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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 693 · 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 the back button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) switches main sections
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Score card
  3. 3.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) undoes one move
  4. 4.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Match report (c) Friend list (d) Feed
  6. 6.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) sits at the bottom (d) shows 3 to 5 icons
  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 sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  9. 9.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) opens a list of pages (d) goes to the last screen
  10. 10.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Map”
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Match report
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Match report (d) Help page
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Score card (b) Feed (c) Chat (d) Badges
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Quiz (d) Lessons
  15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  16. 16.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Match report (c) Feed (d) Chat
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Edit photo (d) Badges
  21. 21.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) that tab’s main screen (d) the last app used
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Video”
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Video
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap the Profile tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Profile (d) Search
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Help page”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Search (c) Score card (d) Home
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Friend list (d) Edit photo
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Home tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Badges (c) Lessons (d) Quiz
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Friend list”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Help page”
    4. open “Score card”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Quiz (c) Video (d) Lessons
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Profile (c) Search (d) Home
  35. 35.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. tap the Feed tab
    5. tap the Chat 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 Chat tab
    2. tap the Settings tab
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Badges”
    Which screen are you on now?     (a) Chat (b) Badges (c) Feed (d) Settings
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Match report”
    4. open “Help page”
    5. tap Back
    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. open “Match report”
    2. tap the Feed tab
    3. tap the Feed tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Feed (c) Settings (d) Chat
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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