Flutter SDK installation Linux/Ubuntu|Set ANDROID_HOME path| Create desktop entry for android studio

Описание: It's a tutorial for installing Flutter SDK without any error.
Also if you've got any errors like "If the Android SDK has been installed to a custom location,set ANDROID_HOME to that location."
Or any other they can be resolved by following this tutorial.
Also to know how to create desktop entry for android studio watch the video.
Also if tools folder is missing from android SDK do watch video.

export PATH="$PATH:Path to directory where FlutterSDK is stored/flutter/bin"
export ANDROID_HOME="Path to Android SDK"
export ANDROID_TOOLS="Path to Android SDK/tools"
export ANDROID_PLATFORM_TOOLS="Path to Android SDK/platform-tools"
PATH=$PATH:$ANDROID_HOME:$ANDROID_TOOLS:$ANDROID_PLATFORM_TOOLS