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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 646 · 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.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) hides extra links
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Help page
  5. 5.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  6. 6.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Help page”
    4. open “Help page”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Friend list
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Badges
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Settings (c) Friend list (d) Help page
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Video (d) Help page
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Map”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Map (d) Lessons
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Match report”
    4. tap the Profile tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  16. 16.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) deletes the page (d) opens settings
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. open “Score card”
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Score card (c) Feed (d) Help page
  18. 18.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) undoes one move
  19. 19.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) goes to the last screen
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Match report
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Edit photo”
    4. open “Friend list”
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Friend list (d) Lessons
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, 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?
  23. 23.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. open “Help page”
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Video (d) Profile
  25. 25.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Match report”
    4. open “Score card”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) sits at the bottom
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Map
  31. 31.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) sits at the bottom
  32. 32.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) goes to the last screen (d) opens a list of pages
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Edit photo”
    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. open “Map”
    2. tap the Home tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Home (d) Search
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Search (c) Friend list (d) Home
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. tap the Search tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Score card (c) Help page (d) Home
  38. 38.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    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. tap the Feed tab
    2. tap the Settings tab
    3. open “Match report”
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Settings (d) Feed

Answer key

  1. shows 3 to 5 icons
  2. 0
  3. 0
  4. Help page
  5. a menu button
  6. undoes one move
  7. at the bottom
  8. 3
  9. Lessons
  10. Home
  11. Settings
  12. Profile
  13. Map
  14. 1
  15. the back button
  16. goes to the last screen
  17. Feed
  18. switches main sections
  19. opens a list of pages
  20. Home
  21. Score card
  22. 1
  23. 3 to 5
  24. Profile
  25. that tab’s main screen
  26. a tab bar
  27. 5
  28. hides extra links
  29. 1
  30. Map
  31. sits at the bottom
  32. goes to the last screen
  33. 1
  34. Edit photo
  35. 3
  36. Friend list
  37. Badges
  38. a tab bar
  39. 1
  40. Feed

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