Screen-Off App Launch Using On-Demand Proximity Sensing
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Solution Overview
Problem
Current terminal devices face high power consumption due to continuous operation of proximity sensors to prevent accidental operations when in standby mode, which increases battery drain and reduces device efficiency.
Innovation Solution
Implement a method where the proximity sensor is started only when a touch operation is detected on the screen-off terminal device, and it checks for occlusions within a preset distance to determine if the operation is intentional, allowing the application launch only if no occlusion is detected, thereby reducing unnecessary sensor activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the proximity sensor operates continuously to prevent accidental operations, then the reliability of operation detection is improved, but the power consumption increases
Solution Approach 1:
The proximity sensor operates periodically rather than continuously. It is activated only at specific moments (when touch operations occur) and remains dormant otherwise, converting continuous operation into periodic action to reduce power consumption while maintaining detection reliability when needed
2Measurement precision
If the proximity sensor is activated frequently to detect occlusions, then the accuracy of accidental operation prevention is improved, but the device efficiency deteriorates
Solution Approach 1:
The system performs preliminary judgment of touch operations to determine whether proximity sensor activation is necessary. By pre-assessing the touch operation characteristics before activating the sensor, the system avoids unnecessary sensor activation and improves device efficiency while maintaining accurate occlusion detection when truly needed
3Reliability
If the proximity sensor operates in standby mode to prevent accidental operations, then the safety of operation is improved, but the battery life reduces
Solution Approach 1:
The proximity sensor transitions from a static standby mode to a dynamic state where it activates only when needed (upon touch detection) and remains dormant otherwise. This dynamic operation mode maintains operation safety through timely detection while significantly extending battery life by eliminating continuous power consumption
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach reduces power consumption by minimizing unnecessary proximity sensor operation and allows for quick application launch without accidental operation-related power waste, enhancing device efficiency and user experience.
Implementation Method 1
Detect, with the proximity sensor, existence of an occlusion within a preset distance in front of the touch display screen
Data Source
AI summary
A method for launching an application and a mobile terminal are provided. The method includes the following operations. Whether a touch operation of a user received on a touch display screen of a mobile terminal belongs to a touch operation set in a mapping relationship with an application set of the mobile terminal is judged, in response to the touch operation being detected when the touch display screen is in a screen-off mode. A proximity sensor in an off-state or a dormant-state is started based on a judgment that the touch operation belongs to the touch operation set. Existence of an occlusion within a preset distance in front of the touch display screen is detected with the proximity sensor. An application corresponding to the touch operation is launched when no occlusion exists.