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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 269 · 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 part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 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
  4. 4.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) shows 3 to 5 icons
  5. 5.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Lessons tab
    4. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?
    (a) Edit photo (b) Lessons (c) Map (d) Video
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) deletes the page (d) opens settings
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Map”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now?
    (a) Search (b) Friend list (c) Profile (d) Home
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Score card”
    4. open “Edit photo”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Search tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?
    (a) Friend list (b) Badges (c) Match report (d) Search
  13. 13.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  14. 14.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) a random page (d) the phone settings
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Chat tab
    Which screen are you on now?
    (a) Settings (b) Match report (c) Chat (d) Feed
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap the Search tab
    Which screen are you on now?
    (a) Search (b) Home (c) Score card (d) Profile
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now?
    (a) Search (b) Badges (c) Profile (d) Home
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Search tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now?
    (a) Score card (b) Home (c) Search (d) Help page
  22. 22.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) switches main sections
  23. 23.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Help page”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Help page”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?
    (a) Chat (b) Help page (c) Feed (d) Settings
  29. 29.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. open “Map”
    4. tap Back
    Which screen are you on now?
    (a) Friend list (b) Home (c) Search (d) Map
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Badges”
    Which screen are you on now?
    (a) Lessons (b) Quiz (c) Badges (d) Help page
  32. 32.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) opens a list of pages (d) hides extra links
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Edit photo”
    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 “Friend list”
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    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. tap the Profile tab
    2. open “Badges”
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Score card”
    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 Back
    3. open “Help page”
    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 “Edit photo”
    3. tap the Search tab
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?
    (a) Home (b) Search (c) Profile (d) Edit photo
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    4. tap the Feed tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Map”
    4. open “Map”
    Which screen are you on now?
    (a) Home (b) Edit photo (c) Map (d) Video
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?
    (a) Friend list (b) Edit photo (c) Help page (d) Match report

Answer key

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

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