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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 53 · 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. tap the Search tab
    2. open “Edit photo”
    3. open “Video”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Video
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Badges (c) Feed (d) Chat
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Map”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  5. 5.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  6. 6.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  7. 7.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Match report (c) Video (d) Home
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. tap Back
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Match report
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    4. open “Match report”
    Which screen are you on now?     (a) Map (b) Match report (c) Search (d) Home
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Home tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Score card
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Map (d) Score card
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Me tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Quiz (c) Lessons (d) Edit photo
  16. 16.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Help page”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Help page (c) Search (d) Home
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. open “Map”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) hides extra links (d) opens a list of pages
  23. 23.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) undoes one move (d) switches main sections
  24. 24.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) goes to the last screen (d) undoes one move
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap the Quiz tab
    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. open “Friend list”
    2. tap Back
    3. open “Video”
    4. tap the Search tab
    Which screen are you on now?     (a) Friend list (b) Video (c) Search (d) Home
  30. 30.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    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?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Me tab
    4. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Badges (c) Edit photo (d) Lessons
  33. 33.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Home 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 “Map”
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap the Lessons tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. open “Map”
    4. tap the Home 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 “Map”
    2. open “Match report”
    3. open “Video”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) undoes one move (d) hides extra links
  40. 40.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) sits at the bottom

Answer key

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

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