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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 351 · 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.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. tap the Chat tab
    5. tap the Settings tab
    Which screen are you on now?     (a) Score card (b) Badges (c) Settings (d) Feed
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Quiz tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Match report”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Map”
    4. tap the Quiz tab
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Map (d) Quiz
  8. 8.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) switches main sections (d) shows 3 to 5 icons
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    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 “Edit photo”
    2. open “Score card”
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Home (c) Score card (d) Search
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Match report (c) Search (d) Home
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Home (c) Video (d) Search
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Badges (c) Match report (d) Edit photo
  19. 19.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Match report”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. open “Edit photo”
    4. tap the Profile tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  25. 25.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) sits at the bottom (d) goes to the last screen
  26. 26.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Score card”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) shows 3 to 5 icons (d) undoes one move
  30. 30.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) a random page (c) the phone settings (d) the last app used
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Badges
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Chat
  34. 34.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) hides extra links
  35. 35.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) undoes one move
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. tap the Me tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Edit photo
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Profile tab
    4. open “Map”
    Which screen are you on now?     (a) Friend list (b) Search (c) Map (d) Home
  39. 39.🧭 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 “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Score card”
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Score card

Answer key

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

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