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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 599 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Match report (c) Edit photo (d) Help page
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Profile (c) Friend list (d) Home
  3. 3.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Map”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Edit photo (c) Match report (d) Video
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Help page”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Help page”
    4. open “Edit photo”
    5. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Edit photo
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Score card”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) deletes the page (d) opens settings
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) hides extra links (d) opens a list of pages
  11. 11.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) hides extra links
  12. 12.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  13. 13.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  14. 14.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) switches main sections
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. open “Help page”
    5. tap the Settings tab
    Which screen are you on now?     (a) Help page (b) Video (c) Feed (d) Settings
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Map”
    4. tap the Me tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Match report”
    4. open “Match report”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Lessons (d) Match report
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Lessons tab
    4. open “Help page”
    Which screen are you on now?     (a) Badges (b) Help page (c) Lessons (d) Edit photo
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Match report (b) Friend list (c) Lessons (d) Quiz
  20. 20.🧭 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
  21. 21.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) goes to the last screen
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Search (d) Home
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Badges (d) Score card
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  26. 26.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) that tab’s main screen (d) the phone settings
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Search tab
    4. open “Score card”
    5. open “Friend list”
    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 “Match report”
    2. tap Back
    3. tap the Lessons tab
    4. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Match report
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Help page”
    Which screen are you on now?     (a) Feed (b) Chat (c) Friend list (d) Help page
  30. 30.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) opens a list of pages (d) undoes one move
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Match report
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Match report”
    4. open “Match report”
    5. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Video (c) Chat (d) Edit photo
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Map”
    4. tap Back
    5. open “Map”
    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 “Map”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Badges (d) Match report
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Help page”
    Which screen are you on now?     (a) Settings (b) Chat (c) Help page (d) Feed
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. tap the Me tab
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Help page (c) Quiz (d) Lessons
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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