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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 727 · 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 “Edit photo”
    2. open “Video”
    3. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Score card (d) Lessons
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Settings (c) Feed (d) Chat
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    5. open “Score card”
    Which screen are you on now?     (a) Help page (b) Score card (c) Badges (d) Video
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. open “Match report”
    Which screen are you on now?     (a) Score card (b) Badges (c) Home (d) Match report
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  9. 9.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  10. 10.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  11. 11.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
  12. 12.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) shows 3 to 5 icons (d) goes to the last screen
  13. 13.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) sits at the bottom (d) opens a list of pages
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Profile tab
    4. tap the Home tab
    5. open “Badges”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Profile
  18. 18.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Score card”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Score card (b) Search (c) Home (d) Map
  22. 22.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) switches main sections (d) undoes one move
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Friend list”
    4. open “Map”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Map
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) hides extra links (d) undoes one move
  28. 28.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) switches main sections (d) opens a list of pages
  29. 29.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  30. 30.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Match report (c) Help page (d) Chat
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Settings tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Match report (c) Edit photo (d) Chat
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Score card
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Friend list”
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Badges (c) Friend list (d) Map
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Video”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Badges (b) Lessons (c) Video (d) Quiz
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Video”
    4. tap the Chat tab
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Friend list (c) Feed (d) Match report
  38. 38.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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