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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 505 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Badges (c) Help page (d) Feed
  2. 2.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) switches main sections
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) undoes one move
  5. 5.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  6. 6.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Profile (c) Edit photo (d) Search
  8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Video”
    Which screen are you on now?     (a) Chat (b) Video (c) Settings (d) Feed
  10. 10.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) sits at the bottom (d) opens a list of pages
  11. 11.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  12. 12.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  13. 13.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Quiz (d) Lessons
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Search tab
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Match report
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap the Feed tab
    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. open “Video”
    2. open “Help page”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap the Quiz tab
    4. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Friend list
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Map
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 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 Settings tab
    Which screen are you on now?     (a) Settings (b) Score card (c) Feed (d) Chat
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Match report (c) Chat (d) Feed
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Home tab
    4. tap the Search tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 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
  28. 28.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Score card (c) Edit photo (d) Lessons
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Friend list”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Feed (d) Map
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Feed (c) Chat (d) Video
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Video”
    4. tap Back
    5. tap the Settings tab
    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. tap the Me tab
    3. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Me (c) Badges (d) Lessons
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Score card (b) Feed (c) Help page (d) Chat
  36. 36.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  37. 37.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    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 “Badges”
    2. tap the Settings tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Score card

Answer key

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

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