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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 784 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Match report (d) Friend list
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Chat (c) Friend list (d) Feed
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Chat tab
    4. open “Help page”
    Which screen are you on now?     (a) Match report (b) Friend list (c) Feed (d) Help page
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Video”
    4. open “Video”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Video
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap the Me tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Map (d) Home
  11. 11.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Help page (c) Home (d) Search
  14. 14.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  15. 15.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Help page”
    4. open “Match report”
    5. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Search (d) Match report
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Lessons tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) goes to the last screen
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Map”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
  22. 22.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Map (d) Score card
  25. 25.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.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
  28. 28.🧭 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) Map (b) Search (c) Home (d) Profile
  29. 29.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    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?
  31. 31.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) switches main sections
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. tap the Feed tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Feed (c) Map (d) Chat
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Me
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Friend list”
    4. open “Edit photo”
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Friend list (d) Edit photo
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. tap the Profile tab
    5. open “Video”
    Which screen are you on now?     (a) Home (b) Video (c) Badges (d) Search
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Map”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Home (c) Edit photo (d) Search
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. open “Match report”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Edit photo”
    4. open “Badges”
    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. tap Back
    3. open “Score card”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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