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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 661 · 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 of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) undoes one move
  2. 2.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  3. 3.🧭 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 “Edit photo”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  5. 5.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
  6. 6.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) undoes one move
  7. 7.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Home tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Help page”
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Help page
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Video
  11. 11.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) switches main sections
  12. 12.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Help page
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Settings (d) Chat
  17. 17.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    4. tap the Feed tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Friend list (d) Score card
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Chat tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Friend list (d) Settings
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Friend list (d) Search
  21. 21.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) sits at the bottom
  22. 22.🧭 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
    4. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Match report
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) that tab’s main screen (d) the phone settings
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap the Search tab
    4. open “Match report”
    5. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Match report (d) Badges
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. open “Match report”
    4. tap the Settings tab
    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. tap the Me tab
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Me (b) Badges (c) Lessons (d) Quiz
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Me 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. tap the Feed tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Settings (b) Chat (c) Friend list (d) Feed
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Match report (d) Score card
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Profile tab
    4. tap the Profile tab
    5. open “Match report”
    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 “Help page”
    2. tap the Search tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Search (c) Home (d) Edit photo
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Help page”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Badges (c) Lessons (d) Help page
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Friend list (c) Home (d) Search
  35. 35.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Help page”
    4. tap the Quiz tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Help page
  37. 37.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Search tab
    4. open “Video”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Profile tab
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Profile
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Quiz (c) Score card (d) Lessons

Answer key

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

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