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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 142 · 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.

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

Answer key

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

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