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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 601 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  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. tap the Lessons tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons
  3. 3.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) goes to the last screen
  4. 4.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) undoes one move
  5. 5.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) switches main sections (d) goes to the last screen
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Chat (c) Feed (d) Settings
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Edit photo
  8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  10. 10.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  11. 11.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Chat (b) Help page (c) Feed (d) Match report
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Match report”
    4. tap the Search tab
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Badges (c) Home (d) Video
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) goes to the last screen
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Match report”
    5. tap the Settings tab
    Which screen are you on now?     (a) Help page (b) Settings (c) Match report (d) Feed
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    4. open “Help page”
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Settings
  20. 20.🧭 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 Home tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Badges”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Edit photo
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Map (c) Home (d) Search
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Settings (c) Help page (d) Badges
  26. 26.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Home tab
    4. open “Match report”
    5. open “Help page”
    Which screen are you on now?     (a) Match report (b) Help page (c) Friend list (d) Map
  29. 29.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) goes to the last screen (d) hides extra links
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Feed (c) Score card (d) Chat
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Score card
  33. 33.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
  34. 34.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Home (d) Badges
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap the Settings tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Match report”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Edit photo (d) Feed
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Help page

Answer key

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

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