CN103491653A - WiFi and 3G coexisting method based on Android intelligent terminal - Google Patents
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Abstract
The invention relates to a WiFi and 3G coexisting method based on an Android mobile intelligent terminal. The method includes the following steps of starting a system service and establishing a user operation class to judge a network port, configuring a default network, starting connection of a first network and acquiring network information of the first network, updating a DNS and adding routing information of the first network into a routing list; starting connection of a second network and acquiring network information of the second network, updating the DNS and adding routing information of the second network into the routing list. The WiFi and 3G coexisting method based on the Android intelligent terminal has the advantages that through the arrangement of the WiFi and the 3G network, the 3G network is supported while the WiFi network is connected so that a user can perform 3G network communication and WiFi network communication at the same time.
Description
Technical field
The present invention relates to the data communication technology field, especially relate to a kind of method based under the Android mobile intelligent terminal, WiFi and 3G network coexist.
Background technology
At present, in mobile terminal, data network commonly used is generally broadband wireless network WiFi and 3G (Third Generation) Moblie 3G, and wherein, the 3G network coverage rate is wider, but the 3G flow that the user has every month is limited, and rate are higher; The WiFi focus only is present in fixed-site, and the mobile terminal of holding as the user is positioned at the fixed-site at WiFi focus place, after being connected to WiFi, can freely use this WiFi to carry out network service, generally limited flow not.
The network communication method of existing mobile terminal mainly comprises: the operating system carried by mobile terminal realizes the connection of WiFi internet and 3G network is controlled; A time period, when needs adopt the WiFi network to carry out network service, operating system is connected the control to the WiFi network; When needs adopt 3G network to carry out network service, first disconnect the control to WiFi, then connect the control to 3G network.From said process, a time period, or surf the Net by 3G, or surf the Net by WiFi.And, the mobile terminal that some functions are fairly perfect, the smart mobile phone based on the android Android system for example, the network priority setting of WiFi is higher than 3G, in the situation that 3G network link, open the WiFi network and connect, can automatically close 3G network and connect, the current network link is switched to the WiFi network; In the situation that the WiFi network links, can not open 3G network and connect.Be that synchronization can only have a kind of network linking to exist.Qchat (wireless talkback business) can only be used the 3G wireless network.Existing Android mobile device terminal is in the situation that unlatching WiFi can not be used the Qchat function.
Hence one can see that, in existing mobile terminal, can't realize opening 3G network and WiFi network simultaneously, affects to a certain extent user's Experience Degree, and then also just can't meet the demand that the user carries out 3G network communication and WiFi network service simultaneously.
Therefore, in order to meet user's demand, a kind of appearance of the method based under the Android mobile intelligent terminal, WiFi and 3G network coexist is necessary.
Summary of the invention
The present invention proposes a kind of WiFi and 3G coexistence method based on the Android intelligent terminal, has solved the problem that can't realize simultaneously opening 3G network and WiFi network in the prior art.
Technical scheme of the present invention is achieved in that
WiFi based on the Android intelligent terminal and 3G coexistence method comprise the following steps:
S1: start system service and set up user's class of operation, in order to judge the network port;
S2: allocating default network;
S3: start first network and connect, and obtain the network information of first network;
S4: upgrade DNS, and the routing iinformation of first network is added in routing table;
S5: start second network and connect, and obtain the network information of second network;
S6: upgrade DNS, and the routing iinformation of second network is added in routing table.
As preferred technical scheme, described first network and second network are respectively wifi and 3G network.
As preferred technical scheme, the described network information comprises link information and connection type, and described link information also comprises DNS information and routing iinformation.
The beneficial effect that the present invention has is: by the setting to wifi and 3G network, realized also having supported 3G network when connecting the Wifi network, and then met the demand that the user carries out 3G network communication and Wifi network service simultaneously.
The accompanying drawing explanation
Fig. 1 is the present invention: the schematic diagram of the WiFi based on the Android intelligent terminal and 3G coexistence method;
Fig. 2 is the present invention: the flow chart of the WiFi based on the Android intelligent terminal and 3G coexistence method.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Shown in Fig. 1, the WiFi based on the Android intelligent terminal and 3G coexistence method comprise the following steps:
S1: start system service and set up user's class of operation, in order to judge the network port;
S2: allocating default network;
S3: start first network and connect, and obtain the network information of first network;
S4: upgrade DNS, and the routing iinformation of first network is added in routing table;
S5: start second network and connect, and obtain the network information of second network;
S6: upgrade DNS, and the routing iinformation of second network is added in routing table.
Described first network and second network are respectively wifi and 3G network.
Shown in Fig. 2, set forth the WiFi that the present invention is based on the Android intelligent terminal and the specific embodiments of 3G coexistence method,
1, start system service
When starting, the Android mobile terminal system starts a background system service (ConnectivityService).Judgement, selection to network are all processed in this service.
2, set up user's class of operation (ConnectivityManager), by AIDL(Android InterfaceDefinitionLanguage: the service that interface description language) technology access ConnectivityService provides.
3, preparation default network
In ConnectivityManager
The WiFi network type is formulated as to TYPE_WIFI.
The 3G network type is formulated as to TYPE_MOBILE.
Default network is formulated as defaultNet=TYPE_WIFI.
Backup network is otherNet=TYPE_MOBILE.
4, starting terminal the first network connects
Network interface card by the Android terminal equipment connects, and the network interface card here can be wlan0 (WiFi network interface card) or ppp0 (3G network interface card).Wherein, the WiFi network interface card is the wireless connections with the WiFi focus for foundation, so that terminal is by WiFi focus accessing Internet; The 3G network interface card is the wireless connections with base station equipment for foundation, so that terminal is by base station equipment access communications network.
During the network successful connection, Android terminal bottom module reports upper layer application by the network information NetworkInfo of this connection, the network information reported comprises link information LinkProperties, and link information comprises InetAddress(dns information) and RouteInfo (routing iinformation).Also comprise ConnectivityType (connection type) in the network information.NetworkInfo.getType () can obtain this connection type.
5, obtain the DNS interface
According to report network acquisition of information default network and backup network link information:
LinkPropertiesmyLP=NetworkInfo[defaultNet].getLinkProperties();
LinkPropertiesotherLP=NetworkInfo[otherNet].getLinkProperties();
What judge current unlatching is any network type, has opened several networks.If network has been opened, the connection attribute of network is not empty, i.e. LinkProperties unequal to null.
According to following condition judgment, current dns interface is set:
GetInterfaceName obtains the network interface card title of connection, and WiFi is wlan0, and 3G is ppp0.
If default network is opened myLP unequal to nul, the dns interface is set to default network; If default network is not opened myLP==null, backup network is opened, otherLP unequal to null, and the dns interface is set to backup network.Here be ppp0 (3G network interface card).
If two kinds of networks are opened myLP unequal to nul& simultaneously; & OtherLP unequal to null, the dns interface is set to default network.
6, upgrade DNS
Call network management services (NetworkManagementService) at the bottom of the Android mobile terminal arrange dns be the dns interface that obtains in step 5:
NetworkManagementService.setDefaultInterfaceForDns(defDnsIface）。
7, add routing table
UpdateRoutes by ConnectivityService goes to upgrade routing table, finally by NetworkManagementService.addRoute (ifaceName,, RouteInfo); The routing iinformation connected is specifically added in routing table.Wherein, the title that ifaceName is this connection network card, RouteInfo is the routing iinformation after connecting.
If this time be connected to WiFi, default router table is as follows:
Destination?Gateway?Genmask?Flags?Metric?Ref?Use?Iface
Default?192.168.1.1?0.0.0.0?UG?0?0?0?Wlan0
If this time be connected to 3G, default router table is as follows:
Destination?Gateway?Genmask?Flags?Metric?Ref?Use?Iface
Default?115.168.41.27?0.0.0.0?UG?20?0?0?ppp0
Annotate: the gateway that different terminal equipment obtains (Gateway) may be different, upper table WiFi network interface card (wlan0), and the gateway obtained is 192.168.1.1.3G network interface card (ppp0), the gateway obtained is 115.168.41.27
8, starting terminal the second network connects
Obtain the DNS interface according to the step 5 of front, step 6 is upgraded DNS.
9, add routing table
Add the routing iinformation of the first network in step 7 to routing table, added the routing iinformation of the second network here to routing table.UpdateRoutes by ConnectivityService goes to upgrade routing table,
Finally by NetworkManagementService.addRoute (ifaceName,, RouteInfo); The routing iinformation connected is specifically added in routing table.Wherein, the title that ifaceName is this connection network card, RouteInfo is routing iinformation.
Two kinds of networks (WiFi, 3G) while also is stored in the Android mobile terminal, and default router table is as follows:
Destination?Gateway?Genmask?Flags?Metric?Ref?Use?Iface
Default?192.168.1.1?0.0.0.0?UG?0?0?0?Wlan0
Default?115.168.41.27?0.0.0.0?UG?20?0?0?ppp0
Annotate: the gateway that different terminal equipment obtains (Gateway) may be different, upper table WiFi network interface card (wlan0), and the gateway obtained is 192.168.1.1; 3G network interface card (ppp0), the gateway obtained is 115.168.41.27
Above demonstration and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. the WiFi based on the Android intelligent terminal and 3G coexistence method, is characterized in that, the method comprises the following steps:
S1: start system service and set up user's class of operation, in order to judge the network port;
S2: allocating default network;
S3: start first network and connect, and obtain the network information of first network;
S4: upgrade DNS, and the routing iinformation of first network is added in routing table;
S5: start second network and connect, and obtain the network information of second network;
S6: upgrade DNS, and the routing iinformation of second network is added in routing table.
2. WiFi and the 3G coexistence method based on the Android intelligent terminal according to claim 1, is characterized in that, described first network and second network are respectively wifi and 3G network.
3. WiFi and the 3G coexistence method based on the Android intelligent terminal according to claim 1, is characterized in that, the described network information comprises link information and connection type, and described link information also comprises DNS information and routing iinformation.
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| CN103957572A (en) * | 2014-05-20 | 2014-07-30 | 普天信息技术有限公司 | Android-system-based distribution method through multi-network route policy |
| CN103973800A (en) * | 2014-05-19 | 2014-08-06 | 普天信息技术有限公司 | Android-based double-network-card concurrence implementation method |
| CN104486785A (en) * | 2014-12-23 | 2015-04-01 | 广东欧珀移动通信有限公司 | Switching method and system of mobile terminal network optimization |
| CN104981030A (en) * | 2015-07-10 | 2015-10-14 | 努比亚技术有限公司 | Network connection control method and device |
| CN105430763A (en) * | 2015-11-30 | 2016-03-23 | 上海斐讯数据通信技术有限公司 | Data acquisition method and device synchronously used by WIFI (Wireless Fidelity) data and mobile data |
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| CN103973800B (en) * | 2014-05-19 | 2017-12-08 | 普天信息技术有限公司 | A kind of double netcard based on Android system and the implementation method deposited |
| CN103957572A (en) * | 2014-05-20 | 2014-07-30 | 普天信息技术有限公司 | Android-system-based distribution method through multi-network route policy |
| US10104643B2 (en) | 2014-11-06 | 2018-10-16 | Mediatek Inc. | Method and apparatus for heterogeneous communication |
| CN104486785A (en) * | 2014-12-23 | 2015-04-01 | 广东欧珀移动通信有限公司 | Switching method and system of mobile terminal network optimization |
| CN104486785B (en) * | 2014-12-23 | 2018-05-29 | 广东欧珀移动通信有限公司 | A kind of switching method and system of mobile terminal network optimization |
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| CN108924274A (en) * | 2018-09-14 | 2018-11-30 | Oppo广东移动通信有限公司 | domain name system DNS processing method, device, storage medium and electronic equipment |
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Effective date of registration: 20160128 Address after: 200235, room 5, building 20, 102 middle Xu Xu Road, Shanghai, Xuhui District Applicant after: Shanghai Sheng Ben Intelligent Technology Co.,Ltd. Address before: 200235, 4, 20 middle Xu Xu Road, Shanghai, Xuhui District Applicant before: SHANGHAI BASEWIN TECHNOLOGY Co.,Ltd. |
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