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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 616 · 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. open “Badges”
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Map (c) Badges (d) Edit photo
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  8. 8.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Map”
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Map
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Score card”
    4. open “Friend list”
    5. tap the Chat tab
    Which screen are you on now?     (a) Score card (b) Chat (c) Video (d) Friend list
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Help page (d) Home
  15. 15.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  17. 17.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) sits at the bottom (d) goes to the last screen
  18. 18.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  19. 19.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to use more battery (d) to look busy
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Match report”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of a menu button? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. open “Score card”
    Which screen are you on now?     (a) Map (b) Score card (c) Home (d) Help page
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Video (c) Help page (d) Quiz
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. open “Score card”
    4. tap the Chat tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Score card”
    4. open “Edit photo”
    5. open “Score card”
    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. tap Back
    3. tap the Profile tab
    4. open “Video”
    5. open “Map”
    Which screen are you on now?     (a) Friend list (b) Video (c) Map (d) Home
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap the Quiz tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Friend list (d) Lessons
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Badges (c) Match report (d) Search
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Profile (c) Search (d) Home
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Map (c) Match report (d) Quiz
  34. 34.🧭 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”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Map”
    4. tap Back
    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. tap the Feed tab
    2. open “Map”
    3. open “Score card”
    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. open “Badges”
    2. open “Edit photo”
    3. tap the Profile tab
    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 “Match report”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Match report (b) Feed (c) Settings (d) Chat
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Video”
    3. open “Friend list”
    Which screen are you on now?     (a) Video (b) Friend list (c) Badges (d) Feed
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Help page (d) Badges

Answer key

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

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