• Engine revision b1cb0d9e9b
• Dart version 2.4.0
[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
• Android SDK at /home/rodrigo/Android/Sdk
• Android NDK location not configured (optional; useful for native profiling
support)
• Platform android-28, build-tools 28.0.3
• ANDROID_HOME = /home/rodrigo/Android/Sdk
• Java binary at: /usr/share/android-studio/jre/bin/java
• Java version OpenJDK Runtime Environment (build
1.8.0_152-release-1343-b16-5323222)
• All Android licenses accepted.
[✓] Android Studio (version 3.4)
• Android Studio at /usr/share/android-studio
• Flutter plugin version 37.1.1
• Dart plugin version 183.6270
• Java version OpenJDK Runtime Environment (build
1.8.0_152-release-1343-b16-5323222)
[!] Android Studio
• Android Studio at /opt/android-studio
✗ Flutter plugin not installed; this adds Flutter specific functionality.
✗ Dart plugin not installed; this adds Dart specific functionality.
• Java version OpenJDK Runtime Environment (build
1.8.0_152-release-1343-b16-5323222)
[✓] Connected device (1 available)
• Android SDK built for x86 • emulator-5554 • android-x86 • Android 10 (API
29) (emulator)
! Doctor found issues in 1 category.
Different from another similar questions here in StackOverflow, before I've installed flutter plugin the "[✓] Android Studio (version 3.4)" was equal to "[!] Android Studio", with same error messages. After I've installed flutter plugin (and dart), only "[!] Android Studio" still displaying the error.
Does someone know why? I've made many searches in my files, I have only one Android Studio installed. Why displays two? What "[!] Android Studio" refer to? Does command "$ flutter doctor" have a problem?