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Transaction Panel Design

Transaction Panel Design

Transaction Panel Design

Seamless transactions at your fingertips with a thoughtful menu design

Seamless transactions at your fingertips with a thoughtful menu design

Project Background

Project Background

Project Background

To improve one-handed use, core actions (transfer, pay, scan) were moved to a bottom panel. A three-stage expansion was introduced to help users quickly access features and streamline interaction.

To improve one-handed use, core actions (transfer, pay, scan) were moved to a bottom panel. A three-stage expansion was introduced to help users quickly access features and streamline interaction.

Problem

Problem

Problem

Usability & Onboarding

Usability & Onboarding

How can we help users quickly understand and adapt to the new panel?

How can we help users quickly understand and adapt to the new panel?

How can the panel support diverse payment scenarios to improve efficiency?

How can the panel support diverse payment scenarios to improve efficiency?

Constraints & Challenges

Constraints & Challenges

Constraints & Challenges

Interaction Logic

Interaction Logic

Defining clear expansion behavior across different usage contexts

Defining clear expansion behavior across different usage contexts

Visual Consistency

Visual Consistency

Making the panel stand out while maintaining home screen balance and brand coherence

Making the panel stand out while maintaining home screen balance and brand coherence

Before

After

After

After

Design Goals

Design Goals

Design Goals

User Need

User Need

User Need

How might we

How might we

design an intuitive, user-friendly panel that allows users to complete transactions quickly?

design an intuitive, user-friendly panel that allows users to complete transactions quickly?

Business Goal

Business Goal

Business Goal

How might we

How might we

create a flexible, brand-consistent panel that guides users and supports future expansions?

create a flexible, brand-consistent panel that guides users and supports future expansions?

Design Process

Design Process

Design Process

Desktop research

Desktop research

Before design, I researched LinePay’s interaction model to leverage familiar patterns:

Before design, I researched LinePay’s interaction model to leverage familiar patterns:

Interaction Behavior

Interaction Behavior

Adopted swipe-to-expand/collapse to reduce learning curve

Adopted swipe-to-expand/collapse to reduce learning curve

Motion Details

Motion Details

Implemented dual triggers (swipe & tap) with improved error tolerance and rebound, enhancing intuitiveness and stability

Implemented dual triggers (swipe & tap) with improved error tolerance and rebound, enhancing intuitiveness and stability

UX Interaction Design

UX Interaction Design

Integrated the barcode feature using a familiar swipe-to-expand pattern

Integrated the barcode feature using a familiar swipe-to-expand pattern

Defined a three-stage panel height system to support flexible usage scenarios

Defined a three-stage panel height system to support flexible usage scenarios

UI Visual Design

UI Visual Design

Used the brand’s primary red to highlight the panel on the home screen

Used the brand’s primary red to highlight the panel on the home screen

Applied gradient styling to align with the 8-icon grid for visual consistency

Applied gradient styling to align with the 8-icon grid for visual consistency

Usability Testing

Usability Testing

To validate whether the new Transaction Panel improves efficiency and intuitiveness, I designed task-based tests to observe user behavior in real scenarios

To validate whether the new Transaction Panel improves efficiency and intuitiveness, I designed task-based tests to observe user behavior in real scenarios

1

1

Transaction Discoverability

Transaction Discoverability

Find and complete a transfer from the home screen

Find and complete a transfer from the home screen

2

2

Event-Driven Payment

Event-Driven Payment

Locate the "Member Day" promotion and complete a payment

Locate the "Member Day" promotion and complete a payment

3

3

Barcode Usability

Barcode Usability

Access and present the mobile barcode from the home screen

Access and present the mobile barcode from the home screen

Testing Method

Testing Method

Method

Method

Task-based usability testing

Task-based usability testing

Interviewers

Interviewers

5 people

5 people

Evaluation Metrics

Evaluation Metrics

Task completion success

Task completion success

Smoothness of interaction; any confusion or navigation issues

Smoothness of interaction; any confusion or navigation issues

Key Insights

Key Insights

High Discoverability of Key Functions

High Discoverability of Key Functions

All participants can quickly identify key actions upon landing on the home screen.

All participants can quickly identify key actions upon landing on the home screen.

Smooth panel interaction

Smooth panel interaction

Users found the auto-collapse on scroll helpful for a cleaner, more focused experience.

Users found the auto-collapse on scroll helpful for a cleaner, more focused experience.

Barcode feature lacked visibility

Barcode feature lacked visibility

60% of users failed to find the barcode feature due to unawareness of the swipe-up panel interaction.

60% of users failed to find the barcode feature due to unawareness of the swipe-up panel interaction.

Lack of clear swipe-up cues and interaction guidance.

Lack of clear swipe-up cues and interaction guidance.

Enhanced Onboarding Design

Enhanced Onboarding Design

Enhanced Onboarding Design

Onboarding Design

Onboarding Design

To help users locate the mobile barcode feature and understand the updated home layout, I designed an onboarding flow triggered on first launch. This aimed to improve first-time experience and highlight key functions.

To help users locate the mobile barcode feature and understand the updated home layout, I designed an onboarding flow triggered on first launch. This aimed to improve first-time experience and highlight key functions.

The walkthrough used masking, swipe gestures, and visual markers to guide user focus and reinforce interaction logic.

The walkthrough used masking, swipe gestures, and visual markers to guide user focus and reinforce interaction logic.

Design Documents

Design Documents

Design Documents

Documented component behavior, interactions, and animations to align design with development and ensure high-quality implementation

Documented component behavior, interactions, and animations to align design with development and ensure high-quality implementation

Learnings & Reflections

Learnings & Reflections

Learnings & Reflections

Technical Collaboration & Implementation

Technical Collaboration & Implementation

Worked closely with engineers to define interaction logic and ensure feasibility of the three-stage panel behavior across iOS and Android platforms.

Worked closely with engineers to define interaction logic and ensure feasibility of the three-stage panel behavior across iOS and Android platforms.

UX Strategy & Guidance

UX Strategy & Guidance

Some features weren’t instantly intuitive, requiring strategic onboarding and visual cues to help users discover, understand, and appreciate their value.

Some features weren’t instantly intuitive, requiring strategic onboarding and visual cues to help users discover, understand, and appreciate their value.

LET’S

( WORK )

TOGETHER

If you like my work,
feel free to contact me!

Jenny Wu ⓒ 2025

Jenny Wu ⓒ 2025

LET’S

( WORK )

TOGETHER

If you like my work,
feel free to contact me!

LET’S

( WORK )

TOGETHER

If you like my work,
feel free to contact me!

Jenny Wu ⓒ 2025

LET’S

( WORK )

TOGETHER

If you like my work,
feel free to contact me!

Jenny Wu ⓒ 2025

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