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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 858 · 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.

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

Answer key

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

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