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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 712 · 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. tap the Settings tab
    2. open “Badges”
    3. tap the Settings tab
    4. open “Friend list”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Score card”
    Which screen are you on now?     (a) Settings (b) Chat (c) Score card (d) Feed
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Map”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  5. 5.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) switches main sections
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Map”
    4. tap the Profile tab
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Match report (d) Friend list
  10. 10.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  11. 11.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) hides extra links
  12. 12.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Video”
    4. tap the Chat tab
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Edit photo (c) Video (d) Home
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Match report”
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Map (c) Match report (d) Chat
  18. 18.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Score card”
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Score card
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    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. tap the Settings tab
    2. tap the Settings tab
    3. open “Map”
    Which screen are you on now?     (a) Settings (b) Chat (c) Map (d) Feed
  22. 22.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) shows 3 to 5 icons
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    4. tap Back
    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. tap the Quiz tab
    2. open “Friend list”
    3. tap Back
    4. open “Edit photo”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Me (d) Lessons
  26. 26.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) goes to the last screen (d) shows 3 to 5 icons
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. tap the Profile tab
    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 Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap the Home tab
    4. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Home (c) Help page (d) Search
  29. 29.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap the Chat tab
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Badges (d) Help page
  31. 31.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Video (c) Home (d) Search
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Video (c) Chat (d) Feed
  35. 35.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. open “Video”
    4. tap the Home tab
    Which screen are you on now?     (a) Map (b) Video (c) Search (d) Home
  37. 37.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Friend list”
    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. tap the Feed tab
    2. open “Video”
    3. open “Map”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Profile (c) Match report (d) Friend list

Answer key

  1. 2
  2. Score card
  3. 2
  4. goes to the last screen
  5. switches main sections
  6. at the bottom
  7. 0
  8. a menu button
  9. Friend list
  10. that tab’s main screen
  11. undoes one move
  12. opens a list of pages
  13. 0
  14. 1
  15. 0
  16. Home
  17. Map
  18. sits at the bottom
  19. Score card
  20. 1
  21. Map
  22. shows 3 to 5 icons
  23. 0
  24. 2
  25. Edit photo
  26. goes to the last screen
  27. 1
  28. Help page
  29. a tab bar
  30. Help page
  31. hides extra links
  32. 0
  33. Help page
  34. Friend list
  35. a tab bar
  36. Home
  37. the back button
  38. 1
  39. 2
  40. Profile

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