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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 327 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Friend list”
    4. open “Video”
    Which screen are you on now?     (a) Badges (b) Video (c) Friend list (d) Match report
  4. 4.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) goes to the last screen
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Score card”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) hides extra links (d) undoes one move
  7. 7.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) hides extra links
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Match report
  9. 9.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to look busy (d) to hide the menu
  10. 10.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  11. 11.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Home tab
    4. open “Help page”
    5. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Home (c) Friend list (d) Video
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. tap the Settings tab
    5. open “Score card”
    Which screen are you on now?     (a) Chat (b) Score card (c) Edit photo (d) Feed
  14. 14.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) undoes one move
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    4. open “Badges”
    5. open “Map”
    Which screen are you on now?     (a) Badges (b) Match report (c) Feed (d) Map
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Score card
  17. 17.🧭 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
    4. open “Score card”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Score card
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Quiz (d) Badges
  19. 19.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  20. 20.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Friend list”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Friend list (c) Edit photo (d) Map
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Friend list”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Video”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    4. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Video (c) Feed (d) Badges
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Settings (d) Chat
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. open “Friend list”
    Which screen are you on now?     (a) Video (b) Friend list (c) Lessons (d) Quiz
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    4. open “Badges”
    Which screen are you on now?     (a) Video (b) Feed (c) Badges (d) Chat
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Score card”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Quiz tab
    4. open “Friend list”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 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
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. open “Match report”
    4. open “Score card”
    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 Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Match report”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Help page”
    4. tap the Search tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Video”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Video (d) Lessons
  39. 39.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Help page (c) Edit photo (d) Home

Answer key

  1. 0
  2. 3 to 5
  3. Video
  4. goes to the last screen
  5. 0
  6. shows 3 to 5 icons
  7. hides extra links
  8. Settings
  9. so users do not get lost
  10. goes to the last screen
  11. a tab bar
  12. Friend list
  13. Score card
  14. switches main sections
  15. Map
  16. Score card
  17. Score card
  18. Badges
  19. a tab bar
  20. a menu button
  21. Edit photo
  22. 0
  23. 2
  24. the back button
  25. 1
  26. Chat
  27. Edit photo
  28. 1
  29. Friend list
  30. Badges
  31. 1
  32. 2
  33. that tab’s main screen
  34. 0
  35. 0
  36. 0
  37. 1
  38. Badges
  39. a menu button
  40. Help page

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