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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 143 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  2. 2.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Help page
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Lessons (d) Quiz
  6. 6.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  7. 7.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Score card
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Video”
    Which screen are you on now?     (a) Map (b) Feed (c) Video (d) Chat
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Chat tab
    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 Back
    3. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Help page
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Video”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Video
  13. 13.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) opens a list of pages
  14. 14.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  15. 15.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  16. 16.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
  17. 17.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) hides extra links (d) opens a list of pages
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    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. open “Edit photo”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Match report”
    5. tap the Home tab
    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 “Help page”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Feed (b) Match report (c) Help page (d) Score card
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Badges”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Match report”
    4. open “Score card”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Match report (d) Help page
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Help page (d) Search
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. open “Friend list”
    5. tap the Profile tab
    Which screen are you on now?     (a) Friend list (b) Profile (c) Home (d) Edit photo
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. open “Map”
    4. tap the Search tab
    5. open “Video”
    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. tap the Profile tab
    2. open “Badges”
    3. tap the Search tab
    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. open “Score card”
    2. tap Back
    3. open “Score card”
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Search (c) Score card (d) Home
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Badges”
    4. tap the Me 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. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Edit photo
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Score card”
    4. open “Video”
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Video (c) Score card (d) Edit photo
  32. 32.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) shows 3 to 5 icons (d) undoes one move
  33. 33.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Settings tab
    4. open “Help page”
    5. tap the Settings tab
    Which screen are you on now?     (a) Map (b) Settings (c) Help page (d) Feed
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. open “Video”
    4. open “Badges”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Home (c) Map (d) Score card
  38. 38.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) hides extra links
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Edit photo (d) Help page
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Badges”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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