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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 256 · 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 “Help page”
    2. tap Back
    3. open “Score card”
    4. open “Friend list”
    5. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Score card (d) Search
  2. 2.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Map”
    4. tap the Settings tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Edit photo
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Map”
    4. tap the Search tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) shows 3 to 5 icons
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  7. 7.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Video”
    4. tap the Home tab
    Which screen are you on now?     (a) Map (b) Home (c) Video (d) Search
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Quiz tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Friend list (b) Badges (c) Lessons (d) Quiz
  11. 11.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) switches main sections
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Map”
    Which screen are you on now?     (a) Video (b) Friend list (c) Map (d) Feed
  13. 13.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) sits at the bottom (d) undoes one move
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap the Quiz tab
    4. open “Friend list”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Video”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Help page (c) Video (d) Match report
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. open “Edit photo”
    4. tap Back
    5. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Map (d) Profile
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Quiz (d) Help page
  19. 19.🧭 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?
  20. 20.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  21. 21.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  22. 22.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Badges
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Search tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Friend list”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) hides extra links
  28. 28.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to use more battery (d) to look busy
  29. 29.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    4. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Me (c) Lessons (d) Match report
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Quiz (c) Help page (d) Lessons
  33. 33.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) shows 3 to 5 icons (d) goes to the last screen
  34. 34.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Lessons (c) Score card (d) Badges
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Me tab
    4. tap the Lessons tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Help page (c) Lessons (d) Me
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Home 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. tap Back
    3. open “Help page”
    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 “Map”
    2. tap Back
    3. open “Help page”
    4. tap the Settings tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page

Answer key

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

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