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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 46 · 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.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
  2. 2.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  3. 3.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  5. 5.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) hides extra links
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    4. tap the Home tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Video (c) Edit photo (d) Home
  7. 7.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) undoes one move (d) hides extra links
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Me tab
    Which screen are you on now?     (a) Map (b) Lessons (c) Me (d) Quiz
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  11. 11.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  12. 12.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) that tab’s main screen (d) the phone settings
  13. 13.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) switches main sections
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Score card (b) Map (c) Quiz (d) Lessons
  15. 15.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) hides extra links
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Profile tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Feed (c) Edit photo (d) Chat
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. tap the Settings tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Edit photo”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Help page”
    4. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Friend list (d) Video
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. tap the Settings tab
    Which screen are you on now?     (a) Help page (b) Video (c) Settings (d) Feed
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Help page (c) Profile (d) Search
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Map (c) Score card (d) Lessons
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Edit photo
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) hides extra links
  33. 33.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) switches main sections
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Edit photo”
    4. 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Quiz tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Friend list (d) Lessons
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Score card”
    4. tap Back
    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. tap the Profile tab
    2. open “Map”
    3. tap the Search tab
    4. open “Friend list”
    Which screen are you on now?     (a) Search (b) Home (c) Friend list (d) Map
  38. 38.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Match report (c) Home (d) Search
  40. 40.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button

Answer key

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

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