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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 244 · 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 menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Quiz (c) Edit photo (d) Lessons
  3. 3.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) hides extra links (d) sits at the bottom
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Badges (c) Feed (d) Chat
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Me tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Me tab
    4. open “Map”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Map (d) Quiz
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Map (c) Home (d) Search
  12. 12.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Score card (b) Settings (c) Chat (d) Feed
  14. 14.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Help page”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap Back
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Profile (b) Badges (c) Home (d) Score card
  17. 17.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) opens a list of pages
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Match report”
    4. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Score card (c) Match report (d) Profile
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Feed (c) Edit photo (d) Settings
  25. 25.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  26. 26.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Score card (b) Map (c) Feed (d) Chat
  28. 28.🧭 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
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Settings (b) Edit photo (c) Chat (d) Feed
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    4. open “Badges”
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Badges (c) Video (d) Search
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Feed tab
    4. tap the Feed tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Chat (d) Feed
  36. 36.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Help page
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Edit photo”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Help page (b) Quiz (c) Edit photo (d) Lessons
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Me tab
    4. open “Map”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Video
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Match report (d) Badges

Answer key

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

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