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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 542 · 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 of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) undoes one move
  2. 2.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) opens a list of pages
  3. 3.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Me tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Badges
  5. 5.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  6. 6.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Video”
    4. open “Help page”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  9. 9.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  10. 10.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Badges
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Map”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Feed (c) Map (d) Chat
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Badges
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Badges (c) Search (d) Home
  15. 15.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  16. 16.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  17. 17.🧭 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
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Map (c) Lessons (d) Quiz
  19. 19.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) undoes one move
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Video (d) Chat
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Edit photo”
    5. open “Help page”
    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. tap the Search tab
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Home tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Home 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 “Match report”
    2. tap Back
    3. tap the Search tab
    4. open “Badges”
    Which screen are you on now?     (a) Match report (b) Search (c) Badges (d) Home
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Me tab
    4. tap the Lessons tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Score card (c) Me (d) Lessons
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Badges”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Video (b) Me (c) Quiz (d) Lessons
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Map (c) Match report (d) Edit photo
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. open “Help page”
    5. open “Badges”
    Which screen are you on now?     (a) Help page (b) Badges (c) Match report (d) Feed
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    5. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Feed (c) Edit photo (d) Map
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    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 “Badges”
    2. tap Back
    3. tap the Me tab
    4. tap the Me tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Edit photo (d) Lessons
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Me tab
    4. open “Map”
    5. tap Back
    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 Search tab
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Edit photo
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Search (d) Home
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap Back
    4. open “Edit photo”
    5. tap the Settings tab
    Which screen are you on now?     (a) Help page (b) Settings (c) Edit photo (d) Feed
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Score card”
    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 “Match report”
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Match report
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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