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