← Navigation: tabs and the back button lesson New set →

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 655 · 40 questions
TalentJR

Developer's tip (Stack of screens): Open a screen → it goes on top of the stack. Back → the top screen closes; you see the one underneath. Tap a tab → you jump to that tab’s main screen. Backs needed to get home = screens on the stack − 1.

NameDateTime takenScore ___ / 40
  1. 1.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    4. open “Match report”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap Back
    4. open “Video”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) undoes one move (d) sits at the bottom
  8. 8.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Edit photo”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Friend list (b) Map (c) Edit photo (d) Badges
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Edit photo”
    5. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Lessons (d) Me
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Match report”
    5. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Match report
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz
  16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  17. 17.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
  18. 18.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  19. 19.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
  20. 20.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) undoes one move
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Me tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Edit photo (d) Lessons
  22. 22.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Friend list”
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Home (c) Edit photo (d) Friend list
  27. 27.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Score card (b) Feed (c) Help page (d) Edit photo
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    4. open “Map”
    5. open “Map”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Map
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Match report (d) Video
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Me tab
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Lessons (c) Quiz (d) Badges
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Search (c) Badges (d) Home
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Match report (c) Lessons (d) Quiz
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. tap the Search tab
    4. tap the Search tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to use more battery (d) to look busy

Answer key

  1. 0
  2. 1
  3. 0
  4. 2
  5. 3 to 5
  6. 1
  7. undoes one move
  8. shows 3 to 5 icons
  9. 2
  10. Map
  11. 2
  12. a menu button
  13. Me
  14. Me
  15. Quiz
  16. the back button
  17. that tab’s main screen
  18. a tab bar
  19. opens a list of pages
  20. switches main sections
  21. Edit photo
  22. the back button
  23. 2
  24. 0
  25. a menu button
  26. Edit photo
  27. hides extra links
  28. Help page
  29. at the bottom
  30. Map
  31. Video
  32. a tab bar
  33. 0
  34. sits at the bottom
  35. Map
  36. Badges
  37. 1
  38. Quiz
  39. 1
  40. so users do not get lost

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students