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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 768 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Settings tab
    4. tap the Feed tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Profile tab
    4. tap the Home tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Friend list (c) Feed (d) Chat
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  7. 7.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  8. 8.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  9. 9.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) sits at the bottom
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Match report (c) Me (d) Quiz
  11. 11.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  12. 12.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Me (c) Quiz (d) Lessons
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Map”
    4. open “Video”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Video (c) Quiz (d) Lessons
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Home (d) Badges
  17. 17.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Search tab
    4. open “Score card”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Me tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 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
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Badges (d) Match report
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Map”
    Which screen are you on now?     (a) Chat (b) Feed (c) Friend list (d) Map
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  26. 26.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Map”
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Video (d) Search
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Lessons (d) Video
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
  33. 33.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) switches main sections (d) sits at the bottom
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  36. 36.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) opens a list of pages
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Profile tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Help page (c) Search (d) Home
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Friend list”
    4. tap the Settings tab
    Which screen are you on now?     (a) Friend list (b) Settings (c) Chat (d) Feed
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Match report”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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