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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 824 · 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.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  5. 5.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  6. 6.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  7. 7.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  8. 8.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) inside a button (d) at the bottom
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. open “Score card”
    4. tap the Feed tab
    Which screen are you on now?     (a) Score card (b) Feed (c) Map (d) Chat
  10. 10.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  11. 11.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) switches main sections (d) opens a list of pages
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Badges”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Badges (c) Profile (d) Home
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. open “Map”
    4. open “Help page”
    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. open “Match report”
    2. tap the Profile tab
    3. open “Badges”
    4. open “Map”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 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 “Match report”
    5. open “Map”
    Which screen are you on now?     (a) Help page (b) Map (c) Match report (d) Feed
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Lessons (d) Map
  23. 23.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  24. 24.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. tap the Profile tab
    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. open “Match report”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Edit photo
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Score card
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Match report (c) Friend list (d) Home
  31. 31.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) undoes one move
  32. 32.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Friend list
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Badges
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Score card”
    Which screen are you on now?     (a) Badges (b) Home (c) Score card (d) Search
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Score card
  37. 37.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) sits at the bottom
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Home (d) Search
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Map”
    4. tap Back
    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 “Match report”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Profile (c) Home (d) Search

Answer key

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

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