CN109246674B - Application switching method, device and system - Google Patents
Application switching method, device and system Download PDFInfo
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- CN109246674B CN109246674B CN201811332952.8A CN201811332952A CN109246674B CN 109246674 B CN109246674 B CN 109246674B CN 201811332952 A CN201811332952 A CN 201811332952A CN 109246674 B CN109246674 B CN 109246674B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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Abstract
The embodiment of the application switching method, device and system relates to the technical field of NFC application. The method comprises the steps of processing data sent by a mobile terminal to obtain a target application needing to be switched, searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application, finally detecting whether the target security chip is a security chip currently communicating with an NFC module, and switching the target security chip to be the security chip currently communicating with the NFC module when the target security chip is not the security chip currently communicating with the NFC module, so that the target application in the target security chip and the NFC module can carry out data interaction. By the method, the applications configured in the security chip can be switched, so that the current applications are matched with the target NFC equipment, and the adaptability of the mobile terminal to different NFC equipment is improved.
Description
Technical Field
The application relates to the technical field of NFC application, in particular to an application switching method, device and system.
Background
Near Field Communication (NFC) technology is a short-distance high-frequency wireless Communication technology, and can realize non-contact data transmission between electronic devices, thereby bringing convenience to daily life.
In the prior art, the NFC function can be implemented on a mobile phone by integrating an NFC communication module in a SIM card. However, NFC-SIM cards currently on the market are usually provided with only one secure chip.
Since configuration data (such as application programs, working parameters, and the like) in the security chip is fixed after delivery from a factory, the same security chip cannot adapt to NFC devices with different configurations, and is very inconvenient to use.
Disclosure of Invention
In order to overcome the above defects in the prior art, the application switching method, device and system provided by the application are used for realizing matching with target NFC equipment by switching applications configured in a security chip, so that the adaptability of a mobile terminal to different NFC equipment is improved.
In order to achieve the above purpose, the preferred embodiment of the present application adopts the following technical solutions:
in a first aspect, an embodiment of the present application provides an application switching method applied to a SIM card, where the SIM card includes an NFC module and at least two security chips configured with applications, and the method includes:
processing data sent by the mobile terminal to obtain a target application to be switched to;
searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application;
detecting whether the target security chip is a security chip currently communicating with the NFC module;
if not, the target security chip is switched to a security chip currently communicating with the NFC module, so that data interaction is carried out between the target application in the target security chip and the NFC module.
Further, before the step of processing the data sent by the mobile terminal to obtain the target application to be switched to, the method further includes:
and receiving data sent by the mobile terminal, wherein the data comprises current position information acquired by the mobile terminal or an application switching instruction operated by a user.
Optionally, in this embodiment of the present application, the step of receiving data sent by a mobile terminal includes:
responding to a communication request of a mobile terminal, and establishing a data transmission channel with the mobile terminal;
and receiving the data sent by the mobile terminal through the data transmission channel.
Optionally, in this embodiment of the application, the step of switching the target secure chip to a secure chip currently communicating with the NFC module includes:
and establishing a data communication channel between the target security chip and the NFC module, and closing data communication channels between the rest security chips and the NFC module.
In a second aspect, an embodiment of the present application provides an application switching apparatus applied to a SIM card, where the SIM card includes an NFC module and at least two security chips configured with applications, and the apparatus includes:
the processing module is used for processing the data sent by the mobile terminal to obtain a target application to be switched to;
the searching module is used for searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application;
the detection module is used for detecting whether the target security chip is a security chip currently communicating with the NFC module;
and the switching module is used for switching the target security chip to the security chip which is currently communicated with the NFC module when the target security chip is not the security chip which is currently communicated with the NFC module, so that data interaction is carried out between the target application in the target security chip and the NFC module.
Further, in this embodiment of the present application, the apparatus further includes:
and the receiving module is used for receiving data sent by the mobile terminal, wherein the data comprises current position information acquired by the mobile terminal or an application switching instruction operated by a user.
Further, in this embodiment of the application, the receiving module is specifically configured to:
responding to a communication request of a mobile terminal, and establishing a data transmission channel with the mobile terminal;
and receiving the data sent by the mobile terminal through the data transmission channel.
Further, in this embodiment of the present application, the switching module is specifically configured to:
and establishing a data communication channel between the target security chip and the NFC module, and closing data communication channels between the rest security chips and the NFC module.
In a third aspect, an embodiment of the present application provides an application switching system, where the system includes an SIM card and a mobile terminal that are in communication connection, where the SIM card includes an NFC module and at least two security chips configured with applications; wherein the mobile terminal is configured to:
generating an application switching instruction according to user operation, and sending the application switching instruction to the SIM card;
the SIM card is used for:
receiving the application switching instruction, and processing the application switching instruction to obtain a target application to be switched;
searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application;
and detecting whether the target security chip is a security chip currently communicating with the NFC module, and switching the target security chip to the security chip currently communicating with the NFC module when the target security chip is not the security chip currently communicating with the NFC module, so that data interaction is carried out between a target application in the target security chip and the NFC module.
Further, in this embodiment of the present application, the mobile terminal is further configured to: acquiring current position information and sending the position information to the SIM card;
the SIM card is further configured to: and receiving the position information, and searching according to the corresponding relation between the position information and the application to obtain the target application matched with the position information.
Compared with the prior art, the method has the following beneficial effects:
according to the application switching method provided by the embodiment of the application switching method, the target application needing to be switched is obtained by processing data sent by the mobile terminal, then the target security chip where the target application is located is searched according to the corresponding relation between the security chip and the application, and finally whether the target security chip is the security chip currently communicating with the NFC module is detected, and when the target security chip is not the security chip currently communicating with the NFC module, the target security chip is switched to the security chip currently communicating with the NFC module, so that the target application in the target security chip and the NFC module perform data interaction, and application switching is achieved. By the method, the applications configured in the security chip can be switched according to actual requirements, so that the current applications are matched with the target NFC equipment, and the adaptability of the mobile terminal to different NFC equipment is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic view of a data interaction scene between an SIM card and a mobile terminal according to an embodiment of the present application;
fig. 2 is a schematic flowchart illustrating steps of an application switching method according to an embodiment of the present application;
fig. 3 is a schematic flow chart illustrating sub-steps in an application switching method according to an embodiment of the present application;
fig. 4 is a schematic functional block diagram of an application switching apparatus according to an embodiment of the present application.
Icon: 11-a first secure chip; 12-a second secure chip; 20-a bluetooth master control module; 30-an NFC module; 40-a communication module; 50-a mobile terminal; 100-application switching means; 101-a receiving module; 102-a processing module; 103-a lookup module; 104-a detection module; 105-a switching module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "first", "second", etc. are named only for distinguishing different features of the present application, and the description is simplified, but does not indicate or imply relative importance, and thus, should not be construed as limiting the present application.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, a schematic view of a data interaction scenario between a SIM card and a mobile terminal 50 according to an embodiment of the present application is shown. The SIM card includes a first secure chip 11, a second secure chip 12, an NFC module 30, a bluetooth host module 20, and a communication module 40.
In the embodiment of the present application, the mobile terminal 50 may be an electronic device such as a mobile phone with a bluetooth function and a tablet computer. The communication module 40 in the SIM card is electrically connected to the mobile terminal 50, and provides mobile communication services such as call and data transmission for the mobile terminal 50. The bluetooth master control module 20 is in communication connection with the mobile terminal 50, and the bluetooth master control module 20 is electrically connected with the first secure chip 11, the second secure chip 12 and the NFC module 30 respectively to form a data communication channel between any two of the NFC module 30, the first secure chip 11/the second secure chip 12 and the mobile terminal 50.
The following will describe specific functions of the first secure chip 11/the second secure chip 12, the NFC module 30, and the bluetooth host module 20 in this embodiment of the application:
the NFC module 30 is configured to perform near field communication with an external NFC device (e.g., a POS device, a subway gate, a door access, etc.), and implement various data interaction functions such as electronic payment and identity authentication. Specifically, in the embodiment of the present application, the NFC module 30 may perform data exchange with an external NFC device through an active mode and a passive mode.
The first security chip 11/the second security chip 12 are configured to perform security management on interaction data between the NFC module 30 and an external NFC device, so as to prevent the external device from performing malicious analysis attack in an interaction process. In the embodiment of the present application, the first secure chip 11/the second secure chip 12 may be installed with various application programs, such as a factory application of an operator, a life application (a bus card, a subway card, a social security card, an electronic identity card), a mobile payment application (a payment bank, a mobile wallet, a unionpay), and the like, and implement a required NFC function through data interaction with the NFC module 30.
In this embodiment of the application, different applications are stored in the first secure chip 11 and the second secure chip 12, and a user can switch the current application according to actual requirements to match the NFC device in the current application scenario. In addition, in the embodiment of the present application, the SIM card may include, but is not limited to, the first secure chip 11 and the second secure chip 12, and the SIM card may further include more secure chips, so as to store more application programs and meet more application scenario requirements.
The bluetooth master control module 20 is configured to implement data communication between the NFC module 30 and the first secure chip 11/the second secure chip 12, and between the NFC module 30 and the first secure chip 11/the second secure chip 12 and an external mobile terminal 50. Meanwhile, the bluetooth master control module 20 may integrate a microprocessor chip, and is configured to process the interactive data between the mobile terminal 50, the NFC module 30 and the first secure chip 11/the second secure chip 12, and complete the response of the instruction sent by the first secure chip 11/the second secure chip 12, the NFC module 30 or the mobile terminal 50.
When the bluetooth main control module 20 establishes a communication channel between the NFC module 30 and the first secure chip 11/the second secure chip 12, the SIM Card may implement a CE (Card Emulation) function through an application program configured in the NFC module 30 and the first secure chip 11/the second secure chip 12, and when the bluetooth main control module 20 establishes a communication channel between the NFC module 30 and the mobile terminal 50, the SIM Card may implement a HCE (Host-based Card Emulation) function together with application software installed in the mobile terminal 50.
In order to improve the adaptability of the mobile terminal 50 to different NFC devices by switching the applications configured in the security chip to match the NFC devices in the current application scenario, an application switching method applicable to the SIM card is provided in the embodiments of the present application, and specific steps of the method are shown in fig. 2.
Referring to fig. 2, in an embodiment of the present application, the method includes:
step S10, the data sent by the mobile terminal 50 is processed to obtain the target application to be switched to.
In this embodiment of the application, when a user needs to switch a current application in the security chip to match a target NFC device, the user may operate through the mobile terminal 50, and then send corresponding data or a control instruction to the SIM card, and the SIM card may process the data sent by the mobile terminal 50 after receiving the data, to obtain the target application to be switched.
Specifically, in this embodiment of the application, the data sent by the mobile terminal 50 may include an application switching instruction obtained by a user operating the mobile terminal 50, and may also include current location information acquired by the mobile terminal 50 through a GPS. When the SIM card receives an application switching instruction obtained by user operation, taking an application needing to be switched in the application switching instruction as a target application; when the SIM card receives the current location information acquired by the mobile terminal 50, the application matched with the current location is searched according to the pre-configured correspondence between the location information and the application, and then the application matched with the current location is used as the target application.
For example, when a user needs to take a subway, the user can manually operate through a man-machine interaction interface such as APP installed on the mobile terminal 50, send a corresponding application switching instruction to the SIM card to realize manual application switching, or can acquire current position information through the mobile terminal 50 and send the position information to the SIM card to realize automatic application switching, so that an application (such as a subway card application) suitable for a current scene is switched to a current application.
Further, in this embodiment of the application, before the step S10, a step of receiving data sent by the mobile terminal 50 is further included, specifically referring to fig. 3, the step includes:
sub-step S01, in response to the communication request of the mobile terminal 50, establishes a data transmission channel with the mobile terminal 50.
And a substep S02 of receiving the data transmitted by the mobile terminal 50 through the data transmission channel.
In this embodiment of the application, the SIM card includes the bluetooth main control module 20, and after the SIM card receives a communication request initiated by the mobile terminal 50, a data transmission channel between the SIM card and the mobile terminal 50 may be established through the bluetooth main control module 20, and then data such as an application switching instruction or current location information sent by the mobile terminal 50 may be received through the data transmission channel.
With continuing reference to fig. 2, after the step S10, the application switching method further includes:
and step S20, searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application.
In this embodiment, the SIM card may include a plurality of security chips (such as the first security chip 11 and the second security chip 12 shown in fig. 1) electrically connected to the bluetooth master control module 20, and each application may be respectively configured on the first security chip 11 and the second security chip 12 according to an application classification or a security level during a production or use process of the SIM card. After the SIM card processes the data sent by the mobile terminal 50 to obtain the target application to be switched to, the security chip where the target application is located can be obtained according to the pre-configured corresponding relationship between the security chip and the application. For example, when a user needs to use a subway card to take a subway, the user needs to use a subway card application configured in the second security chip 12, and after the user searches for the corresponding relationship between the security chip and the application, the second security chip 12 is used as a target security chip.
With continued reference to fig. 2, after the step S20, the method further includes:
step S30, detecting whether the target security chip is the security chip currently communicating with the NFC module 30, and switching the target security chip to the security chip currently communicating with the NFC module 30 when the target security chip is not the security chip currently communicating with the NFC module 30.
In this embodiment of the application, the target security chip where the target application is located needs to communicate with the NFC module 30, so that the target application in the target security chip and the NFC module 30 can implement data exchange, and further implement a corresponding NFC function. Therefore, after the target security chip where the target application to be switched to is located is obtained through the above steps, it is required to detect whether the target security chip is a security chip currently communicating with the NFC module 30.
If the target security chip is a security chip currently communicating with the NFC module 30, switching between applications stored in the target security chip may switch the target application to be switched to the current application. If not, the target security chip is switched to the security chip currently communicating with the NFC module 30 by establishing a data communication channel between the target security chip and the NFC module 30 and closing data communication channels between the remaining security chips and the NFC module 30, so that the target application in the target security chip performs data interaction with the NFC module 30.
Referring to fig. 4, an application switching apparatus 100 applied to a SIM card is further provided in the embodiment of the present application, where the SIM card includes an NFC module 30 and at least two security chips configured with applications, and the apparatus includes:
the receiving module 101 is configured to receive data sent by the mobile terminal 50, where the data sent by the mobile terminal 50 includes current location information acquired by the mobile terminal 50 or an application switching instruction operated by a user.
The processing module 102 is configured to process data sent by the mobile terminal 50 to obtain a target application to be switched to.
The searching module 103 is configured to search a target security chip where the target application is located according to a corresponding relationship between the security chip and the application.
A detecting module 104, configured to detect whether the target security chip is a security chip currently communicating with the NFC module 30.
A switching module 105, configured to switch the target security chip to a security chip currently communicating with the NFC module 30 when the target security chip is not the security chip currently communicating with the NFC module 30, so that a target application in the target security chip performs data interaction with the NFC module 30.
Specifically, in this embodiment of the present application, the receiving module 101 is specifically configured to:
responding to a communication request of the mobile terminal 50, establishing a data transmission channel with the mobile terminal 50, and receiving data sent by the mobile terminal 50 through the data transmission channel.
Specifically, in this embodiment of the present application, the switching module 105 is specifically configured to:
and establishing a data communication channel between the target security chip and the NFC module 30, and closing data communication channels between the remaining security chips and the NFC module 30.
In addition, the embodiment of the present application provides an application switching system, where the system includes a SIM card and a mobile terminal 50 that are in communication connection, where the SIM card includes an NFC module 30 and at least two security chips configured with applications; wherein the mobile terminal 50 is configured to:
and generating an application switching instruction according to the user operation, and sending the application switching instruction to the SIM card.
The SIM card is used for:
receiving the application switching instruction, and processing the application switching instruction to obtain a target application to be switched;
searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application;
detecting whether the target security chip is a security chip currently communicating with the NFC module 30, and switching the target security chip to a security chip currently communicating with the NFC module 30 when the target security chip is not the security chip currently communicating with the NFC module 30, so that a target application in the target security chip performs data interaction with the NFC module 30.
Optionally, in this embodiment of the present application, the mobile terminal 50 is further configured to: acquiring current position information and sending the position information to the SIM card;
the SIM card is further configured to: receiving the location information, searching according to the corresponding relationship between the location information and the application to obtain a target application matched with the location information, and switching the target application into a current application for data interaction with the NFC module 30 by the above method after obtaining the target application.
To sum up, the embodiment of the present application provides an application switching method, an application switching device, and an application switching system, where in the method, a target application to be switched is obtained by processing data sent by a mobile terminal, then a target security chip where the target application is located is searched according to a correspondence between security chips and applications, and finally, whether the target security chip is a security chip currently communicating with an NFC module is detected, and when the target security chip is not a security chip currently communicating with an NFC module, the target security chip is switched to a security chip currently communicating with the NFC module, so that the target application in the target security chip performs data interaction with the NFC module. By the method, the applications configured in the security chip can be switched, so that the current applications are matched with the target NFC equipment, and the adaptability of the mobile terminal to different NFC equipment is improved.
It should be noted that the apparatuses and methods disclosed in the embodiments of the present application can also be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An application switching method is applied to a SIM card, wherein the SIM card comprises an NFC module and at least two security chips configured with applications, and the applications configured for the different security chips are different from each other, and the method comprises the following steps:
processing data sent by the mobile terminal to obtain a target application to be switched to;
searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application;
detecting whether the target security chip is a security chip currently communicating with the NFC module;
if not, the target security chip is switched to a security chip currently communicating with the NFC module, so that data interaction is carried out between the target application in the target security chip and the NFC module.
2. The method of claim 1, wherein before the step of processing the data sent by the mobile terminal to obtain the target application to be handed over, the method further comprises:
and receiving data sent by the mobile terminal, wherein the data comprises current position information acquired by the mobile terminal or an application switching instruction operated by a user.
3. The method of claim 2, wherein the step of receiving data transmitted by the mobile terminal comprises:
responding to a communication request of a mobile terminal, and establishing a data transmission channel with the mobile terminal;
and receiving the data sent by the mobile terminal through the data transmission channel.
4. The method of any one of claims 1-3, wherein the step of switching the target secure chip to a secure chip currently in communication with an NFC module comprises:
and establishing a data communication channel between the target security chip and the NFC module, and closing data communication channels between the rest security chips and the NFC module.
5. An application switching device, applied to a SIM card, the SIM card including an NFC module and at least two security chips configured with applications, wherein the applications configured for different security chips are different from each other, the device comprising:
the processing module is used for processing the data sent by the mobile terminal to obtain a target application to be switched to;
the searching module is used for searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application;
the detection module is used for detecting whether the target security chip is a security chip currently communicating with the NFC module;
and the switching module is used for switching the target security chip to the security chip which is currently communicated with the NFC module when the target security chip is not the security chip which is currently communicated with the NFC module, so that data interaction is carried out between the target application in the target security chip and the NFC module.
6. The apparatus of claim 5, wherein the apparatus further comprises:
and the receiving module is used for receiving data sent by the mobile terminal, wherein the data comprises current position information acquired by the mobile terminal or an application switching instruction operated by a user.
7. The apparatus of claim 6, wherein the receiving module is specifically configured to:
responding to a communication request of a mobile terminal, and establishing a data transmission channel with the mobile terminal;
and receiving the data sent by the mobile terminal through the data transmission channel.
8. The apparatus of any one of claims 5-7, wherein the switching module is specifically configured to:
and establishing a data communication channel between the target security chip and the NFC module, and closing data communication channels between the rest security chips and the NFC module.
9. An application switching system is characterized by comprising an SIM card and a mobile terminal which are in communication connection, wherein the SIM card comprises an NFC module and at least two security chips configured with applications, and the applications configured by the different security chips are different from each other; wherein the mobile terminal is configured to:
generating an application switching instruction according to user operation, and sending the application switching instruction to the SIM card;
the SIM card is used for:
receiving the application switching instruction, and processing the application switching instruction to obtain a target application to be switched;
searching a target security chip where the target application is located according to the corresponding relation between the security chip and the application;
and detecting whether the target security chip is a security chip currently communicating with the NFC module, and switching the target security chip to the security chip currently communicating with the NFC module when the target security chip is not the security chip currently communicating with the NFC module, so that data interaction is carried out between a target application in the target security chip and the NFC module.
10. The system of claim 9, wherein the mobile terminal is further configured to: acquiring current position information and sending the position information to the SIM card;
the SIM card is further configured to: and receiving the position information, and searching according to the corresponding relation between the position information and the application to obtain the target application matched with the position information.
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| CN201811332952.8A CN109246674B (en) | 2018-11-09 | 2018-11-09 | Application switching method, device and system |
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| CN201811332952.8A CN109246674B (en) | 2018-11-09 | 2018-11-09 | Application switching method, device and system |
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| CN109246674B true CN109246674B (en) | 2021-12-14 |
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