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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 846 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Me
  2. 2.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  3. 3.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) goes to the last screen
  4. 4.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap Back
    4. open “Match report”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. open “Score card”
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Badges (c) Edit photo (d) Score card
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Map”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Me (c) Quiz (d) Lessons
  11. 11.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) sits at the bottom
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. open “Badges”
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Score card (d) Badges
  13. 13.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Score card”
    4. tap the Quiz tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Help page”
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Help page
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. open “Video”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  18. 18.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Feed (b) Match report (c) Video (d) Chat
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Friend list”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  23. 23.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Profile
  25. 25.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  26. 26.🧭 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) Home (b) Edit photo (c) Badges (d) Search
  27. 27.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) undoes one move
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Friend list”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap Back
    4. open “Score card”
    5. open “Map”
    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. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. open “Friend list”
    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 “Map”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Map (c) Lessons (d) Me
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) switches main sections
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Help page”
    Which screen are you on now?     (a) Chat (b) Feed (c) Help page (d) Video
  37. 37.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. open “Score card”
    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. tap the Feed tab
    2. open “Friend list”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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