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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 640 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 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
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Map”
    Which screen are you on now?     (a) Feed (b) Video (c) Map (d) Chat
  5. 5.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  6. 6.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  7. 7.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Profile (c) Match report (d) Search
  11. 11.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Edit photo (d) Home
  15. 15.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  16. 16.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  17. 17.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) hides extra links
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Badges (c) Match report (d) Chat
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Me (b) Match report (c) Lessons (d) Quiz
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Profile tab
    4. tap the Search tab
    5. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Score card
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Badges
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. open “Match report”
    Which screen are you on now?     (a) Video (b) Friend list (c) Home (d) Match report
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Quiz tab
    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 “Score card”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Home (c) Profile (d) Search
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Home (d) Map
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Video (c) Edit photo (d) Lessons
  28. 28.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Search (c) Home (d) Edit photo
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap Back
    5. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Settings (d) Score card
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Match report”
    4. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Chat (c) Badges (d) Feed
  32. 32.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Video”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Video (b) Quiz (c) Score card (d) Match report
  34. 34.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. open “Score card”
    4. tap Back
    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. tap the Chat tab
    2. open “Match report”
    3. tap Back
    4. open “Help page”
    5. open “Video”
    Which screen are you on now?     (a) Match report (b) Video (c) Help page (d) Feed
  37. 37.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) sits at the bottom
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Me tab
    4. open “Match report”
    5. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Lessons (d) Video
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Friend list (d) Lessons
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Feed (c) Help page (d) Chat

Answer key

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

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