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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 537 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?
    (a) Quiz (b) Badges (c) Friend list (d) Lessons
  3. 3.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) to use more battery (d) so users do not get lost
  4. 4.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) shows 3 to 5 icons
  5. 5.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Edit photo”
    4. open “Badges”
    Which screen are you on now?
    (a) Help page (b) Edit photo (c) Badges (d) Score card
  8. 8.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) sits at the bottom
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 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. open “Match report”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. open “Edit photo”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation shows 3 to 5 icons? (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 “Edit photo”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?
    (a) Home (b) Profile (c) Edit photo (d) Badges
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap the Lessons tab
    Which screen are you on now?
    (a) Lessons (b) Edit photo (c) Quiz (d) Badges
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) hides extra links
  22. 22.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. open “Friend list”
    5. open “Video”
    Which screen are you on now?
    (a) Friend list (b) Video (c) Help page (d) Feed
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. open “Map”
    4. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?
    (a) Video (b) Map (c) Lessons (d) Quiz
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Map”
    Which screen are you on now?
    (a) Feed (b) Chat (c) Map (d) Badges
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap the Settings tab
    Which screen are you on now?
    (a) Edit photo (b) Score card (c) Settings (d) Feed
  28. 28.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  29. 29.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) undoes one move (d) opens a list of pages
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Search tab
    4. tap the Search tab
    Which screen are you on now?
    (a) Map (b) Profile (c) Search (d) Home
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Help page”
    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 “Score card”
    2. tap Back
    3. open “Help page”
    4. tap the Home tab
    Which screen are you on now?
    (a) Search (b) Home (c) Score card (d) Help page
  33. 33.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Map”
    4. tap the Home tab
    5. open “Score card”
    Which screen are you on now?
    (a) Map (b) Home (c) Score card (d) Search
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Badges”
    4. tap Back
    5. tap Back
    Which screen are you on now?
    (a) Video (b) Badges (c) Lessons (d) Friend list
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. open “Friend list”
    Which screen are you on now?
    (a) Friend list (b) Score card (c) Map (d) Home
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Map”
    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 Search tab
    2. open “Match report”
    3. tap Back
    4. tap the Search tab
    Which screen are you on now?
    (a) Match report (b) Profile (c) Home (d) Search
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now?
    (a) Lessons (b) Quiz (c) Match report (d) Badges

Answer key

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

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