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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 72 · 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.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  2. 2.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) opens a list of pages
  3. 3.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
  4. 4.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) closes all apps (d) opens settings
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap Back
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  9. 9.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Map (c) Home (d) Match report
  12. 12.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  13. 13.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) undoes one move (d) hides extra links
  14. 14.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  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 “Match report”
    4. open “Map”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Map (b) Friend list (c) Match report (d) Lessons
  16. 16.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  17. 17.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Match report”
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Match report (d) Chat
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Badges (d) Match report
  20. 20.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
  21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Video”
    4. open “Edit photo”
    5. open “Badges”
    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 Search tab
    2. open “Score card”
    3. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Home (c) Profile (d) Search
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Map”
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Map (d) Me
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Badges”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Match report
  27. 27.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Map (d) Friend list
  29. 29.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) shows 3 to 5 icons
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Match report”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Badges (c) Match report (d) Lessons
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Video
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. open “Edit photo”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Score card
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Video”
    4. tap the Settings tab
    5. open “Friend list”
    Which screen are you on now?     (a) Video (b) Feed (c) Help page (d) Friend list
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Map (b) Friend list (c) Home (d) Search
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap the Settings tab
    4. open “Badges”
    5. tap the Settings tab
    Which screen are you on now?     (a) Friend list (b) Badges (c) Feed (d) Settings
  36. 36.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Map (c) Help page (d) Score card
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Badges”
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Video (c) Badges (d) Search
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Match report (c) Profile (d) Home

Answer key

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

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