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