Touch Operation UI Motion for Intent-Aware Command Execution
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Solution Overview
Problem
In user interfaces with touch panels, unintended behaviors can occur when a movement operation is released before a predetermined operation is executed, leading to undesired outcomes.
Innovation Solution
An information processing device and program that follow and complete a movement operation from an initial to an execution position, and adjust the operation based on a release position, allowing for stopping, restarting, or canceling the operation without user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the operation unit automatically moves to complete the movement operation from initial position to execution position, then the operation can be completed even when released on the way, but unintended behaviors occur when the user releases the movement operation before reaching the execution position
Solution Approach 1:
The system provides visual feedback by displaying the current position of the operation unit and the execution position, allowing the user to understand the operation state. The system also provides auditory feedback through notification sounds to confirm operation completion or cancellation, enabling the user to distinguish between completed and canceled operations.
Solution Approach 2:
The operation unit dynamically adjusts its behavior based on the release position. When released in the first range (before execution position), it automatically moves to cancel the operation. When released in the second range (at or beyond execution position), it completes the operation. This dynamic response prevents unintended behaviors while maintaining reliable operation completion.
2Ease of operation
If the system automatically executes or stops the operation based on release position, then operation behavior is determined without further user input, but the executed behavior may not reflect user intention
Solution Approach 1:
The system performs preliminary actions by automatically moving the operation unit to the execution position when the user releases it in the first range, and automatically canceling the operation. This preliminary automatic action prevents unintended execution while maintaining simple user interaction.
3Reliability
If the operation unit follows the movement operation continuously from initial to execution position, then the operation can be completed reliably, but the system cannot respond flexibly when the user releases the operation on the way
Solution Approach 1:
The operation unit's behavior is dynamically adjusted based on the release position. The system divides the movement path into two ranges: the first range where release triggers automatic movement to cancel, and the second range where release completes the operation. This dynamic response provides both reliable completion and flexible adaptation to user intentions.
Solution Approach 2:
The movement path is segmented into two distinct ranges: the first range (from initial position to before execution position) and the second range (at or beyond execution position). Each range has different automatic responses, allowing the system to handle released operations differently based on position, thereby providing both reliability and flexibility.
Data Source
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AI summary
The image forming device is provided with a CPU. When a user perform the movement operation on the operation unit displayed on a display unit, the CPU cause an operation unit to move so as to follow a movement operation. The CPU execute a predetermined operation after the movement of the operation unit from an initial position to an execution position on the display unit is completed. When the movement operation is released on the way from the initial position to the execution position, the CPU cause the operation unit to be moved toward the initial position or the execution position other than by a user operation according to a position at which the movement operation has been released. The CPU stop the movement of the operation unit in a case in which the user selects a predetermined position of the display unit while the operation unit is moved other than by the user operation.