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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 314 · 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.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  2. 2.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Map”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. open “Match report”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) a random page (d) the phone settings
  6. 6.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  7. 7.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) switches main sections
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Search (c) Edit photo (d) Friend list
  9. 9.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) shows 3 to 5 icons (d) switches main sections
  10. 10.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
  11. 11.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Match report (d) Video
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Match report (d) Video
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Me tab
    4. open “Help page”
    Which screen are you on now?     (a) Match report (b) Help page (c) Friend list (d) Lessons
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 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
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap the Settings tab
    5. open “Map”
    Which screen are you on now?     (a) Friend list (b) Chat (c) Feed (d) Map
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Profile tab
    4. open “Friend list”
    5. tap the Home tab
    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. tap the Home tab
    2. open “Video”
    3. tap Back
    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 Search tab
    2. open “Video”
    3. open “Map”
    Which screen are you on now?     (a) Search (b) Map (c) Home (d) Video
  21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Help page
  24. 24.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Badges (c) Home (d) Profile
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Quiz tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Lessons (c) Match report (d) Quiz
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Video (d) Feed
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Feed tab
    4. tap the Settings tab
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Feed (c) Friend list (d) Video
  31. 31.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) hides extra links
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Match report”
    4. tap the Me tab
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Quiz (c) Match report (d) Lessons
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now?     (a) Chat (b) Badges (c) Feed (d) Map
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Map (d) Home
  35. 35.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Video (c) Chat (d) Feed
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Help page”
    4. tap the Lessons tab
    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. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Chat (b) Feed (c) Help page (d) Edit photo
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Settings tab
    Which screen are you on now?     (a) Map (b) Settings (c) Badges (d) Feed
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Video”
    4. tap the Settings tab
    Which screen are you on now?     (a) Video (b) Settings (c) Feed (d) Badges

Answer key

  1. 3 to 5
  2. goes to the last screen
  3. 1
  4. 3
  5. that tab’s main screen
  6. goes to the last screen
  7. opens a list of pages
  8. Friend list
  9. undoes one move
  10. shows 3 to 5 icons
  11. the back button
  12. Video
  13. Badges
  14. Help page
  15. 2
  16. at the bottom
  17. Map
  18. 0
  19. 0
  20. Map
  21. a tab bar
  22. 1
  23. Help page
  24. sits at the bottom
  25. Home
  26. Quiz
  27. 1
  28. 0
  29. Feed
  30. Map
  31. switches main sections
  32. Score card
  33. Map
  34. Map
  35. the back button
  36. Match report
  37. 0
  38. Help page
  39. Settings
  40. Settings

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