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 colour pair is hard to read? (a) black on yellow (b) black on pale grey (c) dark blue on white (d) dark blue on black
- 2.Which of these is true of a final design? (a) uses the final pictures (b) is a quick sketch (c) has no real colours (d) shows where things go
- 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
- 4.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
- 5.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) has the real colours (d) has no real colours
- 6.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
-
7.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
[ search box ]
[ tab bar ]
[ filter buttons ]
[ top bar ]
[ Save button ]
[ list of items ] (a) tab bar (b) top bar (c) Save button (d) search box - 8.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) tap “Sign up” (b) type name and email (c) make a password (d) see the home screen
- 9.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
- 10.True or false: the theme colours is about UX (the experience). (a) False (b) True
- 11.Which of these is true of a final design? (a) is a quick sketch (b) uses plain grey boxes (c) has no real colours (d) looks like the real app
- 12.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
- 13.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
- 14.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) open the camera screen (c) post the photo (d) add a filter
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15.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
Done button: 52 px tall
Start button: 48 px tall
Send button: 56 px tall - 16.🔀 Why plan the user flow before building? (a) so each step is clear (b) to add more taps (c) to hide the buttons (d) to skip testing
- 17.True or false: a final design has the real colours. (a) False (b) True
-
18.🖼️ How many parts (boxes) does this wireframe have?
[ Save button ]
[ list of items ]
[ top bar ]
[ Add button ] -
19.🖼️ In this wireframe (top to bottom), what is right above the Save button?
[ search box ]
[ menu icon ]
[ filter buttons ]
[ title text ]
[ Save button ]
[ big picture ] (a) title text (b) search box (c) menu icon (d) big picture - 20.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
- 21.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
-
22.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
Design A: Home → Item → Size → Results → Confirm
Design B: Home → Shop → Cart → Search - 23.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
- 24.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) fast-flashing lights (d) labels on every icon
- 25.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) sudden loud sounds (d) strong colour contrast
-
26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
1. tap the Search tab
2. open “Match report”
3. open “Edit photo”
4. open “Match report”
Which screen are you on now? (a) Search (b) Match report (c) Edit photo (d) Home -
27.🖼️ In this wireframe (top to bottom), what is right below the search box?
[ search box ]
[ top bar ]
[ list of items ]
[ Add button ] (a) top bar (b) Add button (c) list of items - 28.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
- 29.True or false: the icon shapes is about UI (the look). (a) True (b) False
- 30.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
-
31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
1. open “Video”
2. open “Help page”
3. tap the Feed tab
4. tap the Settings tab
Which screen are you on now? (a) Video (b) Feed (c) Help page (d) Settings -
32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Menu: 16 px
Hint: 20 px
Caption: 24 px
Footer: 17 px - 33.Which of these is about UI (the look)? (a) how users feel after (b) how many taps it takes (c) how fast a task is done (d) the theme colours
-
34.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
Design A: Home → Shop → Search → Confirm
Design B: Home → Item → Size - 35.💾 Which can hold many values in order? (a) a button (b) a list (c) a switch (d) a single number
- 36.True or false: chat messages to friends fits saving in the cloud. (a) True (b) False
- 37.🔢 In a photo-post flow, which comes FIRST? (a) take the photo (b) post the photo (c) add a filter (d) open the camera screen
-
38.🖼️ In this wireframe (top to bottom), what is right below the title text?
[ top bar ]
[ filter buttons ]
[ title text ]
[ Save button ]
[ tab bar ] (a) filter buttons (b) tab bar (c) top bar (d) Save button - 39.🔍 Which is the odd one out? (a) the button colours (b) the theme colours (c) how many taps it takes (d) the screen layout
-
40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 11 px
Footer: 17 px
Body text: 28 px (a) Footer (b) Body text (c) Title
Answer key
- dark blue on black
- uses the final pictures
- helps everyone
- everyone
- has the real colours
- good design
- tab bar
- see the home screen
- a tab bar
- False
- looks like the real app
- No
- good design
- post the photo
- 3
- so each step is clear
- True
- 4
- title text
- a tab bar
- UI
- 1
- poor design
- fast-flashing lights
- strong colour contrast
- Match report
- top bar
- a menu button
- True
- on the phone
- Settings
- 0
- the theme colours
- 2
- a list
- True
- open the camera screen
- Save button
- how many taps it takes
- Title
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students