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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 602 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Match report
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
  3. 3.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Chat tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Profile
  6. 6.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) switches main sections (d) undoes one move
  7. 7.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Friend list”
    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 menu button (b) the back button (c) a tab bar
  10. 10.🧭 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
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. open “Friend list”
    4. tap Back
    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. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Friend list
  14. 14.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  15. 15.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    4. tap the Search tab
    5. tap the Profile 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 “Video”
    2. tap the Lessons tab
    3. open “Video”
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Video
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Map (d) Search
  21. 21.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Help page (c) Chat (d) Feed
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Search tab
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Profile
  24. 24.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Badges”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Badges
  28. 28.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  29. 29.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Badges”
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Badges
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Map”
    4. open “Badges”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Match report (d) Chat
  33. 33.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Map”
    4. tap Back
    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. open “Edit photo”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Badges
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Settings (d) Chat
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Video (c) Match report (d) Edit photo
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom

Answer key

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

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