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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 796 · 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 the back button? (a) sits at the bottom (b) hides extra links (c) opens a list of pages (d) goes to the last screen
  2. 2.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Friend list (d) Search
  4. 4.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
  5. 5.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Chat (c) Score card (d) Feed
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Feed tab
    4. tap the Feed tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  10. 10.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Lessons (d) Score card
  12. 12.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) shows 3 to 5 icons (d) switches main sections
  13. 13.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  14. 14.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Help page”
    4. open “Help page”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Score card (d) Map
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Feed tab
    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. open “Help page”
    2. tap Back
    3. open “Match report”
    4. tap the Feed tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Video (c) Search (d) Home
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Video”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  26. 26.Which of these is true of a menu button? (a) opens a list of pages (b) switches main sections (c) shows 3 to 5 icons (d) undoes one move
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Video (b) Profile (c) Home (d) Search
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.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
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Match report”
    4. tap the Home tab
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Badges
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Me
  33. 33.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    4. tap the Settings tab
    5. open “Help page”
    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 “Badges”
    2. open “Match report”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Badges (d) Match report
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Edit photo
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. 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 Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. 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. open “Help page”
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 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

Answer key

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

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