#flutter #tutorial #coach
#step1 add dependency tutorial_coach_mark: ^1.2.8 Latest version please check: https://pub.dev/packages/tutorial_coach_mark
#step2 create custom coach mark CoachMarkDesc
#step3 define coach mark and target list TutorialCoachMark? tutorialCoachMark; List targets = [];
#step4 define GlobalKeys GlobalKey key1 = GlobalKey(); GlobalKey key2 = GlobalKey(); GlobalKey key3 = GlobalKey(); GlobalKey key4 = GlobalKey(); GlobalKey key5 = GlobalKey();
#step5 set keys to widgets
#step6 initiate targets _initTargets()
#step7 initialize and show coach mark _showTutorialCoachMark()