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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 823 · 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 “Score card”
    2. tap the Quiz tab
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Score card (d) Quiz
  2. 2.🧭 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
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Badges”
    4. open “Map”
    5. open “Badges”
    Which screen are you on now?     (a) Search (b) Badges (c) Map (d) Home
  4. 4.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Video”
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Profile (c) Friend list (d) Video
  7. 7.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Video”
    4. tap the Quiz tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Video
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap the Feed tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Help page
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Help page (c) Profile (d) Home
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Me tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Profile (b) Search (c) Badges (d) Home
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. tap the Quiz tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Score card
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap Back
    4. tap the Chat tab
    5. open “Video”
    Which screen are you on now?     (a) Chat (b) Settings (c) Video (d) Feed
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Profile tab
    4. open “Friend list”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Video”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Video
  22. 22.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) goes to the last screen
  23. 23.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
  24. 24.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  25. 25.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) switches main sections
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Edit photo
  27. 27.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) shows 3 to 5 icons (d) opens a list of pages
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Feed (c) Badges (d) Chat
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Lessons tab
    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 “Map”
    2. tap Back
    3. open “Match report”
    4. tap the Me tab
    5. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Friend list (d) Map
  32. 32.🧭 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?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap the Lessons tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Video (c) Edit photo (d) Friend list
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Badges”
    4. tap Back
    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. open “Video”
    2. open “Help page”
    3. open “Badges”
    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. open “Map”
    2. open “Video”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 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
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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