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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 352 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Map
  2. 2.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) sits at the bottom
  3. 3.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Profile
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Badges”
    4. tap the Lessons tab
    5. open “Score card”
    Which screen are you on now?     (a) Badges (b) Match report (c) Lessons (d) Score card
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. open “Match report”
    4. tap the Me tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Map
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap Back
    4. open “Score card”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Badges (d) Quiz
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Score card”
    4. tap Back
    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 “Badges”
    3. open “Help page”
    Which screen are you on now?     (a) Map (b) Lessons (c) Badges (d) Help page
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Video (b) Friend list (c) Feed (d) Map
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    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 “Map”
    2. tap Back
    3. open “Help page”
    4. open “Score card”
    Which screen are you on now?     (a) Home (b) Help page (c) Map (d) Score card
  17. 17.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) undoes one move (d) opens a list of pages
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Lessons (d) Quiz
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  20. 20.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Help page”
    Which screen are you on now?     (a) Badges (b) Help page (c) Quiz (d) Lessons
  22. 22.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  23. 23.🧭 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
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Profile
  24. 24.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) opens a list of pages (d) goes to the last screen
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. open “Score card”
    4. open “Match report”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Settings
  27. 27.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  28. 28.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap the Feed tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Friend list (c) Edit photo (d) Video
  31. 31.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    5. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Match report (c) Home (d) Edit photo
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Video”
    3. tap the Settings tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Video (b) Chat (c) Settings (d) Feed
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Friend list”
    4. open “Friend list”
    5. 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 “Edit photo”
    2. tap the Settings tab
    3. open “Map”
    4. tap the Chat tab
    5. open “Help page”
    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 “Map”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Map
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Help page”
    4. open “Video”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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