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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 565 · 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.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Search tab
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Friend list (d) Home
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Settings
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Badges (d) Lessons
  7. 7.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  8. 8.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) switches main sections (d) opens a list of pages
  9. 9.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Quiz (b) Map (c) Lessons (d) Help page
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Chat tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Settings (d) Feed
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. open “Match report”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Chat tab
    Which screen are you on now?     (a) Map (b) Feed (c) Badges (d) Chat
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Profile
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Score card
  17. 17.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  18. 18.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Chat (c) Settings (d) Feed
  21. 21.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  22. 22.🧭 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
    Which screen are you on now?     (a) Profile (b) Search (c) Edit photo (d) Home
  23. 23.🧭 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”
    Which screen are you on now?     (a) Badges (b) Me (c) Quiz (d) Lessons
  24. 24.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) nowhere (d) inside a button
  25. 25.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap the Settings tab
    4. open “Friend list”
    Which screen are you on now?     (a) Map (b) Friend list (c) Feed (d) Chat
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Video”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Me
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. open “Match report”
    Which screen are you on now?     (a) Score card (b) Home (c) Video (d) Match report
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Profile
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Video”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Search tab
    4. open “Friend list”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Score card”
    5. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Search (d) Home
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    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 “Friend list”
    2. tap Back
    3. open “Badges”
    4. open “Badges”
    5. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Badges (d) Feed
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Edit photo (d) Home
  40. 40.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) goes to the last screen

Answer key

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

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