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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 386 · 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.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
  2. 2.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. tap the Search tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Score card”
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Score card
  5. 5.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  6. 6.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  7. 7.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) undoes one move
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Edit photo”
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. open “Match report”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Map (c) Badges (d) Feed
  11. 11.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) in the middle (d) at the bottom
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 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. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Home (d) Friend list
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap the Chat tab
    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. tap the Feed tab
    2. tap the Feed tab
    3. open “Help page”
    4. open “Video”
    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 “Score card”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  18. 18.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) sits at the bottom
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Feed (b) Chat (c) Badges (d) Match report
  20. 20.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  21. 21.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. open “Score card”
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Score card (c) Lessons (d) Video
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap the Profile tab
    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 “Match report”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Help page (d) Settings
  26. 26.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Edit photo”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Match report (d) Score card
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap Back
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap the Home tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Profile
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Score card”
    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. tap the Settings tab
    2. open “Help page”
    3. tap Back
    4. open “Edit photo”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Help page (d) Feed
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Video (c) Match report (d) Edit photo
  37. 37.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Friend list”
    4. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Home (c) Profile (d) Friend list
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Map”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Map
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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