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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 511 · 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 “Friend list”
    2. tap the Lessons tab
    3. open “Help page”
    4. 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 “Map”
    2. tap Back
    3. open “Video”
    4. open “Friend list”
    5. open “Help page”
    Which screen are you on now?     (a) Video (b) Map (c) Friend list (d) Help page
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Chat (b) Video (c) Edit photo (d) Feed
  4. 4.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) that tab’s main screen (d) the last app used
  5. 5.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  6. 6.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Search (b) Home (c) Video (d) Map
  8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap the Me tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Map (d) Edit photo
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  11. 11.Which of these is true of the back button? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) switches main sections
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Help page
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Map (d) Match report
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Profile
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) switches main sections (d) goes to the last screen
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Help page
  23. 23.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap the Chat tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Friend list (c) Feed (d) Chat
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Map”
    4. open “Friend list”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Help page (c) Edit photo (d) Quiz
  28. 28.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) switches main sections (d) shows 3 to 5 icons
  29. 29.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  30. 30.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    4. open “Score card”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Profile
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap Back
    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. tap the Profile tab
    3. tap the Profile tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. tap the Feed tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Match report (d) Feed
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Match report”
    5. tap the Search 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. open “Badges”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Badges
  39. 39.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) hides extra links
  40. 40.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) hides extra links

Answer key

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

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