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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 659 · 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.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Edit photo”
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Match report
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap the Feed tab
    5. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Map (d) Feed
  5. 5.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Home (d) Score card
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Edit photo
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) goes to the last screen (d) opens a list of pages
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Friend list”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  12. 12.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Me (b) Lessons (c) Map (d) Quiz
  14. 14.🧭 Which part of navigation shows 3 to 5 icons? (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. tap the Feed tab
    2. open “Map”
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Map
  16. 16.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 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
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Edit photo”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Video (d) Help page
  19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
  20. 20.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Video
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) undoes one move
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Home (c) Edit photo (d) Video
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Score card (d) Quiz
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Help page”
    4. open “Map”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Score card (d) Edit photo
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Video
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Profile 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 “Match report”
    2. tap Back
    3. open “Match report”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Chat (c) Match report (d) Feed
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Help page (b) Home (c) Map (d) Match report
  33. 33.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Score card
  35. 35.🧭 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 Back
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap the Feed tab
    4. tap the Feed tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Settings
  37. 37.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) goes to the last screen
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Me tab
    Which screen are you on now?     (a) Me (b) Friend list (c) Lessons (d) Help page
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Map (c) Video (d) Edit photo

Answer key

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

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