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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 364 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Home tab
    4. open “Map”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Map
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Help page (c) Score card (d) Lessons
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Match report”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) switches main sections (d) hides extra links
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Home tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  8. 8.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. tap the Feed tab
    4. tap the Feed tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) opens a list of pages (d) sits at the bottom
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Video”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Lessons (c) Friend list (d) Match report
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Edit photo”
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Badges (c) Edit photo (d) Search
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Badges (c) Quiz (d) Lessons
  18. 18.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) hides extra links
  19. 19.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) shows 3 to 5 icons (d) hides extra links
  20. 20.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Me tab
    4. open “Score card”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Score card
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. open “Badges”
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Match report (c) Badges (d) Home
  23. 23.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) shows 3 to 5 icons
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Home tab
    4. tap the Search tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Map”
    Which screen are you on now?     (a) Match report (b) Badges (c) Map (d) Home
  26. 26.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Search (c) Edit photo (d) Home
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    4. tap the Quiz tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Friend list”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Map (b) Feed (c) Video (d) Chat
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Search (c) Edit photo (d) Home
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Video (b) Quiz (c) Lessons (d) Map
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Score card”
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Score card
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Score card

Answer key

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

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