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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 400 · 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.

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

Answer key

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

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