App Dev Worksheet: Parts of an App
Developer's tip (Screen, tap, type, keep): A screen is one page of the app; a button starts an action. Inputs take information: text box (typing), switch (on / off), slider (a level), date picker. Data is what the app keeps: notes, scores, settings, lists.
NameDateTime takenScore ___ / 40
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1.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Add Homework
[button] Start
[slider] Brightness
[text box] Name
[switch] Remind me
[button] Send - 2.True or false: the game-over page is a button. (a) True (b) False
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3.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Settings
[switch] Show hints
[slider] Brightness
[button] Back
[text box] Age -
4.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Add Homework
[text box] Age
[switch] Dark mode
[button] Cancel
[text box] Subject - 5.True or false: tap to Send is an input. (a) False (b) True
- 6.🧩 Which input is best for turning something ON or OFF? (a) a slider (b) a text box (c) a switch (d) a title
- 7.Which of these is an input? (a) your friends list (b) tap to go Next (c) a box to type a name (d) tap to Start
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8.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Edit Profile
[button] Save
[text box] Email
[slider] Brightness
[button] Send
[text box] Age
[text box] Due date - 9.Which of these is data? (a) the log-in page (b) the home page of an app (c) today’s step count (d) tap to go Next
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10.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Add Homework
[switch] Sound
[text box] Name
[slider] Text size
[text box] Subject
[button] Back
[text box] Due date - 11.Which of these is a button? (a) the game-over page (b) the home page of an app (c) the settings page (d) tap to Start
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12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Order Snacks
[button] Start
[slider] Volume
[switch] Dark mode
[text box] Subject
[button] Help -
13.🧩 Which of these is a button on this screen?
[title] Add Homework
[button] Next
[text box] Phone
[text box] Name
[text box] Notes
[button] Done
[button] Start (a) Done (b) Name (c) Notes (d) Phone - 14.True or false: the home page of an app is a screen. (a) False (b) True
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15.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Settings
[text box] Due date
[text box] Phone
[button] Cancel
[button] Back
[text box] Name - 16.True or false: the log-in page is a screen. (a) False (b) True
- 17.🧩 In an app, what is tap to Send? (a) data (b) an input (c) a screen (d) a button
- 18.🧩 In an app, what is the home page of an app? (a) an input (b) a button (c) a screen (d) data
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19.🧩 How many buttons does this app screen have?
[title] Add Homework
[button] Save
[text box] City
[button] Back
[switch] Dark mode
[text box] Name
[text box] Phone - 20.🧩 In an app, what is the settings page? (a) data (b) an input (c) a button (d) a screen
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21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Edit Profile
[text box] Name
[button] Next - 22.🧩 In an app, what is tap to Start? (a) an input (b) a button (c) data (d) a screen
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23.🧩 Which of these is a button on this screen?
[title] Sign Up
[text box] Name
[slider] Volume
[text box] Notes
[button] Next
[button] Send
[switch] Dark mode
[button] Start
[text box] Due date (a) Name (b) Next (c) Due date (d) Notes -
24.🧩 How many buttons does this app screen have?
[title] New Note
[button] Back
[switch] Show hints
[button] Send
[text box] Age - 25.🧩 Which input is best for typing your name? (a) a picture (b) a slider (c) a switch (d) a text box
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26.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Order Snacks
[button] Help
[switch] Dark mode
[slider] Brightness
[text box] Email - 27.🧩 In an app, what is your high score? (a) an input (b) data (c) a button (d) a screen
- 28.🧩 What do we call one full page of an app? (a) a cable (b) a battery (c) a variable (d) a screen
- 29.Which of these is an input? (a) tap to Save (b) tap to Send (c) a slider for volume (d) your high score
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30.🧩 How many buttons does this app screen have?
[title] Edit Profile
[slider] Volume
[text box] Due date
[button] Done
[text box] Phone - 31.🧩 Which input is best for choosing a volume level? (a) a switch (b) a title (c) a slider (d) a text box
- 32.True or false: the log-in page is an input. (a) True (b) False
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33.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Order Snacks
[button] Send
[button] Back
[switch] Dark mode
[button] Next
[text box] Phone -
34.🧩 Which of these is a button on this screen?
[title] Add Homework
[switch] Sound
[slider] Text size
[text box] Due date
[button] Help
[button] Back
[text box] Phone
[button] Cancel (a) Sound (b) Due date (c) Help (d) Phone - 35.Which of these is an input? (a) tap to Start (b) the home page of an app (c) a switch for dark mode (d) today’s step count
- 36.Which of these is data? (a) your high score (b) tap to Send (c) tap to Start (d) tap to go Next
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37.🧩 How many buttons does this app screen have?
[title] New Note
[switch] Remind me
[button] Save
[slider] Brightness
[button] Start
[text box] City -
38.🧩 Which of these is a button on this screen?
[title] Sign Up
[button] Cancel
[slider] Brightness
[text box] Phone
[button] Next (a) Next (b) Brightness (c) Phone -
39.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
[title] Settings
[button] Save
[text box] Phone
[button] Done
[button] Back
[text box] Due date
[switch] Sound - 40.True or false: tap to Send is a button. (a) True (b) False
Answer key
- 3
- False
- 3
- 3
- False
- a switch
- a box to type a name
- 4
- today’s step count
- 5
- tap to Start
- 3
- Done
- True
- 3
- True
- a button
- a screen
- 2
- a screen
- 1
- a button
- Next
- 2
- a text box
- 3
- data
- a screen
- a slider for volume
- 1
- a slider
- False
- 2
- Help
- a switch for dark mode
- your high score
- 2
- Next
- 3
- True
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students