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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 111 · 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 of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) hides extra links (d) undoes one move
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. open “Video”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Friend list”
    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 “Badges”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Settings (c) Feed (d) Badges
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Score card (d) Me
  9. 9.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. tap the Search tab
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) hides extra links
  14. 14.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) hides extra links
  15. 15.🧭 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. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Profile (c) Search (d) Home
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Settings (b) Chat (c) Badges (d) Feed
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Score card”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Home (d) Edit photo
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Match report (c) Settings (d) Chat
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
  21. 21.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Friend list (c) Feed (d) Edit photo
  23. 23.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  26. 26.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Home (c) Badges (d) Match report
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Badges (c) Score card (d) Search
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Map
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Score card”
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Score card
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap the Me tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Lessons tab
    4. tap the Quiz tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Friend list (d) Help page
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Video (c) Quiz (d) Lessons
  34. 34.🧭 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
    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) opens a list of pages (b) goes to the last screen (c) switches main sections (d) undoes one move
  36. 36.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
  37. 37.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) hides extra links
  38. 38.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Map”
    5. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Lessons (d) Map
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Search tab
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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