App Dev Worksheet: Part 2 Test
Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.
NameDateTime takenScore ___ / 40
- 1.Which of these is true of a final design? (a) is a quick sketch (b) uses the final pictures (c) shows where things go (d) uses plain grey boxes
-
2.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
[ list of items ]
[ top bar ]
[ Add button ]
[ search box ]
[ tab bar ] (a) top bar (b) list of items (c) search box (d) Add button - 3.True or false: a final design has no real colours. (a) False (b) True
- 4.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
- 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere
- 6.True or false: space between buttons is good button design. (a) False (b) True
- 7.🔘 Our rule: buttons are at least 48 px tall. The Next button is 40 px tall. How many px taller must it be?
- 8.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
- 9.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
- 10.🔢 In a photo-post flow, what comes right after “add a filter”? (a) open the camera screen (b) take the photo (c) write a caption (d) post the photo
- 11.🔢 In a food-order flow, which comes LAST? (a) track the order (b) add it to the cart (c) pick a dish (d) open the menu
- 12.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) read a question (b) tap “Start quiz” (c) see the final score (d) pick an answer
-
13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. tap the Chat tab
2. open “Edit photo”
3. tap the Settings tab
How many times must you tap Back to reach the main screen of this tab? - 14.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) perfect UX (c) no UI at all (d) good UI but poor UX
-
15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. open “Edit photo”
2. tap Back
3. open “Video”
How many times must you tap Back to reach the main screen of this tab? - 16.💾 In most code, the first item of a list is at position ___. (a) 2 (b) 0 (c) 10 (d) 1
-
17.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Item → Shop → Pay → Offers → Size
Design B: Home → Menu → Shop → Size → Search → Pens → Offers -
18.🖼️ How many parts (boxes) does this wireframe have?
[ list of items ]
[ title text ]
[ tab bar ]
[ filter buttons ] - 19.🔍 Which is the odd one out? (a) the button colours (b) whether users get lost (c) the screen layout (d) the theme colours
- 20.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) write a caption (c) open the camera screen (d) add a filter
- 21.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) icons with no labels (d) labels on every icon
- 22.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
- 23.🔍 Which is the odd one out? (a) the button colours (b) how users feel after (c) the icon shapes (d) the theme colours
- 24.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) pick an answer (c) read a question (d) see the final score
- 25.Which colour pair is easy to read? (a) pale pink on white (b) yellow on white (c) red on green (d) black on yellow
- 26.🎨 UI stands for user ___. (a) input (b) idea (c) interface (d) internet
- 27.True or false: a final design shows the real fonts. (a) False (b) True
-
28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Map”
2. tap Back
3. open “Edit photo”
4. open “Score card”
5. open “Match report”
Which screen are you on now? (a) Score card (b) Edit photo (c) Match report (d) Map - 29.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
-
30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Footer: 19 px
Menu: 23 px
Caption: 17 px
Title: 23 px
Hint: 9 px (a) Hint (b) Menu (c) Footer (d) Caption -
31.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ search box ]
[ big picture ]
[ list of items ]
[ tab bar ] (a) big picture (b) list of items (c) tab bar - 32.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
-
33.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
[ top bar ]
[ menu icon ]
[ tab bar ]
[ list of items ] (a) list of items (b) tab bar (c) menu icon (d) top bar - 34.🔢 In a sign-up flow, what comes right after “make a password”? (a) open the app (b) see the home screen (c) enter the code sent (d) tap “Sign up”
- 35.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
- 36.💾 Which works with no internet at all? (a) a cloud backup (b) data saved on the phone (c) a cloud leaderboard (d) a shared chat
- 37.Which of these fits saving in the cloud? (a) a draft you are typing (b) the sound on/off setting (c) photos on two devices (d) your last game level
- 38.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
-
39.🖼️ How many parts (boxes) does this wireframe have?
[ big picture ]
[ menu icon ]
[ Save button ]
[ filter buttons ] - 40.💾 Which can hold many values in order? (a) a switch (b) a single number (c) a button (d) a list
Answer key
- uses the final pictures
- search box
- False
- poor design
- at the bottom
- True
- 8
- UX
- a menu button
- write a caption
- track the order
- see the final score
- 0
- good UI but poor UX
- 1
- 0
- 6
- 4
- whether users get lost
- open the camera screen
- icons with no labels
- False
- how users feel after
- see the final score
- black on yellow
- interface
- True
- Match report
- a text label
- Hint
- big picture
- 7
- list of items
- enter the code sent
- UI
- data saved on the phone
- photos on two devices
- reads the screen aloud
- 4
- a list
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students