TWI540497B - Electronic device, computer program product and method for unlocking screen and thereof - Google Patents

Description

Electronic device, computer program product and method for unlocking the screen

The present invention relates to an electronic device and a method for unlocking the same, and particularly relates to a method for unlocking a touch screen by using a touch screen to display a related interface and inputting a corresponding input behavior, and applying the method Screen-locked electronics.

In order to cope with the busy life pace of modern people, all kinds of portable electronic devices that do not occupy space and are convenient to carry are also innovated. Take the Personal Digital Assistant (PDA) mobile phone as an example. It not only has the functions of the traditional communication device, but also allows users to write files, send and receive emails, and browse through its built-in window operating system. Internet or use instant messaging software. For modern people who are efficient in everything, such devices have become one of the indispensable tools in life.

However, for a portable electronic device that requires a light, thin, short, and small form factor, its own size is quite limited. If the screen and the keyboard are to be simultaneously configured on the electronic device, it is necessary to reduce the size of the screen. In order to be able to configure a larger screen in a limited space, a touch screen has recently been developed, which integrates the keyboard into the screen as an input interface of the portable electronic device, thereby eliminating the need to configure a conventional keyboard. Cost and area occupied.

The touch screen operates in a simple, intuitive way compared to traditional keyboard input. However, the touch screen is very sensitive to external touch actions, and the user may inadvertently touch the screen button on the touch screen to force the electronic device to perform the function of the screen button. Therefore, the electronic device needs to have a screen lock state to prevent the touch screen from being accidentally touched by the user.

In view of the above, the present invention provides an electronic device, a computer program product, and a method for unlocking the screen to overcome the aforementioned problems.

A method for unlocking a screen according to an embodiment of the present invention is applicable to an electronic device. The electronic device has a touch screen, the method includes the following steps: detecting an object contacting one of the movable icons on the touch screen; and detecting the object after the object is thrown out The movable icon moves along one of the throwing directions; calculates a moving path of the movable icon by the throwing direction and the moving speed of the moving; and determines whether the movable icon touches when moving along the moving path Touching the edge of the touch screen for a predetermined number of times or more; and releasing the screen lock state of the electronic device when the movable icon touches the edge of the touch screen for the predetermined number of times or more

An electronic device according to an embodiment of the invention. The electronic device includes a touch screen, a detecting unit and a processing unit. The detecting unit is coupled to the touch screen to detect an object contacting one of the movable icons on the touch screen, and detecting the movable icon edge after the object throws the movable icon One of the throwing directions moves. The processing unit is coupled to the touch screen and the detecting unit, and calculates a moving path of the movable icon by the throwing direction and the moving speed of the moving, and determines that the movable icon is along the moving path Whether the edge of the screen of the touch screen is touched for a predetermined number of times or more when moving, and when the movable icon touches the edge of the screen of the touch screen for more than the predetermined number of times, the processing unit releases the screen lock state.

A computer program product for performing the above-mentioned method for unlocking a screen, the computer program product is basically composed of a plurality of code segments (for example, creating an organization chart code segment, a sign form) The code segment, the setting code segment, and the deployment code segment are arranged, and after the code segment is loaded into the mobile electronic device and executed, the method for unlocking the screen and the releasing the screen locking device are completed. The function.

In order to make the objects, features, and advantages of the present invention more comprehensible, the preferred embodiments of the invention are described in detail in the accompanying drawings. FIG. The present specification provides various embodiments to illustrate the technical features of various embodiments of the present invention. The arrangement of the various elements in the embodiments is for illustrative purposes and is not intended to limit the invention. The overlapping portions of the drawings in the embodiments are for the purpose of simplifying the description and are not intended to be related to the different embodiments.

1 is a schematic diagram showing an electronic device 100 in accordance with an embodiment of the present invention. The electronic device 100 according to the embodiment of the present invention may be a personal computer and a portable device, such as a Personal Digital Assistant (PDA), a smart phone, a mobile phone, a Mobile Internet Device (MID), or Handheld device such as a mini notebook (Netbook).

2 is a block diagram showing the system of an electronic device 100 according to an embodiment of the present invention. Please refer to FIG. The electronic device 100 includes at least one touch screen 110, a detecting unit 120, and a processing unit 130. It should be noted that the touch screen 110 is a screen combined with a touch sensing device (not shown). The touch sensing device has a touch surface including at least one dimensional sensor for detecting contact and movement of an input tool such as a finger or a stylus on its surface. The touch screen 110 can display related materials, and/or related icons and interfaces, and the like. In addition, the touch screen 110 can also receive input from the corresponding user and transmit the relevant input to the detecting unit 120 and the processing unit 130 for subsequent processing. The detecting unit 120 and the processing unit 130 are used to perform the method for unlocking the screen of the electronic device of the present invention, the details of which will be described later.

Figure 3 is a flow chart showing a method of unlocking a screen in accordance with an embodiment of the present invention. The method for unlocking the screen according to the embodiment of the present invention can be applied to an electronic device such as a personal computer and a portable device, such as a personal digital assistant, a smart phone, a mobile phone, a mobile internet device, or a mini notebook computer. Handheld device. It is noted that in this embodiment, the electronic device has a touch screen.

First, in step S301, an object (such as a finger) is detected to be in contact with one of the movable icons on the touch screen. It is to be noted that, in this embodiment, the movable icon can be anywhere in the touch screen, and does not define a specific area. After the object is thrown out of the movable icon, in step S302, the movable icon is detected to move along one of the throwing directions, and the moving direction and the collision detecting are performed by the throwing direction and the moving direction. , a rebound path calculation, a deceleration calculation, and the like to calculate a movement path of one of the movable icons. It is worth noting that the object can throw the movable icon in any direction without limiting its direction of throwing. Next, in step S303, it is determined whether the movable icon touches the edge of the screen of the touch screen for a predetermined number of times or more when moving along the moving path. It should be noted that in some embodiments, this predetermined number of times is used to determine whether an unlocking operation of the electronic device can be performed. When the movable icon moves along the movement path and touches the edge of the screen of the touch screen for less than the predetermined number of times (NO in step S303), the determination of step S301 is continued. When the movable icon moves along the moving path and touches the edge of the touch screen for the predetermined number of times or more (YES in step S303), in step S304, one of the electronic devices is released. The screen is locked.

In another embodiment, the present invention further determines the contact time of the object contacting the touch screen, and provides a prompt to prompt the user to drop the movable icon to increase the flexibility of the operation of the electronic device. The details are explained.

Figure 4 is a flow chart showing a method of unlocking a screen in accordance with an embodiment of the present invention. The method for unlocking the screen according to the embodiment of the present invention can be applied to an electronic device such as a personal computer and a portable device, such as a personal digital assistant, a smart phone, a mobile phone, a mobile internet device, or a mini notebook computer. Handheld device. It is noted that in this embodiment, the electronic device has a touch screen.

First, in step S401, an object (such as a finger) is detected to be in contact with one of the movable icons on the touch screen. It is to be noted that, in this embodiment, the movable icon can be anywhere in the touch screen, and does not define a specific area. In step S402, it is determined whether the contact time of one of the contacts is equal to or greater than a threshold. When the contact time is equal to or greater than the threshold (YES in step S402), in step S403, a pop-up prompt is displayed to prompt the throwing of the movable icon. When the contact time is not equal to or greater than the threshold (NO in step S402), the determination in step S401 is continued. Then, after the object is thrown out of the movable icon, in step S404, the movable icon is detected to move along one of the throwing directions, and the moving direction and the collision speed according to the throwing direction and the moving Processing such as detection, rebound path calculation, deceleration calculation, etc. to calculate a movement path of one of the movable icons. It is worth noting that the object can throw the movable icon in any direction without limiting its direction of throwing. In step S405, it is determined whether the movable icon touches the edge of the screen of the touch screen for more than a predetermined number of times when moving along the moving path. It should be noted that in some embodiments, this predetermined number of times can be used to determine whether an unlocking operation of the electronic device can be performed. When the movable icon moves along the movement path and touches the edge of the screen of the touch screen for less than the predetermined number of times (NO in step S405), the determination of step S401 is continued. When the movable icon moves along the moving path and touches the edge of the touch screen for the predetermined number of times or more (YES in step S405), in step S406, one of the electronic devices is released. The screen is locked.

It should be noted that, in some embodiments, when the movable icon touches the edge of the touch screen for less than the predetermined number of times, the electronic device is still locked, and the touch screen can display an idle screen. And re-detect the contact of the object. When the movable icon touches the edge of the touch screen for the predetermined number of times, the screen lock state of the electronic device is released, and an operation interface can be displayed through the touch screen. It is to be noted that in some embodiments, the operation interface may be a preset operation interface or a last operation interface before the electronic device is locked. It should be noted that, in some embodiments, when the object leaves the touch screen and the movable icon touches the edge of the touch screen for more than the predetermined number of times and continues to move, the electronic device is still locked. status. When the movable icon touches the edge of the screen of the touch screen for more than the predetermined number of times and stops moving, the electronic device is unlocked.

For example, FIG. 5A to FIG. 5E are diagrams showing an example of the method for unlocking the screen according to an embodiment of the present invention, and refer to FIG. 2 . FIG. 5A is a screenshot of the touch screen 110 of the electronic device 100 in the screen locked state. As shown in the figure, a movable icon 501 for prompting the unlocking is displayed on the touch screen. Can be an idle screen. The user can touch the movable icon 501 with the finger F as shown in FIG. 5B. The detecting unit 120 detects that the finger F is in contact with one of the movable icons 501, and displays a prompting frame 502 on the movable icon 501 through the touch screen. The detecting unit then determines whether the contact time of one of the positions touched by the finger F is equal to or greater than a threshold. When the contact time is equal to or greater than the threshold, a prompt is displayed to prompt the user to drop the movable icon 501. In this example, as shown in FIG. 5C, while the finger F continues to contact the movable icon 501, the prompt frame 502 of the movable icon 501 is enlarged as the contact time increases. When the contact time is equal to or greater than the threshold, the prompt frame 502 displays an arrow prompt or a color prompt to inform the user that the movable icon 301 can be discarded. It should be noted that in another embodiment, when the contact time is equal to or greater than the threshold, the periphery of the movable icon 501 is displayed with a preset color. In this way, the user can clearly know that the movable icon 501 can be discarded.

After the movable icon 301 is discarded, the detecting unit 120 detects that the movable icon 501 moves in one of the throwing directions. The processing unit 130 calculates a moving path 303 of the movable icon 501 by using the direction and the moving speed of the moving one according to the collision detection, the rebound path calculation, the deceleration calculation, and the like, as shown in FIG. 5D, the moving path 503 is indicated by a broken line. When the movable icon 501 moves along the moving path 503 and touches the edge of the screen of the touch screen 110 for a predetermined number of times or more (in this example, the predetermined number of times is 2), the screen lock state is released. At this time, the basic functions of the electronic device are displayed on the touch screen 110. As shown in FIG. 5E, the user can perform general operations such as making a call, sending and receiving an email, and the like.

It should be noted that although the foregoing detection unit and processing unit of the present invention are separate components, the components can be integrated together, thereby reducing the number of components in the electronic device.

Therefore, through the method for unlocking the screen in the present case, the electronic device can display the relevant interface and input corresponding input behavior by using the touch screen, thereby providing a multi-change and convenient mechanism for unlocking the electronic device.

The method of the invention, or a particular type or portion thereof, may exist in the form of a code. The code may be included in a physical medium such as a floppy disk, a CD, a hard disk, or any other machine readable (such as computer readable) storage medium, or is not limited to an external computer program product, wherein When the code is loaded and executed by a machine, such as a computer, the machine becomes a device for participating in the present invention. The code can also be transmitted via some transmission medium, such as a wire or cable, fiber optics, or any transmission type, where the machine becomes part of the program when it is received, loaded, and executed by a machine, such as a computer. Invented device. When implemented in a general purpose processing unit, the code combination processing unit provides a unique means of operation similar to application specific logic.

While the present invention has been described in its preferred embodiments, the present invention is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

100‧‧‧Electronic devices

110‧‧‧Touch screen

120‧‧‧Detection unit

130‧‧‧Processing unit

S301~S304‧‧‧Steps

S401~S406‧‧‧Steps

501‧‧‧ movable icon

502‧‧‧Prompt frame

503‧‧‧Moving path

F‧‧‧ finger

Figure 1 is a schematic diagram showing an electronic device in accordance with an embodiment of the present invention.

Figure 2 is a system block diagram showing an electronic device in accordance with an embodiment of the present invention.

Figure 3 is a flow diagram showing a method of unlocking a screen in accordance with an embodiment of the present invention.

Figure 4 is a flow diagram showing a method of unlocking a screen in accordance with an embodiment of the present invention.

5A to 5E are diagrams showing a method of unlocking a screen according to an embodiment of the present invention.

S301~S304. . . step

Claims (13)

A method for unlocking a screen is applicable to an electronic device having a touch screen. The method includes the following steps: detecting an object contacting one of the movable icons on the touch screen After the object is thrown out of the movable icon, detecting that the movable icon moves along one of the throwing directions; calculating a moving path of the movable icon by the throwing direction and the moving speed of the moving; Determining whether the movable icon touches the edge of the touch screen for more than a predetermined number of times when moving along the moving path; when the movable icon touches the edge of the touch screen for the predetermined number of times or more Deactivating a screen lock state of the electronic device; detecting whether the object leaves the touch screen; and releasing the screen lock state when the object leaves the touch screen and the movable icon stops moving. The method for unlocking a screen as described in claim 1 further includes the steps of: determining whether a contact time of one of the contacts is equal to or greater than a threshold; and when the contact time is equal to or greater than the threshold At the time, a prompt is displayed to prompt the user to drop the movable icon. The method for unlocking the screen as described in claim 2 of the patent scope further includes the following steps: When the contact time is less than the threshold, the electronic device is still locked, and an idle screen is displayed through the touch screen. The method for unlocking a screen as described in claim 1 further includes the following steps: when the movable icon moves along the moving path and does not touch the edge of the touch screen for a predetermined number of times or more The electronic device is still locked and displays an idle screen through the touch screen. An electronic device includes: a touch screen; a detecting unit coupled to the touch screen, detecting an object contacting one of the movable icons on the touch screen, when the object is lost After the movable icon is detected, the movable icon is detected to move along one of the throwing directions; and a processing unit is coupled to the touch screen and the detecting unit, by the throwing direction and the moving One moving speed calculates a moving path of the movable icon, and determines whether the movable icon touches the edge of the touch screen for a predetermined number of times or more when the movable icon moves along the moving path, when the movable icon touches The processing unit releases a screen lock state when the edge of the touch screen is touched for the predetermined number of times; wherein the processing unit further detects whether the object leaves the touch screen, and when the object leaves the touch When the screen is stopped and the movable icon stops moving, the screen lock state is released. The electronic device of claim 5, wherein the detecting unit further determines whether a contact time of the contact is equal to or greater than a threshold, and when the contact time is equal to or greater than the threshold, the The detecting unit displays a prompt to discard the movable icon through the touch screen. The electronic device of claim 6, wherein when the contact time is less than the threshold, the electronic device is still locked, and the processing unit displays an idle screen through the touch screen. The electronic device of claim 5, wherein the electronic device is still locked when the movable icon moves along the moving path and does not touch the edge of the touch screen for a predetermined number of times or more. And the processing unit displays an idle screen through the touch screen. The electronic device of claim 5, wherein the electronic device is a portable electronic device. A computer program product that loads the program via an electronic device and performs the following steps: detecting an object touching one of the movable icons on a touch screen; detecting the object after the object is thrown out; The movable icon moves along one of the throwing directions; calculates a moving path of the movable icon by the throwing direction and the moving speed of the moving; and determines whether the movable icon touches when moving along the moving path Touching the edge of the touch screen for a predetermined number of times or more; when the movable icon touches the edge of the touch screen for the predetermined number of times or more, releasing the screen lock state of the electronic device; detecting the Whether the object leaves the touch screen; and when the object leaves the touch screen and the movable icon stops moving When the action is activated, the screen lock status is released. . The computer program product of claim 10, further comprising the steps of: determining whether a contact time of the contact is equal to or greater than a threshold; and when the contact time is equal to or greater than the threshold, A prompt is displayed to prompt the user to drop the movable icon. The computer program product of claim 10, further comprising the step of: when the contact time is less than the threshold, the electronic device is still locked, and an idle screen is displayed through the touch screen. The computer program product of claim 10, further comprising the steps of: when the movable icon moves along the moving path and does not touch the edge of the touch screen for a predetermined number of times or more, The electronic device is still locked and displays an idle picture through the touch screen.