Portable Terminal Item Selection Range Method
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Solution Overview
Problem
Conventional methods for selecting multiple items on portable terminals, such as smartphones, are inefficient when dealing with large numbers of items, requiring individual selection and lacking clear confirmation of selected files, especially when scrolling through lists or grids.
Innovation Solution
A method and apparatus that allows for rapid selection and cancellation of items by designating a start and end item, with selected items displayed in a fixed region and an indicator showing the number of selected items, even when scrolling, to prevent items from leaving the screen and reduce information display when the selection region exceeds a threshold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If individual items are selected one by one from a list, then each item can be precisely selected, but the time and operations required increase significantly when dealing with large numbers of items
Solution Approach 1:
The patent segments the selection process into two parts: (1) defining a selection range through start and end item designation, and (2) automatically selecting all items within that range. This segmentation transforms the traditional item-by-item selection into a range-based selection, dramatically reducing the number of operations required while maintaining precise control over which items are selected.
Solution Approach 2:
The patent implements preliminary action by allowing users to set a start item and end item before the actual selection occurs. The system then automatically determines all items within this predefined range and selects them collectively. This preliminary range definition eliminates the need for sequential individual selection, significantly reducing selection time while preserving selection accuracy.
2Productivity
If all list items are selected at once through overall selection option, then selection speed is improved, but the ability to select specific subsets of items is lost
Solution Approach 1:
The patent applies dynamics by making the selection range adjustable and flexible. Instead of a fixed all-or-nothing selection, the system allows users to dynamically define the start and end items based on their specific needs. This dynamic range selection maintains the efficiency of bulk selection while providing the flexibility to select only the necessary subset of items.
Solution Approach 2:
The patent changes the selection parameter from binary (selected/not selected) to range-based (start item to end item). By introducing start and end item parameters, the system enables efficient bulk selection of specific subsets, combining the speed of overall selection with the precision of individual item selection capabilities.
3Adaptability or versatility
If many items are selected in a scrollable list, then comprehensive selection capability is achieved, but users cannot confirm which items are selected or how many have been selected
Solution Approach 1:
The patent implements feedback mechanisms that continuously inform users about their selection status. The system displays the number of selected items and provides visual indicators showing which items are currently selected. This feedback loop maintains user awareness of the selection state even when scrolling through large lists, preventing information loss and enabling informed selection decisions.
Solution Approach 2:
The patent adds a new dimension to item display by incorporating selection status indicators alongside the item information. This dimensional enhancement allows users to simultaneously view item details and selection state without losing information, solving the problem of confirming selected items in scrollable lists with many selections.
4Reliability
If a fixed region displays selected items during scrolling, then selection visibility is maintained, but screen space for other content is reduced
Solution Approach 1:
The patent applies the nesting principle by integrating the selected items display within the existing list structure. Instead of creating a separate external display area, the system embeds selection indicators and counts directly within the list view, allowing selected items information to be nested within the main content area without requiring additional screen space.
Data Source
AI summary
An item selection method and an item selection apparatus of a portable terminal are provided. The item selection method in the portable terminal includes displaying one or more items in an arrangement according to a prescribed rule; receiving a start item setting input that sets a first item as a start item; receiving an end item setting input that sets a second item as an end item; and setting items included between the first item and the second item as selected items.