Quick Dialing Icon on Locked Screen via Prolonged Press
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Solution Overview
Problem
Current communication devices require users to manually open a contact list and select a contact before making a call, which is inefficient and time-consuming, especially when frequently dialing the same contacts.
Innovation Solution
A quick dialing system is implemented in communication devices, featuring a predetermination module to display a dialing icon outside the unlocking area, a designation module to preselect quick contacts, a detection module to identify prolonged icon presses, and a dialing module to automatically initiate calls to selected contacts upon detection of the predetermined action.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a user manually opens a contact list and selects a contact before making a call, then the call can be made to the correct contact, but the process is inefficient and time-consuming
Solution Approach 1:
The system pre-assigns specific contacts to dedicated shortcut keys on the keypad. When the device is locked, pressing a shortcut key directly dials the pre-assigned contact without requiring the user to open the contact list or perform selection actions. This preliminary assignment of contacts to keys enables instant dialing, resolving the contradiction between dialing speed and time consumption.
2Ease of operation
If shortcut keys are made accessible on the locked screen, then quick dialing is enabled, but the risk of accidental activation increases
Solution Approach 1:
The system dynamically changes the activation threshold of shortcut keys based on the device state. When the screen is locked, a prolonged press duration (exceeding a predetermined threshold) is required to activate the shortcut key. When the screen is unlocked, the normal press duration applies. This dynamic adjustment maintains ease of operation for legitimate users while preventing accidental activation during locked state, resolving the contradiction between accessibility and safety.
3Ease of operation
If the dialing icon is placed within the unlocking area, then it is easily accessible, but it occupies screen real estate needed for unlocking functionality
Solution Approach 1:
The system moves the shortcut key activation from the traditional touchscreen tapping dimension to a temporal dimension by requiring prolonged press duration. The dialing icon is positioned in the status bar area, and activation occurs through time-based interaction (holding the key for more than the predetermined duration) rather than spatial clicking. This dimensional shift allows the icon to be accessible without occupying critical unlocking screen real estate, resolving the contradiction between accessibility and layout complexity.
Data Source
AI summary
A quick dialing method executable on a communication device includes detecting an action by a user on a touch screen of the communication device; dialing a selected quick contact when the detected action is a preselected triggering action.