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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 448 · 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 tab bar? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) goes to the last screen
  2. 2.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to look busy (d) to hide the menu
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Settings
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Help page”
    4. open “Map”
    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 “Edit photo”
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Match report (d) Help page
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings
  8. 8.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  9. 9.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
  13. 13.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
  14. 14.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  15. 15.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) switches main sections (d) opens a list of pages
  16. 16.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) hides extra links
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Profile
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Settings tab
    4. open “Help page”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Badges (d) Help page
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Video”
    3. open “Help page”
    4. tap the Lessons tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Match report (d) Feed
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Score card”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  24. 24.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) opens a list of pages
  25. 25.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Match report (c) Friend list (d) Lessons
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 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
    4. open “Map”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. open “Edit photo”
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Score card (c) Help page (d) Feed
  33. 33.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  34. 34.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) sits at the bottom (d) hides extra links
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Chat tab
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Settings (d) Chat
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Friend list (c) Feed (d) Match report
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Chat (d) Settings
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 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”
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Video

Answer key

  1. sits at the bottom
  2. so users do not get lost
  3. Edit photo
  4. 2
  5. Lessons
  6. 1
  7. Chat
  8. goes to the last screen
  9. 3 to 5
  10. 0
  11. 0
  12. at the bottom
  13. that tab’s main screen
  14. the back button
  15. undoes one move
  16. shows 3 to 5 icons
  17. Profile
  18. Help page
  19. 1
  20. 0
  21. Chat
  22. 2
  23. a tab bar
  24. switches main sections
  25. a menu button
  26. 1
  27. Score card
  28. 3
  29. 3
  30. 2
  31. 2
  32. Help page
  33. a tab bar
  34. hides extra links
  35. 0
  36. Feed
  37. Friend list
  38. Feed
  39. 0
  40. Feed

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