SDK and setup

Learn to download, install and add Flutter SDK to PATH.

Flutter SDK

The Flutter SDK is the package containing the command-line tools, the Dart compiler and the framework libraries needed to build Flutter apps. You download it from the official site and extract it into a folder. To run flutter from anywhere, you add the SDK's bin directory to your operating system's PATH variable.

# Linux/macOS temporary PATH
export PATH="$PATH:`pwd`/flutter/bin"

# Verify the install
flutter --version

Installation steps

In order: download the SDK, extract the archive, add the bin directory to PATH and restart the terminal. Then verify with flutter --version. If PATH is not set correctly you get flutter: command not found.

# Make PATH permanent (bash)
echo 'export PATH="$PATH:$HOME/flutter/bin"' >> ~/.bashrc
source ~/.bashrc

flutter --version

Exercise Print the setup steps

In main, print three lines in order with print: 1 indirme, 2 kurulum, 3 doctor.

Show example solution

void main() {
  print('1 indirme');
  print('2 kurulum');
  print('3 doctor');
}

Test yourself

What is needed to run flutter from any directory on the command line?
- Install Android Studio
- Install Flutter in the root directory
- Run it with administrator privileges
- Add the SDK's bin directory to PATH
Show answer

Add the SDK's bin directory to PATH — PATH is the list of directories the shell searches for commands; without bin, flutter works only by full path.
Verify the flutter command
```
flutter ____
```
Show answer
```
flutter --version
```
Installation concepts

Flutter SDK

Development tools and framework package
bin dizini

Location added to PATH
PATH

List of directories searched for commands
flutter --version

Command to verify installation

Next lesson: flutter doctor

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