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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 236 · 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.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Friend list (d) Map
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. tap the Search tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Score card
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Badges”
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Badges
  11. 11.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  12. 12.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) hides extra links
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Search 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) opens a list of pages (c) switches main sections (d) goes to the last screen
  15. 15.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  16. 16.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) shows 3 to 5 icons
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Edit photo
  18. 18.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Settings tab
    4. tap the Chat tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 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 “Map”
    Which screen are you on now?     (a) Map (b) Chat (c) Feed (d) Edit photo
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Friend list”
    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 “Help page”
    2. open “Help page”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Score card
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Score card (c) Home (d) Search
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Help page”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Home (d) Badges
  28. 28.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Settings tab
    4. open “Video”
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Video (d) Feed
  30. 30.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Friend list (c) Lessons (d) Video
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Map”
    4. tap the Search tab
    5. open “Score card”
    Which screen are you on now?     (a) Search (b) Score card (c) Map (d) Home
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Search tab
    4. open “Video”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Video (c) Home (d) Badges
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Profile tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. open “Badges”
    4. open “Map”
    Which screen are you on now?     (a) Badges (b) Score card (c) Feed (d) Map
  38. 38.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  39. 39.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) hides extra links
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Settings tab
    4. tap the Chat tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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