CN112596600A - Screen unlocking method and device, storage medium and mobile terminal - Google Patents
Screen unlocking method and device, storage medium and mobile terminal Download PDFInfo
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Abstract
The application discloses a screen unlocking method, a screen unlocking device, a storage medium and a mobile terminal, wherein the screen unlocking method comprises the following steps: when the display screen is in a screen-off state, stopping supplying power to the fingerprint module to close the fingerprint detection function; after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time; judging whether a preset condition to be unlocked is met or not according to the first angular speed; if so, the display screen is lightened and the power supply to the fingerprint module is recovered to start the fingerprint detection function to unlock the screen, so that the problem of extra power consumption caused by the operation of the fingerprint function in the screen-off state can be well solved, and the endurance time of the mobile terminal is prolonged.
Description
Technical Field
The application relates to the technical field of terminals, in particular to a screen unlocking method and device, a storage medium and a mobile terminal.
Background
At present, a mobile terminal generally has an unlocking function, common unlocking modes include fingerprint unlocking and face unlocking, and the fingerprint unlocking function is the most widely applied unlocking mode in the field of terminal unlocking in the prior art due to the consideration of safety and practicability. However, the existing fingerprint unlocking mode has the following problems: after the mobile terminal is turned off, a user can unlock and light the screen by touching the unlocking interface of the mobile terminal, and the realization of the functions requires that the mobile terminal still keeps the operation of the fingerprint function after being turned off, so that the electric quantity of the mobile terminal is excessively consumed, and the cruising ability of the mobile terminal is greatly reduced.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
The embodiment of the application provides a screen unlocking method and device, a storage medium and a mobile terminal, which can better solve the problem of extra power consumption caused by running a fingerprint function in a screen-off state and improve the endurance time of the mobile terminal.
The application example provides a screen unlocking method, which is applied to a mobile terminal, wherein the mobile terminal comprises a display screen and a fingerprint module, and the screen unlocking method comprises the following steps:
when the display screen is in a screen-off state, stopping supplying power to the fingerprint module to close the fingerprint detection function;
after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time;
judging whether a preset condition to be unlocked is met or not according to the first angular speed;
if so, lightening the display screen and recovering power supply to the fingerprint module so as to start the fingerprint detection function to unlock the screen.
The application also provides a screen unlocking device, uses mobile terminal, mobile terminal includes display screen and fingerprint module, screen unlocking device includes:
the stopping unit is used for stopping supplying power to the fingerprint module when the display screen is in a screen-off state so as to close the fingerprint detection function;
the detection unit is used for detecting a first angular speed of the mobile terminal within a first preset time length after the fingerprint detection function is closed;
the judging unit is used for judging whether a preset condition to be unlocked is met or not according to the first angular speed;
and the recovery unit is used for lightening the display screen and recovering power supply to the fingerprint module if the fingerprint module is in the normal state so as to start the fingerprint detection function to unlock the screen.
Wherein, the judging unit specifically comprises:
a calculating subunit, configured to calculate an accumulated angle of the mobile terminal according to the first angular velocity;
and the judging subunit is used for judging whether a preset condition to be unlocked is met or not according to whether the accumulated angle exceeds a preset angle or not.
In the screen unlocking device provided by the present application, further comprising an opening unit for:
after the recovery unit lights the display screen and recovers power supply to the fingerprint module, when the fingerprint detection function is closed again, acquiring a second angular speed of the mobile terminal within a second preset time length, wherein the second preset time length is less than the first preset time length;
and starting the fingerprint detection function to unlock the screen according to the first angular speed and the second angular speed corresponding to the previous target time length in the first preset time length, wherein the target time length is equal to the second preset time length.
In the mobile terminal provided by the application, the mobile terminal further comprises a power management chip, a triode and a gyroscope, wherein a base electrode, a collector electrode and an emitter electrode of the triode are respectively and electrically connected with an interrupt pin of the gyroscope, an output pin of the power management chip and an input pin of the fingerprint module;
the stopping of the power supply to the fingerprint module includes: controlling the interrupt pin to output a low level so as to disconnect the connection between the collector electrode and the emitter electrode of the triode and enable the power management chip to stop supplying power to the fingerprint module, wherein the low level is smaller than the conduction level of the triode;
the lighting the display screen and recovering to supply power to the fingerprint module includes: and controlling the interrupt pin to output a high level so as to conduct the connection between the collector electrode and the emitter electrode of the triode, so that the power management chip recovers to supply power to the fingerprint module, wherein the high level is greater than or equal to the conduction level of the triode.
In the screen unlocking device provided by the present application, further comprising an unlocking unit configured to:
after the display screen is lightened and power supply to the fingerprint module is recovered, acquiring a touch fingerprint input by a user through the display screen;
judging whether the touch fingerprint is matched with prestored fingerprint information or not;
and if so, unlocking the display screen.
The embodiment of the application further provides a mobile terminal, which comprises a processor and a memory, wherein the processor is electrically connected with the memory, the memory is used for storing instructions and data, and the processor is used for executing the steps in any one of the screen unlocking methods.
The application also provides a computer readable storage medium, wherein a plurality of instructions are stored in the storage medium, and the instructions are suitable for being loaded by a processor to execute any one of the screen unlocking methods.
According to the screen unlocking method, the screen unlocking device, the storage medium and the mobile terminal, when the display screen is in the screen-off state, power supply to the fingerprint module is stopped so as to close the fingerprint detection function, and then, after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time length, judging whether a preset condition to be unlocked is met or not according to the first angular speed, if so, then the display screen is lightened and the power supply to the fingerprint module is recovered so as to start the fingerprint detection function to unlock the screen, therefore, the fingerprint detection can be closed when the mobile terminal is turned off, and the recovery of the fingerprint detection is triggered by detecting the first angular speed, so that the fingerprint module is in a normal working state when needing to be unlocked, and when the unlocking is not needed, redundant electric quantity cannot be consumed due to idling, and finally the mobile terminal has longer endurance time.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of a screen unlocking method provided in an embodiment of the present application.
Fig. 2 is an operation schematic diagram of a screen unlocking process provided in the embodiment of the present application.
Fig. 3 is another schematic flow chart diagram of a screen unlocking method according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a screen unlocking device provided in the embodiment of the present application.
Fig. 6 is another schematic structural diagram of the screen unlocking device according to the embodiment of the present application.
Fig. 7 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
Fig. 8 is another schematic structural diagram of a mobile terminal according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a screen unlocking method and device, a storage medium and a mobile terminal.
As shown in fig. 1, fig. 1 is a flowchart of a screen unlocking method provided in an embodiment of the present application, where the screen unlocking method is applied to a mobile terminal, the mobile terminal may be a smart phone, a tablet, and other devices having a fingerprint unlocking function, and the mobile terminal includes a display screen and a fingerprint module, where the fingerprint module may be located at any position of the mobile terminal, such as the display screen, a back frame, a side frame, and the like, and when located on the display screen, may be located below the display screen, and as shown in fig. 2, the fingerprint module may present a touch unlocking area on the display screen. The screen unlocking method comprises the following steps:
and S101, when the display screen is in a screen-off state, stopping supplying power to the fingerprint module so as to close the fingerprint detection function.
As shown in fig. 2, the screen-off state refers to a screen-off state presented by the display screen when the user turns off the screen display function of the mobile terminal, and since the mobile terminal is not powered off at this time, some functional modules in the mobile terminal, such as the positioning function, the bluetooth function, and the central processing unit, still run in the background of the mobile terminal and are not affected by the screen-off state. When this display screen was in the screen state of disappearing, alright stop supplying power to this fingerprint module, also stopped showing the touch unblock area on this moment the display screen, the response function in touch unblock area is in the closed condition, has closed fingerprint detection's function promptly, when this display screen of user's touch, because fingerprint module is in the outage state, can't gather user's fingerprint information, consequently mobile terminal also has not followed the verification fingerprint information, fingerprint analysis recognition function also closes correspondingly.
S102, after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time.
For example, when the display screen is in a screen-off state, that is, after the fingerprint detection function is turned off, a first angular velocity of the mobile terminal within a first preset time period may be detected, and whether the mobile terminal is taken up by the user is determined by detecting the angular velocity, where the first angular velocity is generally an angular velocity in a three-dimensional direction, and may reflect that the mobile terminal is rotated or flipped, for example, when the mobile terminal is in a stationary state, the first angular velocity is 0, and when the mobile terminal is taken up by the user after a first preset time period, the mobile terminal may generate an angular velocity greater than 0, that is, when the user takes up the mobile terminal, the first angular velocity changes, and whether the mobile terminal is taken up may be determined by detecting a change in the first angular velocity.
The first preset time period may be set manually, for example, preferably 2 seconds.
The first preset time duration may be specifically divided into 10 equal time durations, each time duration interval t is 0.2 seconds, such as 0 second to 0.2 second, 0.2 second to 0.4 second, 0.4 second to 0.6 second, and the like, and it is to be noted that the division into the equal time durations is for the convenience of subsequent calculation, and the time duration interval may be adjusted according to an actual situation.
Specifically, the first angular velocity ω of the mobile terminal at 0.2 second can be sequentially obtained through the detection in step S1021First angular velocity ω of the mobile terminal at 0.4 second2First angular velocity ω of the mobile terminal at 0.6 second3First angular velocity ω of the mobile terminal at 0.6 second4Etc., a total of 10 first angular velocities can be obtained, wherein since the interval per one period of time is only 0.2 seconds, all the obtained first angular velocities can be approximated as an average angular velocity within the period of time, for example, the first angular velocity ω of the mobile terminal to be moved at 0.2 seconds1As the average angular velocity in 0-0.2 seconds.
And S103, judging whether a preset unlocking condition is met or not according to the first angular speed.
The preset condition to be unlocked is a derivative condition obtained by the first angular velocity, that is, the condition may be obtained by processing the first angular velocity detected in S102, as shown in fig. 3, and step S103 may specifically include:
and S1031, calculating the accumulated angle of the mobile terminal according to the first angular velocity.
S1032, judging whether the preset unlocking condition is met or not according to whether the accumulated angle exceeds a preset angle or not.
Specifically, in step S1031, the accumulated angle of the mobile terminal may be calculated by all the first angular velocities and the first preset time length obtained in the above steps, for example, when the first preset time length is 2 seconds and is divided into 10 segments and other time lengths, the accumulated angle in the segment time length may be obtained by multiplying the segment time length by the average angular velocity corresponding to the time length, and then the accumulated angles in the segment time length are added to obtain the final accumulated angle of the mobile terminal, that is, the accumulated angle:
θ＝(ω1+ω2+ω3+ω4+ω5+ω6+ω7+ω8+ω9+ω10)·t
as shown in fig. 2, whether the preset condition to be unlocked is met may be determined according to whether the accumulated angle exceeds a preset angle, where the preset angle may be set manually, for example, 30 degrees is preferable, and as shown in fig. 2, when it is determined that the accumulated angle of the mobile terminal is 90 degrees, it is determined that the preset condition to be unlocked is met.
S104, lighting the display screen and recovering power supply to the fingerprint module so as to start the fingerprint detection function to unlock the screen.
Wherein, step S104 specifically refers to: when the preset condition to be unlocked is met, the mobile terminal enables the display screen to be in a bright screen state and restores to supply power to the fingerprint module, so that a touch unlocking area is displayed on the display screen, and the fingerprint module can acquire touch fingerprint information of a user through the touch unlocking area.
For example, after the step "lighting the display and resuming power supply to the fingerprint module" is performed, the method further includes:
when the fingerprint detection function is closed again, acquiring a second angular speed of the mobile terminal within a second preset time length, wherein the second preset time length is less than the first preset time length;
and starting the fingerprint detection function to unlock the screen according to the first angular speed and the second angular speed corresponding to the previous target time length in the first preset time length, wherein the target time length is equal to the second preset time length.
The second preset time period may be set manually, for example, preferably 1 second.
It should be noted that, since the second preset time period is less than the first preset time period, for example, in the step S102, when the first preset time period is preferably 2 seconds, the target time period is 1 second.
After the steps S101-S104 are executed, the mobile terminal is in the state of turning off the screen and turning off the fingerprint detection function again, and the mobile terminal stores the first angular velocity used for determining whether the mobile terminal is taken up last time, for example, the first angular velocity detected in the step S102 is the first angular velocity detected in the previous stepω at 0.2 second within the set time period1First angular velocity ω of the mobile terminal at 0.4 second2First angular velocity ω of the mobile terminal at 0.6 second3Etc. are buffered. When the second angular velocity within the second preset time period is obtained, the second angular velocity needs to be obtained in the manner in S102, for example, when the second preset time period is 1 second, the second angular velocity should be divided into 5 equal time periods, so as to obtain the second angular velocity p of the 0.2 second within the second preset time period1Second angular velocity p of 0.4 second2… second angular velocity p at 1 st second5。
For example, in the step "start the fingerprint detection function to unlock the screen according to the first angular velocity and the second angular velocity corresponding to the previous target duration in the first preset duration", whether the mobile terminal is in the state to be unlocked is determined by comparing the angular velocities, but the duration spent in the step is less than the first preset duration, so that the screen unlocking efficiency is improved, and the step may specifically include:
acquiring a ratio between the first angular speed and the second angular speed corresponding to a previous target time length in the first preset time length;
detecting whether the ratio is greater than a preset threshold value;
and if so, starting the fingerprint detection function to unlock the screen.
Specifically, the purpose of obtaining the ratio is to judge the similarity between two times of unlocking, the specific calculation mode is that the second angular velocity is divided by the first angular velocity, and since the condition of waiting to be unlocked is met last time, if the condition of waiting to be unlocked can be judged by comparing the first angular velocity and the second angular velocity corresponding to the previous target duration in the first preset duration, the judgment duration is reduced from the first preset duration to the second preset duration, so that the screen unlocking efficiency is improved, and the specific operation mode is as follows:
when the second preset time length is 1 second, the ratio k of the 0.2 second in the second preset time length is obtained1＝p1/ω1K is the ratio at 0.4 second2＝p2/ω2…, at 1 st second, isk5＝p5/ω5. And when the corresponding ratio is all larger than the preset threshold value, judging that the situation is the situation to be unlocked, and starting the fingerprint detection function to unlock the screen. And when the corresponding ratios are not all larger than the preset threshold, executing the steps in S1031-S1032, namely taking the second angular velocity obtained in the second preset time length as the first angular velocity obtained in the target time length before the first preset time length, directly detecting in the later target time length to obtain the first angular velocity, still calculating an accumulated angle according to the first angular velocity, and judging whether the preset condition to be unlocked is met according to whether the accumulated angle exceeds the preset angle, so that the original 'detection-to-be-unlocked-unlocking' mechanism is not influenced.
Wherein the preset threshold value can be set manually, such as 0.95 is preferred.
It should be further disclosed that the angular velocity of the mobile terminal when being picked up is related to the usage habit of the user, for example, the user may have different strength for picking up the mobile terminal at the same time every day due to the health condition, if the user needs to take up the mobile terminal to turn off the alarm clock at 7 am, because the force for taking up the mobile terminal changes obviously every day, the angular velocity of the corresponding mobile terminal also changes significantly, so that when the interval time is longer, it is not meaningful to compare the first angular velocity at the last unlocking with the second angular velocity at this time, but the way in which the same user uses the mobile terminal in a short time interval does not change much, the interval duration between the first preset duration and the second preset duration may be artificially set to a short time, such as preferably 5 seconds.
For example, as shown in fig. 4, the mobile terminal applied to the screen unlocking method further includes a power management chip, a triode, and a gyroscope, wherein a base electrode B, a collector electrode C, and an emitter electrode E of the triode are electrically connected to an interrupt pin INT of the gyroscope, an output pin VOUT of the power management chip, and an input pin VIN of the fingerprint module, respectively.
The step S101 may specifically include: and controlling the interrupt pin INT to output a low level so as to disconnect the connection between the collector C and the emitter E of the triode and enable the power management chip to stop supplying power to the fingerprint module, wherein the low level is less than the conduction level of the triode.
The step S104 may specifically include: and controlling an interrupt pin INT of the gyroscope to output a high level so as to conduct the connection between a collector C and an emitter E of the triode, so that the power management chip recovers to supply power to the fingerprint module, and the high level is greater than or equal to the conduction level of the triode.
It should be noted that, in step S101, when the display screen is in the off-screen state, the output pin VOUT of the power management chip is kept in the on state, but the base B of the transistor needs to be set to the low level, that is, the interrupt pin INT is controlled to output the low level, and the transistor operates in the off state, so that the actual input of the fingerprint module is in the voltage-free state, and thus the fingerprint module has no power consumption in the off-screen state. In the step S104, the output pin VOUT of the power management chip still maintains the start state, but the base B of the transistor needs to be set to a high level, that is, the interrupt pin INT is controlled to output a high level, and the transistor operates in a conducting state, so that the actual input of the fingerprint module is in a voltage state, and fingerprint detection can be performed normally.
As shown in fig. 2, after the "lighting the display screen and resuming power supply to the fingerprint module" is performed, the screen unlocking method further includes:
acquiring a touch fingerprint input by a user through the display screen;
judging whether the touch fingerprint is matched with pre-stored fingerprint information or not;
and if so, unlocking the display screen.
The fingerprint information that should prestore can be one or more fingerprint information, and when mobile terminal was in the bright screen state, the user prestores self fingerprint information in fingerprint unblock functional area, also carried out the collection of user touch fingerprint information this moment through this fingerprint module, and the fingerprint information of gathering this moment is direct as unblock fingerprint information. When the display screen is in a state to be unlocked next time, a user inputs a touch fingerprint through the touch display screen, the mobile terminal compares the touch fingerprint with the unlocking fingerprint, and when the similarity of the touch fingerprint and the unlocking fingerprint exceeds a certain percentage, the mobile terminal is unlocked.
From the above, the screen unlocking method provided by the present application is applied to a mobile terminal, when the display screen is in the screen-off state, the power supply to the fingerprint module is stopped to turn off the fingerprint detection function, and then, after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time length, judging whether a preset condition to be unlocked is met or not according to the first angular speed, if so, then the display screen is lightened and the power supply to the fingerprint module is recovered so as to start the fingerprint detection function to unlock the screen, therefore, the fingerprint detection can be closed when the mobile terminal is turned off, and the recovery of the fingerprint detection is triggered by detecting the first angular speed, so that the fingerprint module is in a normal working state when needing to be unlocked, and when the unlocking is not needed, redundant electric quantity cannot be consumed due to idling, and finally the mobile terminal has longer endurance time.
According to the method described in the foregoing embodiment, the embodiment will be further described from the perspective of a screen unlocking device, where the screen unlocking device may be specifically implemented as an independent entity, and may also be integrated in a mobile terminal, and the mobile terminal may be a smart phone, a tablet, or other device having a fingerprint unlocking function.
As shown in fig. 5, fig. 5 specifically describes that the screen unlocking device provided in the embodiment of the present application is applied to a mobile terminal, where the mobile terminal includes a display screen and a fingerprint module, where the fingerprint module is generally located below the display screen, and the screen unlocking device may include: stop unit 10, detection unit 20, judgment unit 30, recovery unit 40, wherein:
(1) stop unit 10
And the stopping unit 10 is used for stopping supplying power to the fingerprint module when the display screen is in a screen-off state so as to close the fingerprint detection function.
As shown in fig. 2, the screen-off state refers to a screen-off state presented by the display screen when the user turns off the screen display function of the mobile terminal, and since the mobile terminal is not powered off at this time, some functional modules in the mobile terminal, such as the positioning function, the bluetooth function, and the central processing unit, still run in the background of the mobile terminal and are not affected by the screen-off state. When this display screen is in the screen state of disappearing, stop unit 10 alright stop to supply power to this fingerprint module, also stop showing the touch unblock area on this display screen this moment, the response function in touch unblock area is in the closed condition, has closed the function that fingerprint detected promptly, when this display screen of user's touch, because fingerprint module is in the outage state, can't gather user's fingerprint information, therefore mobile terminal also can not follow the fingerprint information of verifying, fingerprint analysis recognition function also closes correspondingly.
(2) Detection unit 20
The detecting unit 20 is configured to detect a first angular velocity of the mobile terminal within a first preset time period after the fingerprint detecting function is turned off.
For example, when the display screen is in a screen-off state, that is, after the fingerprint detection function is turned off, a first angular velocity of the mobile terminal within a first preset time period may be detected, and whether the mobile terminal is taken up by the user is determined by detecting the angular velocity, where the first angular velocity is generally an angular velocity in a three-dimensional direction, and may reflect that the mobile terminal is rotated or flipped, for example, when the mobile terminal is in a stationary state, the first angular velocity is 0, and when the mobile terminal is taken up by the user after a first preset time period, the mobile terminal may generate an angular velocity greater than 0, that is, when the user takes up the mobile terminal, the first angular velocity changes, and whether the mobile terminal is taken up may be determined by detecting a change in the first angular velocity.
The first preset time period may be set manually, for example, preferably 2 seconds.
The first preset time duration may be specifically divided into 10 equal time durations, each time duration interval t is 0.2 seconds, such as 0 second to 0.2 second, 0.2 second to 0.4 second, 0.4 second to 0.6 second, and the like, and it is to be noted that the division into the equal time durations is for the convenience of subsequent calculation, and the time duration interval may be adjusted according to an actual situation.
Wherein, the first angular velocity ω of the mobile terminal at 0.2 second can be obtained sequentially through the detection of the detecting unit 201First angular velocity ω of the mobile terminal at 0.4 second2First angular velocity ω of the mobile terminal at 0.6 second3First angular velocity ω of the mobile terminal at 0.6 second4Etc., a total of 10 first angular velocities can be obtained, wherein since the interval per one period of time is only 0.2 seconds, all the obtained first angular velocities can be approximated as an average angular velocity within the period of time, for example, the first angular velocity ω of the mobile terminal to be moved at 0.2 seconds1As the average angular velocity in 0-0.2 seconds.
(3) Determination unit 30
The determining unit 30 is configured to determine whether a preset unlocking condition is satisfied according to the first angular velocity.
The preset condition to be unlocked is a derivative condition obtained by the first angular velocity, that is, the condition may be obtained by processing the first angular velocity detected in the detecting unit 20, as shown in fig. 6, and the determining unit 30 may specifically include:
a calculating subunit 31, configured to calculate an accumulated angle of the mobile terminal according to the first angular velocity.
And the judging subunit 32 is configured to judge whether a preset condition to be unlocked is met according to whether the accumulated angle exceeds a preset angle.
Specifically, the calculating subunit 31 may calculate the accumulated angle of the mobile terminal through all the first angular velocities and the first preset time length obtained by the detecting unit 20, for example, when the first preset time length is 2 seconds and is divided into 10 segments and other time lengths, the accumulated angle in the segment time length may be obtained by multiplying the segment time length by the average angular velocity corresponding to the time length, and then the accumulated angles in the segment time length are added to obtain the final accumulated angle of the mobile terminal, that is, the accumulated angle:
θ＝(ω1+ω2+ω3+ω4+ω5+ω6+ω7+ω8+ω9+ω10)·t
as shown in fig. 2, whether the preset condition to be unlocked is met may be determined according to whether the accumulated angle exceeds a preset angle, where the preset angle may be set manually, for example, 30 degrees is preferable, and as shown in fig. 2, when the accumulated angle of the mobile terminal is detected to be 90 degrees, the determining subunit 32 determines that the preset condition to be unlocked is met.
(4) Recovery unit 40
And the restoring unit 40 is used for lightening the display screen and restoring to supply power to the fingerprint module if the fingerprint module is in the unlocked state so as to start the fingerprint detection function to unlock the screen.
Wherein, the recovery unit 40 is specifically configured to: when the preset condition to be unlocked is met, the mobile terminal enables the display screen to be in a bright screen state and restores to supply power to the fingerprint module, so that a touch unlocking area is displayed on the display screen, and the fingerprint module can acquire touch fingerprint information of a user through the touch unlocking area.
In the screen unlocking device provided in the embodiment of the present application, the device further includes an unlocking unit configured to:
when the fingerprint detection function is closed again, acquiring a second angular speed of the mobile terminal within a second preset time length, wherein the second preset time length is less than the first preset time length;
and starting the fingerprint detection function to unlock the screen according to the first angular speed and the second angular speed corresponding to the previous target time length in the first preset time length, wherein the target time length is equal to the second preset time length.
The second preset time period may be set manually, for example, preferably 1 second.
It should be noted that, since the second preset time period is less than the first preset time period, for example, when the first preset time period is preferably 2 seconds, the target time period is 1 second.
When the mobile terminal is in the state of being turned off and the fingerprint detection function is turned off again, the first angular velocity used for determining whether the mobile terminal is taken up last time is temporarily stored in the mobile terminal, for example, ω when the acquiring unit 31 acquires the 0.2 th second within the first preset time period1First angular velocity ω of the mobile terminal at 0.4 second2First angular velocity ω of the mobile terminal at 0.6 second3Etc. are buffered. When the second angular velocity within the second preset duration is acquired, the second angular velocity needs to be acquired according to the acquisition manner of the acquisition unit 31, for example, when the second preset duration is 1 second, the second angular velocity should be divided into 5 equal duration segments, so as to acquire the second angular velocity p of the 0.2 second within the second preset duration1Second angular velocity p of 0.4 second2… second angular velocity p at 1 st second5。
For example, the opening unit determines whether the mobile terminal is in a state to be unlocked by comparing the angular velocity, but takes a time period shorter than a first preset time period, thereby improving the efficiency of unlocking the screen, and further includes an opening subunit for:
acquiring a ratio between the first angular speed and the second angular speed corresponding to a previous target time length in the first preset time length;
detecting whether the ratio is greater than a preset threshold value;
and if so, starting the fingerprint detection function to unlock the screen.
Specifically, the purpose of obtaining the ratio is to judge the similarity between two times of unlocking, the specific calculation mode is that the second angular velocity is divided by the first angular velocity, and since the condition of waiting to be unlocked is met last time, if the condition of waiting to be unlocked can be judged by comparing the first angular velocity and the second angular velocity corresponding to the previous target duration in the first preset duration, the judgment duration is reduced from the first preset duration to the second preset duration, so that the screen unlocking efficiency is improved, and the specific operation mode is as follows:
when the second preset time length is 1 second, the ratio k of the 0.2 second in the second preset time length is obtained1＝p1/ω1K is the ratio at 0.4 second2＝p2/ω2…, the ratio at 1 st second being k5＝p5/ω5. And when the corresponding ratio is all larger than the preset threshold value, judging that the situation is the situation to be unlocked, and starting the fingerprint detection function to unlock the screen. And when the corresponding ratio is not all larger than the preset threshold, taking a second angular speed obtained in a second preset time length as a first angular speed obtained in a target time length before the first preset time length, directly obtaining the first angular speed in a later target time length, calculating an accumulated angle according to the first angular speed, and judging whether a preset condition to be unlocked is met according to whether the accumulated angle exceeds the preset angle, so that the original 'detection-to-be-unlocked-unlocking' mechanism is not influenced.
Wherein the preset threshold value can be set manually, such as 0.95 is preferred.
It should be further disclosed that the angular velocity of the mobile terminal when being picked up is related to the usage habit of the user, for example, the user may have different strength for picking up the mobile terminal at the same time every day due to the health condition, if the user needs to take up the mobile terminal to turn off the alarm clock at 7 am, because the force for taking up the mobile terminal changes obviously every day, the angular velocity of the corresponding mobile terminal also changes significantly, so that when the interval time is longer, it is not meaningful to compare the first angular velocity at the last unlocking with the second angular velocity at this time, but the way in which the same user uses the mobile terminal in a short time interval does not change much, the interval duration between the first preset duration and the second preset duration may be artificially set to a short time, such as preferably 5 seconds.
For example, as shown in fig. 4, the mobile terminal applied to the screen unlocking device further includes a power management chip, a triode, and a gyroscope, wherein a base electrode B, a collector electrode C, and an emitter electrode E of the triode are electrically connected to an interrupt pin INT of the gyroscope, an output pin VOUT of the power management chip, and an input pin VIN of the fingerprint module, respectively.
The stop unit 10 may be specifically configured to: and controlling the interrupt pin INT to output a low level so as to disconnect the connection between the collector C and the emitter E of the triode and enable the power management chip to stop supplying power to the fingerprint module, wherein the low level is less than the conduction level of the triode.
The recovery unit 40 may specifically be configured to: and controlling an interrupt pin INT of the gyroscope to output a high level so as to conduct the connection between a collector C and an emitter E of the triode and enable the power management chip to recover power supply to the fingerprint module, wherein the high level is greater than or equal to the conduction level of the triode.
It should be noted that, when the stop unit 10 is activated, and the display screen is in the screen-off state, the output pin of the power management chip is kept in the activated state, but the base B of the transistor needs to be set to a low level, that is, the interrupt pin INT is controlled to output a low level, and the transistor operates in the off state, so that the actual input of the fingerprint module is in the voltage-free state, and thus the fingerprint module has no power consumption in the screen-off state. When the recovery unit 40 is started, the output pin VOUT of the power management chip still maintains a start state, but the base B of the transistor needs to be set to a high level, that is, the interrupt pin INT is controlled to output a high level, and the transistor operates in a conducting state, so that the actual input of the fingerprint module is in a voltage state, and fingerprint detection can be performed normally.
In the screen unlocking device provided by the present application, further comprising an unlocking unit configured to:
after the display screen is lightened and power supply to the fingerprint module is recovered, acquiring a touch fingerprint input by a user through the display screen;
judging whether the touch fingerprint is matched with prestored fingerprint information;
and if so, unlocking the display screen.
The fingerprint information that should prestore can be one or more fingerprint information, and when mobile terminal was in the bright screen state, the user prestores self fingerprint information in fingerprint unblock functional area, also carried out the collection of user touch fingerprint information this moment through this fingerprint module, and the fingerprint information of gathering this moment is direct as unblock fingerprint information. When the display screen is in a state to be unlocked next time, a user inputs a touch fingerprint through the touch display screen, the mobile terminal compares the touch fingerprint with the unlocking fingerprint, and when the similarity of the touch fingerprint and the unlocking fingerprint exceeds a certain percentage, the mobile terminal is unlocked.
From the above, the screen unlocking device provided by the present application is applied to a mobile terminal, when the display screen is in the screen-off state, the stopping unit 10 stops supplying power to the fingerprint module to close the fingerprint detection function, and then after the fingerprint detection function is closed, the detecting unit 20 detects the first angular velocity of the mobile terminal in the first preset time period, the judging unit 30 judges whether the preset condition to be unlocked is satisfied according to the first angular velocity, if so, the recovering unit 40 lights the display screen and recovers to supply power to the fingerprint module to unlock the screen by opening the fingerprint detection function, so as to close the fingerprint detection when the mobile terminal is in the screen-off state, and trigger the recovery of the fingerprint detection by detecting the first angular velocity, so that the fingerprint module is in the normal working state when the fingerprint module is needed to be unlocked, and the unnecessary power consumption caused by the idle state is avoided, and finally, the mobile terminal has longer endurance time.
In addition, the embodiment of the application also provides a terminal device, and the terminal device can be a smart phone, a smart vehicle and other devices. As shown in fig. 7, the terminal device 200 includes a processor 201 and a memory 202. The processor 201 is electrically connected to the memory 202.
The processor 201 is a control center of the terminal device 200, connects various parts of the entire terminal device 200 with various interfaces and lines, and performs various functions of the terminal device and processes data by running or loading an application program stored in the memory 202 and calling data stored in the memory 202, thereby performing overall monitoring of the terminal device.
In this embodiment, the processor 201 in the terminal device 200 loads instructions corresponding to processes of one or more application programs into the memory 202 according to the following steps, and the processor 201 runs the application programs stored in the memory 202, thereby implementing various functions:
when the display screen is in a screen-off state, stopping supplying power to the fingerprint module to close the fingerprint detection function;
after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time;
judging whether a preset condition to be unlocked is met or not according to the first angular speed;
if so, lightening the display screen and recovering to supply power to the fingerprint module so as to start the fingerprint detection function to unlock the screen.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by the processor 201. To this end, the embodiment of the present invention provides a storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by the processor 201 to execute the steps in any one of the screen unlocking methods provided by the embodiment of the present invention.
Fig. 8 is a specific block diagram of a terminal device according to an embodiment of the present invention, where the terminal device 300 may be used to implement the screen unlocking method provided in the foregoing embodiment. The terminal device 300 may be a smart phone or a tablet computer.
The RF circuit 310 is used for receiving and transmitting electromagnetic waves, and performing interconversion between the electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices. RF circuitry 310 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. RF circuit 310 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., IEEE802.11a, IEEE802.11 b, IEEE 802.2.access, and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), world wide Internet Microwave Access (Microwave for Wireless Communication), other suitable protocols for short message service (Max), and any other suitable protocols, and may even include those protocols that have not yet been developed.
The memory 320 may be configured to store software programs and modules, such as program instructions/modules corresponding to the automatic light supplement system and method for front-facing camera photographing in the foregoing embodiments, and the processor 380 executes various functional applications and data processing by running the software programs and modules stored in the memory 320, so as to implement the function of automatic light supplement for front-facing camera photographing. The memory 320 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, memory 320 may further include memory located remotely from processor 380, which may be connected to terminal device 300 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 330 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 330 may include a touch-sensitive surface 331 as well as other input devices 332. The touch-sensitive surface 331, also referred to as a touch screen or touch pad, may collect touch operations by a user on or near the touch-sensitive surface 331 (e.g., operations by a user on or near the touch-sensitive surface 331 using a finger, a stylus, or any other suitable object or attachment), and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface 331 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 380, and can receive and execute commands sent by the processor 380. In addition, the touch-sensitive surface 331 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 330 may comprise other input devices 332 in addition to the touch sensitive surface 331. In particular, other input devices 332 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 340 may be used to display information input by or provided to the user and various graphic user interfaces of the terminal apparatus 300, which may be configured by graphics, text, icons, video, and any combination thereof. The Display unit 340 may include a Display panel 341, and optionally, the Display panel 341 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, touch-sensitive surface 331 may overlay display panel 341, and when touch-sensitive surface 331 detects a touch operation thereon or thereabout, communicate to processor 380 to determine the type of touch event, and processor 380 then provides a corresponding visual output on display panel 341 in accordance with the type of touch event. Although in FIG. 8, touch-sensitive surface 331 and display panel 341 are implemented as two separate components for input and output functions, in some embodiments, touch-sensitive surface 331 and display panel 341 may be integrated for input and output functions.
The terminal device 300 may also include at least one sensor 350, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 341 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 341 and/or the backlight when the terminal device 300 is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal device 300, detailed descriptions thereof are omitted.
The terminal device 300 may assist the user in e-mail, web browsing, streaming media access, etc. through the transmission module 370 (e.g., a Wi-Fi module), which provides the user with wireless broadband internet access. Although fig. 8 shows the transmission module 370, it is understood that it does not belong to the essential constitution of the terminal device 300, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 380 is a control center of the terminal device 300, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the terminal device 300 and processes data by running or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory 320, thereby performing overall monitoring of the mobile phone. Optionally, processor 380 may include one or more processing cores; in some embodiments, processor 380 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 380.
Terminal device 300 also includes a power supply 390 (e.g., a battery) for powering the various components, which may be logically coupled to processor 380 via a power management system in some embodiments to manage charging, discharging, and power consumption management functions via the power management system. The power supply 390 may also include any component including one or more of a dc or ac power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
Although not shown, the terminal device 300 may further include a camera (e.g., a front camera, a rear camera), a bluetooth module, and the like, which are not described in detail herein. Specifically, in this embodiment, the display unit of the terminal device is a touch screen display, the terminal device further includes a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the one or more processors, and the one or more programs include instructions for:
when the display screen is in a screen-off state, stopping supplying power to the fingerprint module to close the fingerprint detection function;
after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time;
judging whether a preset condition to be unlocked is met or not according to the first angular speed;
if so, lightening the display screen and recovering to supply power to the fingerprint module so as to start the fingerprint detection function to unlock the screen.
In specific implementation, the above modules may be implemented as independent entities, or may be combined arbitrarily to be implemented as the same or several entities, and specific implementation of the above modules may refer to the foregoing method embodiments, which are not described herein again.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor. To this end, the present invention provides a storage medium, in which a plurality of instructions are stored, where the instructions can be loaded by a processor to execute the steps in any one of the screen unlocking methods provided by the embodiments of the present invention.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium can execute the steps in any screen unlocking method provided by the embodiment of the present invention, the beneficial effects that can be achieved by any screen unlocking method provided by the embodiment of the present invention can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the scope of the appended claims.
Claims (10)
1. A screen unlocking method is applied to a mobile terminal, the mobile terminal comprises a display screen and a fingerprint module, and the screen unlocking method comprises the following steps:
when the display screen is in a screen-off state, stopping supplying power to the fingerprint module to close the fingerprint detection function;
after the fingerprint detection function is closed, detecting a first angular speed of the mobile terminal within a first preset time;
judging whether a preset condition to be unlocked is met or not according to the first angular speed;
if so, lightening the display screen and recovering power supply to the fingerprint module so as to start the fingerprint detection function to unlock the screen.
2. The control method according to claim 1, wherein the determining whether a preset condition to be unlocked is met according to the first angular velocity includes:
calculating an accumulated angle of the mobile terminal according to the first angular velocity;
and judging whether a preset condition to be unlocked is met or not according to whether the accumulated angle exceeds a preset angle or not.
3. The control method according to claim 1, further comprising, after the illuminating the display and resuming power supply to the fingerprint module:
when the fingerprint detection function is closed again, acquiring a second angular speed of the mobile terminal within a second preset time length, wherein the second preset time length is less than the first preset time length;
and starting the fingerprint detection function to unlock the screen according to the first angular speed and the second angular speed corresponding to the previous target time length in the first preset time length, wherein the target time length is equal to the second preset time length.
4. The control method according to claim 1, wherein the mobile terminal further comprises a power management chip, a triode and a gyroscope, wherein a base electrode, a collector electrode and an emitter electrode of the triode are electrically connected with an interrupt pin of the gyroscope, an output pin of the power management chip and an input pin of the fingerprint module respectively;
the stopping of the power supply to the fingerprint module includes: controlling the interrupt pin to output a low level so as to disconnect the connection between the collector electrode and the emitter electrode of the triode and enable the power management chip to stop supplying power to the fingerprint module, wherein the low level is smaller than the conduction level of the triode;
the lighting the display screen and recovering to supply power to the fingerprint module includes: and controlling the interrupt pin to output a high level so as to conduct the connection between the collector electrode and the emitter electrode of the triode, so that the power management chip recovers to supply power to the fingerprint module, wherein the high level is greater than or equal to the conduction level of the triode.
5. The control method of claim 1, further comprising, after illuminating the display and resuming power to the fingerprint module:
acquiring a touch fingerprint input by a user through the display screen;
judging whether the touch fingerprint is matched with prestored fingerprint information or not;
and if so, unlocking the display screen.
6. A screen unlocking device is characterized by being applied to a mobile terminal, wherein the mobile terminal comprises a display screen and a fingerprint module; the screen unlocking device includes:
the stopping unit is used for stopping supplying power to the fingerprint module when the display screen is in a screen-off state so as to close the fingerprint detection function;
the detection unit is used for detecting a first angular speed of the mobile terminal within a first preset time length after the fingerprint detection function is closed;
the judging unit is used for judging whether a preset condition to be unlocked is met or not according to the first angular speed;
and the recovery unit is used for lightening the display screen and recovering power supply to the fingerprint module if the fingerprint module is in the normal state so as to start the fingerprint detection function to unlock the screen.
7. The screen unlocking device according to claim 6, wherein the judgment unit includes:
a calculating subunit, configured to calculate an accumulated angle of the mobile terminal according to the first angular velocity;
and the judging subunit is used for judging whether a preset condition to be unlocked is met or not according to whether the accumulated angle exceeds a preset angle or not.
8. The screen unlocking device according to claim 6, further comprising an opening unit for:
after the recovery unit lights the display screen and recovers power supply to the fingerprint module, when the fingerprint detection function is closed again, acquiring a second angular speed of the mobile terminal within a second preset time length, wherein the second preset time length is less than the first preset time length;
and starting the fingerprint detection function to unlock the screen according to the first angular speed and the second angular speed corresponding to the previous target time length in the first preset time length, wherein the target time length is equal to the second preset time length.
9. A computer-readable storage medium having stored therein a plurality of instructions adapted to be loaded by a processor to perform the screen unlocking method of any one of claims 1 to 5.
10. A mobile terminal, characterized by comprising a processor and a memory, wherein the processor is electrically connected with the memory, the memory is used for storing instructions and data, and the processor is used for executing the steps of the screen unlocking method according to any one of claims 1 to 5.
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| CN108600557A (en) * | 2018-07-13 | 2018-09-28 | 维沃移动通信有限公司 | A kind of screen light on and off control method and mobile terminal |
| CN111198645A (en) * | 2018-11-16 | 2020-05-26 | 中兴通讯股份有限公司 | Control method and device based on touch gestures, terminal and computer storage medium |
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