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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 101 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Score card”
    Which screen are you on now?     (a) Match report (b) Badges (c) Score card (d) Lessons
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Match report
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Edit photo (c) Lessons (d) Badges
  4. 4.🧭 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. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Friend list (c) Chat (d) Feed
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Match report”
    4. tap the Home tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Map (c) Friend list (d) Search
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Search (c) Edit photo (d) Home
  8. 8.🧭 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 “Map”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Chat tab
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Video
  10. 10.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  11. 11.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  12. 12.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12
  13. 13.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  14. 14.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) switches main sections
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Match report
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    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 “Friend list”
    2. tap the Search tab
    3. open “Friend list”
    4. open “Video”
    5. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Profile (c) Friend list (d) Home
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Match report (c) Friend list (d) Lessons
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Search (d) Home
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Badges (c) Score card (d) Home
  21. 21.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  22. 22.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Badges (d) Lessons
  24. 24.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
  25. 25.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. tap Back
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  29. 29.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  32. 32.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  33. 33.🧭 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 Search tab
    4. open “Badges”
    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 “Match report”
    2. tap the Home tab
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Search
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    4. open “Score card”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Video (d) Quiz
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Badges”
    4. open “Video”
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Video (c) Help page (d) Badges
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Badges”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Badges (c) Home (d) Friend list
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap the Lessons 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 “Friend list”
    2. tap Back
    3. tap the Lessons tab
    4. open “Score card”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Score card

Answer key

  1. Score card
  2. Match report
  3. Map
  4. Chat
  5. 1
  6. Friend list
  7. Search
  8. 1
  9. Video
  10. a menu button
  11. so users do not get lost
  12. 3 to 5
  13. a tab bar
  14. undoes one move
  15. Match report
  16. 1
  17. Profile
  18. Video
  19. Home
  20. Badges
  21. goes to the last screen
  22. sits at the bottom
  23. Lessons
  24. shows 3 to 5 icons
  25. a menu button
  26. 1
  27. 0
  28. goes to the last screen
  29. opens a list of pages
  30. 0
  31. at the bottom
  32. a tab bar
  33. 1
  34. Profile
  35. Lessons
  36. Map
  37. 3
  38. Help page
  39. 0
  40. Lessons

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