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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 103 · 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.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) goes to the last screen (d) opens a list of pages
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Badges (b) Quiz (c) Me (d) Lessons
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  5. 5.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  6. 6.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  7. 7.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  10. 10.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) sits at the bottom (d) shows 3 to 5 icons
  11. 11.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap the Search tab
    4. open “Video”
    Which screen are you on now?     (a) Badges (b) Friend list (c) Home (d) Video
  13. 13.🧭 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 “Score card”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Home (d) Search
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Lessons 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 “Friend list”
    2. tap the Quiz 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    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?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  19. 19.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Search tab
    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 “Match report”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Friend list (d) Match report
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Help page
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Map”
    Which screen are you on now?     (a) Search (b) Map (c) Home (d) Profile
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Score card (d) Match report
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 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?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Map (d) Help page
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) opens a list of pages (d) goes to the last screen
  31. 31.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) switches main sections
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Friend list”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Home (d) Badges
  33. 33.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) undoes one move
  34. 34.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) goes to the last screen
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Map”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Quiz (c) Map (d) Lessons
  38. 38.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  39. 39.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Match report

Answer key

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

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