how to install flutter on google cloud shell service along with app build

what is flutter?

Flutter is an open source mobile application framework created by Google. Flutter is used in application development for Android, iOS, Windows, Linux, MacOS operating systems, as well as being the main method for creating Google Fuchsia applications.

what is shell cloud google?

Google Cloud Shell is an online bash shell based on Debian. The free tier includes 1.7 gigabytes of random-access memory and a persistent 5 gigabyte home directory. Except for the home and root directories, the Cloud Shell environment is volatile. The editor in Google Cloud Shell is based on Eclipse Theia.

Steps

first open shell-cloud-google on your browser, and open terminal and do the steps below.

• Make folder android sdk
  

  mkdir "$HOME/Android" && mkdir "$HOME/Android/Sdk" && cd "$HOME/Android/Sdk"
  

• download cmd line
  replace url with cmdline-latest
  

  wget https://dl.google.com/android/repository/commandlinetools-linux-7583922_latest.zip
  

• extrak cmd line
  

  unzip commandlinetools* && cd cmdline-tools && mkdir latest && mv * latest/
  

• delete cmd line zip
  

  cd .. && rm -r *.zip
  

• export environment
  

  export ANDROID_SDK="$HOME/Android/Sdk"
  export ANDROID_SDK_ROOT="$HOME/Android/Sdk"
  export ANDROID_HOME="$HOME/Android/Sdk"
  export PATH="$ANDROID_SDK:$ANDROID_HOME/platform-tools/:$ANDROID_HOME/emulator/:$ANDROID_HOME/cmdline-tools/latest/:$ANDROID_HOME/cmdline-tools/latest/bin/:$PATH"
  

• sdkmanager

  • run sdkmanager first

  sdkmanager
  

  • install package replace android level latest eg platform;android-31 if you like latest version

  sdkmanager "platforms;android-30"
  

  • Install platform tools

  sdkmanager "platform-tools"
  

  • Install patcher

  sdkmanager "patcher;v4"
  

  • install build tools

  sdkmanager "build-tools;30.0.2"
  

  • Accept licenses sdkmanager

  sdkmanager --licenses
  

• Flutter

  • run flutter first

  flutter
  

  • accept licenses

  flutter doctor --android-licenses
  

  • run flutter doctor if output not ok on android toolchain you can use another email and go to shell cloud again install from 0 again

  flutter doctor
  

• make app first in flutter
  run in terminal replace example for your app name
  

  flutter create example
  

  • build release for android

  cd example && flutter build apk --release
  

  if after run command result output like this, you succes build android and you can download file and test on your smartphone
  

  ✓  Built build/app/outputs/flutter-apk/app-release.apk (15.5MB).
  

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