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App Dev Worksheet: Navigation

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

Answer key

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

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