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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 209 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Lessons (d) Match report
  2. 2.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  3. 3.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Badges”
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Badges
  5. 5.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) opens a list of pages
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Badges
  7. 7.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Score card (b) Feed (c) Help page (d) Match report
  9. 9.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Video
  11. 11.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  12. 12.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Edit photo”
    5. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Edit photo (c) Match report (d) Feed
  14. 14.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Search (c) Friend list (d) Map
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Edit photo”
    4. tap Back
    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 “Friend list”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 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
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  20. 20.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Score card”
    5. open “Score card”
    Which screen are you on now?     (a) Profile (b) Score card (c) Search (d) Home
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) hides extra links
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap Back
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Profile
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. tap the Search tab
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Friend list
  26. 26.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) undoes one move
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Edit photo”
    4. open “Map”
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Badges (d) Map
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. open “Friend list”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Me tab
    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 “Edit photo”
    2. tap the Home tab
    3. open “Video”
    4. tap the Search tab
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Video (c) Edit photo (d) Home
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Help page”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Friend list (d) Lessons
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Edit photo (d) Chat
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. open “Help page”
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now?     (a) Home (b) Map (c) Help page (d) Match report
  37. 37.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Settings
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Video”
    4. open “Help page”
    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. open “Help page”
    2. tap the Home tab
    3. open “Badges”
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Profile (c) Badges (d) Match report

Answer key

  1. Quiz
  2. goes to the last screen
  3. a tab bar
  4. Badges
  5. sits at the bottom
  6. Profile
  7. a tab bar
  8. Help page
  9. so users do not get lost
  10. Lessons
  11. the back button
  12. goes to the last screen
  13. Settings
  14. a menu button
  15. Friend list
  16. 2
  17. 1
  18. at the bottom
  19. 3 to 5
  20. a tab bar
  21. Score card
  22. 1
  23. hides extra links
  24. Search
  25. Badges
  26. shows 3 to 5 icons
  27. 0
  28. Match report
  29. 0
  30. the back button
  31. 0
  32. Score card
  33. 2
  34. Friend list
  35. Feed
  36. Match report
  37. that tab’s main screen
  38. Settings
  39. 2
  40. Profile

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