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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 509 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Profile
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    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?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. open “Match report”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Video (d) Match report
  5. 5.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) goes to the last screen (d) sits at the bottom
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Score card (d) Help page
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  8. 8.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Settings
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Help page”
    4. tap the Me tab
    5. open “Friend list”
    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 “Match report”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    5. open “Edit photo”
    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 “Score card”
    2. tap the Me tab
    3. open “Badges”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Edit photo
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Video”
    4. open “Map”
    5. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Video (d) Map
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Edit photo”
    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. open “Match report”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap Back
    4. open “Badges”
    5. open “Map”
    Which screen are you on now?     (a) Friend list (b) Map (c) Home (d) Badges
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Badges
  21. 21.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Score card (d) Feed
  23. 23.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  24. 24.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) hides extra links
  25. 25.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Feed tab
    4. tap the Chat tab
    5. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Settings
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Profile tab
    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 “Score card”
    2. tap Back
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Match report
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Match report (b) Home (c) Map (d) Help page
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Quiz (d) Lessons
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of a menu button? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) sits at the bottom
  34. 34.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  35. 35.🧭 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
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Lessons (c) Edit photo (d) Quiz
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Help page”
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Help page
  38. 38.🧭 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. tap the Search tab
    5. tap the Profile 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 “Help page”
    2. tap the Feed tab
    3. open “Video”
    Which screen are you on now?     (a) Help page (b) Video (c) Chat (d) Feed
  40. 40.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) switches main sections

Answer key

  1. 0
  2. Home
  3. 0
  4. Edit photo
  5. goes to the last screen
  6. Video
  7. at the bottom
  8. a tab bar
  9. 2
  10. Chat
  11. a tab bar
  12. 1
  13. 3
  14. 0
  15. Settings
  16. Chat
  17. 1
  18. 0
  19. Map
  20. Search
  21. undoes one move
  22. Badges
  23. the back button
  24. shows 3 to 5 icons
  25. 3 to 5
  26. Settings
  27. 0
  28. Match report
  29. Map
  30. 1
  31. Map
  32. 1
  33. opens a list of pages
  34. a tab bar
  35. Lessons
  36. 1
  37. Feed
  38. 0
  39. Video
  40. switches main sections

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