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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 850 · 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) switches main sections (b) undoes one move (c) hides extra links (d) goes to the last screen
  2. 2.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) sits at the bottom (d) undoes one move
  3. 3.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Video”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Video (b) Profile (c) Search (d) Home
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. open “Edit photo”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Match report”
    4. open “Edit photo”
    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 “Badges”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Badges (d) Search
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Me (c) Quiz (d) Lessons
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Feed (c) Friend list (d) Chat
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Score card”
    4. tap the Profile tab
    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 “Video”
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Badges (c) Video (d) Edit photo
  17. 17.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  18. 18.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Settings tab
    4. open “Friend list”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) sits at the bottom
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Map”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Map (c) Edit photo (d) Help page
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap the Settings tab
    4. open “Video”
    Which screen are you on now?     (a) Chat (b) Feed (c) Video (d) Badges
  23. 23.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Friend list”
    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. tap the Feed tab
    2. open “Friend list”
    3. tap the Settings tab
    4. open “Friend list”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Video”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Video (c) Score card (d) Edit photo
  27. 27.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Chat (d) Settings
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Chat tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Settings (c) Chat (d) Feed
  30. 30.🧭 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. open “Badges”
    5. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Badges (c) Search (d) Home
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Friend list”
    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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Score card”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Video (b) Feed (c) Map (d) Score card
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Friend list”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Me tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Me
  37. 37.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap Back
    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. open “Help page”
    2. open “Friend list”
    3. open “Badges”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Help page (c) Badges (d) Feed
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Match report”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Chat (b) Match report (c) Help page (d) Feed

Answer key

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

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