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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 774 · 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.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) opens a list of pages (d) sits at the bottom
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Map (d) Settings
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Map”
    4. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Feed (c) Badges (d) Map
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Me
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Badges”
    4. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Quiz (d) Lessons
  9. 9.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Friend list”
    4. open “Edit photo”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Score card
  15. 15.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  16. 16.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Video
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Badges”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Friend list”
    4. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Badges (c) Chat (d) Feed
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Search (c) Home (d) Map
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Map
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Match report”
    4. tap the Feed tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Chat (d) Feed
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Profile
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Badges (d) Home
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Help page”
    5. tap Back
    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. tap the Chat tab
    2. open “Help page”
    3. open “Edit photo”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Score card (c) Friend list (d) Lessons
  35. 35.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Score card”
    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 “Match report”
    2. open “Match report”
    3. tap the Lessons tab
    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. open “Friend list”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Match report (d) Friend list
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Match report (c) Me (d) Lessons
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Edit photo

Answer key

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

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