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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 158 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Video (c) Feed (d) Settings
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Score card
  4. 4.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Video (c) Map (d) Edit photo
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
  8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Edit photo
  10. 10.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) switches main sections
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Help page”
    4. tap Back
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of the back button? (a) undoes one move (b) sits at the bottom (c) shows 3 to 5 icons (d) switches main sections
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Match report
  15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Settings (d) Feed
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. tap Back
    4. open “Map”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Search (d) Home
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap Back
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Settings (c) Feed (d) Video
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home
  23. 23.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Help page”
    4. open “Edit photo”
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Help page (d) Badges
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Edit photo”
    5. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Lessons (d) Edit photo
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Search tab
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) hides extra links (d) undoes one move
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Map (c) Edit photo (d) Lessons
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Quiz (d) Score card
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Quiz (d) Help page
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Search tab
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Badges
  33. 33.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  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 “Help page”
    4. tap the Settings tab
    5. tap the Chat tab
    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 the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Map
  36. 36.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  37. 37.🧭 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 “Match report”
    5. open “Friend list”
    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. open “Edit photo”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Help page (d) Home
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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