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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 754 · 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. tap the Search tab
    2. open “Match report”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) opens a list of pages
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Match report (d) Video
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. open “Score card”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Score card
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Match report”
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Match report
  8. 8.🧭 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
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Friend list
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Score card
  10. 10.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now?     (a) Map (b) Video (c) Lessons (d) Score card
  13. 13.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. tap Back
    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. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Home (c) Profile (d) Edit photo
  17. 17.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Lessons tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
  20. 20.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  21. 21.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) opens a list of pages
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Search tab
    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 “Map”
    2. open “Edit photo”
    3. open “Map”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Lessons (c) Edit photo (d) Quiz
  25. 25.🧭 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
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Badges”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Profile (c) Home (d) Search
  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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Score card (d) Chat
  30. 30.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. open “Badges”
    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 “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Video (c) Search (d) Home
  33. 33.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) undoes one move (d) sits at the bottom
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Map”
    4. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Map
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Badges”
    4. tap the Chat tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Help page”
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Help page
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Score card (d) Quiz
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Settings tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Map (c) Feed (d) Settings

Answer key

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

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