Flutter Installation in Ubuntu 20.04 – Step-by-step

Installing

2. 2. Downloading Flutter

   Download Flutter for Ubuntu GNU/Linux

   Get Flutter tar.xz for Ubuntu

   Flutter for Ubuntu

   Save the File.

3. 3. Installing Flutter

   Then to Install Flutter for Ubuntu
   First, access the Download location by default with:

   cd ~/Downloads

   To Check it’s there List the contents with:

   ls . | grep flutter

   The grep Command refine the output List showing only the Entries matching the Keyword.
   But if you are in Trouble to Find it out on Terminal then See: How to Access Downloads Folder from Browser.
   And then simply Extract the Archive into Target directory with:

   tar xvf ~/Downloads/flutter*.tar.xz -C ~

   Flutter Setup require a Read and Write Target for the User.
   Finally, amend the User’s Path:

   echo "export PATH=$PATH:$HOME/flutter/bin" >> ~/.bashrc

   To Reload it simply run:

   bash

   Now Test the Installation running:

   flutter precache

   This Command Populate the Flutter tool’s cache of Binary Artifacts.

4. 4. Installing Dependencies

   Then to Install Required Packages
   Simply run:

   sudo apt install clang cmake ninja-build pkg-config libgtk-3-dev liblzma-dev