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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 176 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Quiz tab
    4. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Friend list (d) Lessons
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Score card”
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Feed (d) Chat
  4. 4.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Search (c) Friend list (d) Home
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. open “Friend list”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Friend list
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Badges”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Video (d) Badges
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Video”
    3. tap the Home tab
    Which screen are you on now?     (a) Video (b) Friend list (c) Home (d) Search
  11. 11.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Score card
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Friend list (c) Lessons (d) Edit photo
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Badges
  16. 16.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  17. 17.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Badges (b) Lessons (c) Edit photo (d) Quiz
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Home tab
    4. 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Match report”
    4. tap Back
    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 “Score card”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Me (c) Edit photo (d) Quiz
  23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) nowhere (d) inside a button
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Video (b) Match report (c) Home (d) Search
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Me (b) Badges (c) Quiz (d) Lessons
  26. 26.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 1 (d) 20
  27. 27.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Score card”
    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 “Help page”
    2. tap the Home tab
    3. open “Video”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Match report”
    4. 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. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to hide the menu (d) to look busy
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Map (d) Edit photo
  36. 36.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) goes to the last screen
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  39. 39.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Profile tab
    4. open “Map”
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Home (d) Search

Answer key

  1. Me
  2. 0
  3. Friend list
  4. goes to the last screen
  5. Friend list
  6. 3
  7. that tab’s main screen
  8. Me
  9. Home
  10. Home
  11. goes to the last screen
  12. 0
  13. Home
  14. Edit photo
  15. Score card
  16. a tab bar
  17. a menu button
  18. Edit photo
  19. 0
  20. 2
  21. 1
  22. Edit photo
  23. at the bottom
  24. Home
  25. Quiz
  26. 3 to 5
  27. a menu button
  28. 2
  29. 2
  30. shows 3 to 5 icons
  31. 0
  32. 0
  33. so users do not get lost
  34. 0
  35. Edit photo
  36. opens a list of pages
  37. 1
  38. sits at the bottom
  39. the back button
  40. Edit photo

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