CN105426096A - Method and device for turning on a flashlight - Google Patents

Abstract

The embodiment of the present invention discloses a method and device for turning on a flashlight, the method comprising: when a terminal is in a standby state, determining whether a gesture for turning on the terminal flashlight acting on a touch screen is detected; when a gesture for turning on the terminal flashlight is detected, determining the state of a terminal side key detection circuit; and determining whether to turn on the terminal flashlight according to the judgment result. The technical solution provided by the embodiment of the present invention is simple and reliable in the way of turning on the terminal flashlight, and can prevent the terminal flashlight from being turned on by mistake.

Description

Method and device for turning on a flashlight

technical field

Embodiments of the present invention relate to the technical field of terminal applications, and in particular, to a method and device for turning on a flashlight.

Background technique

With the development of smart phones, as a basic application, the application of the flashlight function on mobile phones is very common.

However, during use, there is often a phenomenon that the flashlight of the mobile phone is turned on by mistake. When the flashlight of the mobile phone is turned on by mistake, the power consumption of the flashlight is relatively large, which affects the battery life of the mobile phone. Moreover, the mobile phone heats up when the flashlight is turned on, and the user experience is poor.

Contents of the invention

Embodiments of the present invention provide a method and device for turning on a flashlight, so as to prevent a terminal flashlight from being turned on by mistake.

On the one hand, an embodiment of the present invention provides a method for turning on a flashlight, including:

When the terminal is in the standby state, determine whether a gesture acting on the touch screen to turn on the flashlight of the terminal is detected;

When the gesture of turning on the flashlight of the terminal is detected, the state of the side key detection circuit of the terminal is judged;

Determine whether to turn on the terminal flashlight according to the judgment result.

On the other hand, an embodiment of the present invention also provides a device for turning on a flashlight, including:

Turn on the flashlight gesture detection unit, which is used to determine whether the gesture of turning on the terminal flashlight acting on the touch screen is detected when the terminal is in a standby state;

The side key circuit state judging unit is used to judge the state of the terminal side key detection circuit when the gesture of turning on the terminal flashlight is detected;

The terminal flashlight activation unit is configured to determine whether to activate the terminal flashlight according to the judgment result.

In the technical solution provided by the embodiment of the present invention, when the terminal is in the standby state, it is determined whether the gesture of turning on the terminal flashlight acting on the touch screen is detected, and when the gesture of turning on the terminal flashlight acting on the touch screen is detected, the terminal side key detection circuit is judged According to the state of the side key detection circuit, it is determined whether to turn on the terminal flashlight, and the double judgment of the touch gesture and the side key circuit state is used to determine whether to turn on the terminal flashlight, which can enable the user to turn on the terminal flashlight conveniently and quickly, and can also prevent Mistakenly trigger to turn on the terminal flashlight when the flashlight function is not needed.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic flowchart of a method for turning on a flashlight provided by Embodiment 1 of the present invention;

Fig. 2A is a schematic flowchart of a method for turning on a flashlight provided by Embodiment 2 of the present invention;

FIG. 2B is a schematic structural diagram of a terminal side key detection circuit provided in Embodiment 2 of the present invention;

FIG. 2C is a schematic structural diagram of a terminal side key detection circuit provided in Embodiment 2 of the present invention;

Fig. 3 is a schematic structural diagram of a device for turning on a flashlight provided by Embodiment 3 of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through implementation with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment one

FIG. 1 is a schematic flowchart of a method for turning on a flashlight provided by Embodiment 1 of the present invention. The method can be executed by a device configured in the terminal for turning on the flashlight, and the device can be implemented by software and/or hardware. As shown in Figure 1, the method for turning on the flashlight provided by this embodiment specifically includes the following steps:

S110. When the terminal is in the standby state, determine whether a gesture acting on the touch screen to turn on the flashlight of the terminal is detected;

When the terminal is in the standby state, the screen of the terminal is in a black state. When the user needs to turn on the flashlight of the terminal, he can enter the corresponding gesture on the touch screen of the terminal to turn on the flashlight of the terminal when the screen of the terminal is black, such as swiping on the touch screen of the terminal A gesture "V" to turn on the terminal flashlight. When the terminal is in the standby state, it detects whether the gesture acting on the touch screen matches the gesture to turn on the flashlight set in the terminal, that is, judges whether the matching degree of the two reaches the set threshold, and when the matching degree of the two reaches the set threshold, then determine A gesture to turn on the terminal's flashlight was detected.

Further, before determining whether the gesture of turning on the flashlight of the terminal acting on the touch screen is detected when the terminal is in the standby state, the gesture of turning on the flashlight of the terminal in the standby state of the terminal is set.

The gesture that acts on the touch screen to turn on the flashlight of the terminal in the standby state of the terminal can be set in advance. For example, a series of gestures for turning on the flashlight of the terminal are set in the terminal, and the user selects one or more gestures to set as the gesture of turning on the flashlight of the terminal; in addition, the user can also input the gesture of turning on the flashlight of the terminal that the user is used to on the terminal interface, and then The terminal processes and stores the gesture as a gesture to turn on the flashlight of the terminal.

S120. When the gesture of turning on the flashlight of the terminal is detected, determine the state of the side key detection circuit of the terminal;

When the gesture of turning on the flashlight of the terminal is detected, it is judged whether the state of the terminal detection circuit has changed. When the terminal is on standby, if the terminal side key is not pressed, the terminal detection circuit can be set in a default circuit state. When the terminal side is pressed When the key is pressed, the state of the key detection circuit on the terminal side will change. When the gesture of turning on the flashlight of the terminal is detected, it can be judged whether the state of the key detection circuit on the terminal side has changed. At this point, the user can use the following operation to turn on the flashlight of the terminal: when pressing the side key of the terminal, input a gesture of turning on the flashlight on the terminal.

In order to improve the user experience, the user can draw the gesture to turn on the flashlight of the terminal on the touch screen of the terminal, and then press the side button of the terminal, so that the user can conveniently turn on the flashlight of the terminal with one hand. Therefore, it is possible to detect and determine whether the state of the terminal side key detection circuit has changed within a set period of time after the gesture of turning on the flashlight of the terminal is detected. Wherein, the set time can be set according to the user's operating habit.

Further, the side keys include: terminal volume keys or camera function keys. Other similar side keys may also be used, and the side keys used are generally keys whose corresponding functions are disabled when the terminal is in a standby state.

S130. Determine whether to turn on the flashlight of the terminal according to the judgment result.

When the gesture of turning on the terminal flashlight is detected, the state of the terminal side key detection circuit also changes, and it can be determined that the user has pressed the terminal when inputting the gesture of turning on the terminal or within a set time after inputting the gesture of turning on the terminal Press the side button to turn on the terminal flashlight.

In the technical solution provided by this embodiment, first, the gesture of turning on the terminal flashlight is set when the terminal is in the standby state, and when the terminal is in the standby state, it is determined whether the gesture of turning on the terminal flashlight acting on the touch screen is detected. When the gesture of the terminal flashlight is performed, it is judged whether the state of the side key detection circuit changes, and whether the terminal flashlight is turned on is determined according to the state change of the side key detection circuit, and whether the terminal flashlight is turned on is determined by double judgment of the touch gesture plus the state change of the side key circuit , the user does not need to turn on the terminal flashlight after waking up the standby state and entering the corresponding function interface. The user can turn on the terminal flashlight conveniently and quickly, and it can also prevent the terminal flashlight from being accidentally triggered when the flashlight function is not needed.

Embodiment two

FIG. 2A is a schematic flowchart of a method for turning on a flashlight provided by Embodiment 2 of the present invention. This embodiment is an optimization of the foregoing embodiments. As shown in Figure 2A, the method for turning on the flashlight provided by this embodiment specifically includes the following steps:

S210. When the terminal is in the standby state, set the terminal side key detection circuit to be pulled up to a high level state;

S220. When the terminal is in the standby state, determine whether a gesture acting on the touch screen to turn on the flashlight of the terminal is detected;

FIG. 2B is a schematic structural diagram of a terminal side key detection circuit provided by Embodiment 2 of the present invention. When the terminal is in the standby state, the functions of the side keys of the terminal are disabled, and the corresponding functions of the side keys are enabled only after the terminal wakes up from the standby state. When the terminal is in the standby state, the state changes of the side key detection circuit of the terminal will not change. Make the corresponding function of the side key be executed. For example, when the terminal is in the standby state, the function of the volume key of the terminal is disabled, that is, when the volume up key or the volume down key is pressed, the system does not perform the operation of increasing or decreasing the volume. Therefore, as shown in FIG. 2B, when the terminal is in the standby state, a power supply signal Vdd can be applied to the side key detection circuit. When the terminal side key 20 is not pressed, the circuit output Vout is pulled up to a high level state. The size can be set according to the power supply in the end system.

S230. When the gesture of turning on the terminal flashlight is detected, determine whether the terminal side key detection circuit is in a pull-down low level state;

As shown in FIG. 2B , when the key 20 on the terminal side is pressed, the level of the output terminal Vout will be changed from a high level to a low level, that is, it will be pulled down to a low level. When the gesture of turning on the flashlight of the terminal is detected, it is judged whether the detection circuit of the terminal side key is in the pull-down low level, that is, it is judged whether the terminal side key is enabled to be pressed.

S240. Turn on the terminal flashlight when the terminal side key detection circuit is in a pull-down low state.

In addition, the terminal side key detection circuit can also be as shown in Figure 2C. When the terminal is in the standby state, the terminal side key detection circuit is in a pull-down low level state, and the output Vout of the terminal side key detection circuit is low. When the terminal When the side key 21 is pressed, the output Vout of the side key detection circuit is a high level. Under such a circuit, when a gesture of turning on the terminal flashlight is detected, it is judged whether the terminal side key detection circuit is in a state of pulling up a high level. When it is detected that the side key detection circuit is pulled up to a high level, the terminal flashlight is turned on.

In the technical solution provided by this embodiment, when the terminal is in the standby state, the terminal side key detection circuit is set to pull up the high level state, and when the gesture of turning on the terminal flashlight is detected, it is judged whether the terminal side key detection circuit is In the pull-down low level state, by setting the status of the side key detection circuit of the terminal in the standby state, detect the change of the state of the side key detection circuit, and judge whether the user has pressed the side key of the terminal, according to the gesture of turning on the terminal flashlight and the state of the side key circuit Turn on the terminal flashlight to prevent false triggering to turn on the terminal flashlight.

Embodiment three

Fig. 3 is a schematic structural diagram of a device for turning on a flashlight provided by Embodiment 3 of the present invention. As shown in Figure 3, the device includes:

Turn on the flashlight gesture detection unit 310, which is used to determine whether the gesture of turning on the flashlight of the terminal acting on the touch screen is detected when the terminal is in the standby state;

The side key circuit state judging unit 320 is used to judge the state of the terminal side key detection circuit when a gesture of turning on the terminal flashlight is detected;

The terminal flashlight enabling unit 330 is configured to determine whether to enable the terminal flashlight according to the determination result.

Further, the described device also includes:

The gesture setting unit 340 for turning on the flashlight is configured to set a gesture for turning on the flashlight of the terminal in the standby state of the terminal.

Further, the described device also includes:

The side key detection circuit setting unit 350 is configured to set the side key detection circuit of the terminal to pull up a high level state when the terminal is in a standby state.

Further, the side key circuit state judging unit 320 includes:

The pull-down low-level judging subunit 321 is used to determine whether the terminal side key detection circuit is in the pull-down low-level state when a gesture of turning on the terminal flashlight is detected;

The terminal flashlight opening unit 330 is specifically used for:

When the terminal side key detection circuit is in the state of pulling down the low level, the terminal flashlight is turned on.

Further, the terminal side keys include:

Terminal volume key or camera function key.

The above-mentioned device can execute the method for turning on the flashlight provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (10)

1. open a method for electric torch, it is characterized in that, comprising:

When terminal is in holding state, determine whether to detect the gesture of the unlatching terminal electric torch acting on touch-screen;

When the gesture of opening terminal electric torch being detected, judge the state of end side key detection circuit;

Determine whether to open terminal electric torch according to described judged result.

2. method according to claim 1, is characterized in that, described be in holding state in terminal time, before determining whether to detect the gesture of unlatching terminal electric torch acting on touch-screen, also comprise:

The gesture of terminal electric torch is opened under being arranged on terminal standby state.

3. method according to claim 1, is characterized in that, described when terminal is in holding state, also comprises:

Arranging described end side key detection circuit is pull-up high level state.

4. method according to claim 3, is characterized in that, described when the gesture of opening terminal electric torch being detected, judges the state of end side key detection circuit, comprising:

When the gesture of opening terminal electric torch being detected, judge whether described end side key detection circuit is in drop-down low level state;

Describedly determine whether to open terminal electric torch according to described judged result, comprising:

When described end side key detection circuit is in drop-down low level state, open terminal electric torch.

5., according to described method arbitrary in claim 1-4, it is characterized in that, described terminal side switch comprises:

Terminal volume key or camera function key.

6. open a device for electric torch, it is characterized in that, comprising:

Open electric torch gestures detection unit, for when terminal is in holding state, determine whether to detect the gesture of the unlatching terminal electric torch acting on touch-screen;

Side switch circuit state judging unit, for when the gesture of opening terminal electric torch being detected, judges the state of end side key detection circuit;

Unit opened by terminal electric torch, opens terminal electric torch for determining whether according to described judged result.

7. device according to claim 6, is characterized in that, also comprises:

Open electric torch gesture setting unit, for opening the gesture of terminal electric torch under being arranged on terminal standby state.

8. device according to claim 6, is characterized in that, also comprises:

Side switch testing circuit setting unit, for when terminal is in holding state, arranging described end side key detection circuit is pull-up high level state.

9. device according to claim 8, is characterized in that, described side switch circuit state judging unit comprises:

Drop-down low level judgment sub-unit, for when the gesture of opening terminal electric torch being detected, judges whether described end side key detection circuit is in drop-down low level state;

Described terminal electric torch open unit specifically for:

When described end side key detection circuit is in drop-down low level state, open terminal electric torch.

10., according to described device arbitrary in claim 6-9, it is characterized in that, described terminal side switch comprises:

Terminal volume key or camera function key.