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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 258 · 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 “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Match report (d) Me
  2. 2.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) switches main sections
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Map
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Edit photo”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Badges”
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Badges (c) Edit photo (d) Home
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap the Lessons tab
    4. open “Badges”
    5. 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. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Match report
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Video (d) Match report
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Edit photo”
    4. tap the Chat tab
    Which screen are you on now?     (a) Map (b) Edit photo (c) Feed (d) Chat
  13. 13.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) opens a list of pages
  14. 14.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  15. 15.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  16. 16.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
  17. 17.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  18. 18.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Settings (b) Match report (c) Feed (d) Chat
  21. 21.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Friend list (c) Feed (d) Match report
  23. 23.🧭 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
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Badges”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Badges (c) Feed (d) Chat
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Profile tab
    4. open “Badges”
    5. tap the Home tab
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Badges
  26. 26.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  27. 27.🧭 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 Lessons tab
    4. open “Friend list”
    5. open “Video”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Friend list
  28. 28.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Map”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap Back
    4. open “Score card”
    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 “Match report”
    2. tap Back
    3. open “Edit photo”
    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. tap the Search tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Help page (c) Home (d) Search
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Video”
    4. open “Badges”
    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) hides extra links (b) undoes one move (c) switches main sections (d) goes to the last screen
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Score card (b) Feed (c) Map (d) Chat
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Video (d) Feed
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap Back
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Chat tab
    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. open “Video”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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