CN106454743A - Geographic position asynchronous obtaining method - Google Patents
Geographic position asynchronous obtaining method Download PDFInfo
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- CN106454743A CN106454743A CN201611078316.8A CN201611078316A CN106454743A CN 106454743 A CN106454743 A CN 106454743A CN 201611078316 A CN201611078316 A CN 201611078316A CN 106454743 A CN106454743 A CN 106454743A
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- Prior art keywords
- address information
- geographic location
- location address
- geographical position
- information
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Classifications
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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
- H04W4/02—Services making use of location information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
Abstract
The invention discloses a geographic position asynchronous obtaining method. Multiple geographic inverse coding interfaces are set, geographic position address information is obtained through utilization of locally stored geographic position coordinate points, and a success rate and the accuracy of obtaining the information are improved. The method has the advantages that the geographic position information is obtained asynchronously; the geographic position information is obtained in the geographic coding and geographic inverse coding threads; the main thread time is not occupied; the speed is fast; the delay is removed; the obtained geographic positions are locally stored (namely cached); the latest geographic position information is locally stored (cached) each time; the information can be reused; and the positioning speed and accuracy are improved.
Description
Technical field
The present invention relates to geographical location information acquiring technology field, specifically, is a kind of asynchronous acquisition side in geographical position
Method.
Background technology
Geographical position is to connect various information in human survival and social activity, is formed in continuous distribution on room and time
Integrated information basis.Geographical position coordinates point is represented by current location place longitude and latitude, and particular geographic location ground
The information that location information is only used in people's daily life with reference to and needs.
At present, developing rapidly with development of Mobile Internet technology, the application that installs in terminal is more and more, wherein, very heavy
The part application that wants is the application of location Based service (Location Based Service, LBS).This kind of application is permissible
According to the geographical position of terminal, some information of client push for the application that installs in terminal, point of interest such as near terminal,
Point of interest and the distance between terminal information etc., such that it is able to realize the geographical position according to terminal, provide a user with various each
The service of sample.
However, the geographical position of application based on LBS according to terminal, during to client push information, if by positioning
Operation, it is impossible to obtain the geographical location information of terminal, it is impossible to realize obtaining and to the information required for client push user.
Therefore, in prior art, be completely dependent on positioning action obtain geographical location information mode reliability and obtain efficiency all than
Relatively low.
Content of the invention
The purpose of the present invention is for deficiency of the prior art, provides a kind of geographical position asynchronous acquisition methods.
For achieving the above object, the present invention is adopted the technical scheme that：A kind of asynchronous acquisition methods in geographical position, including such as
Lower step：
Step 01：Obtain locally stored geographical position coordinates point；
Step 02：The corresponding geographic location address information of the coordinate points is obtained by geographical Gray code；
Step 03：If successfully geographic location address information is obtained, whether acquired geographic location address information is judged
Effectively, effectively then memory cache is carried out to the corresponding geographic location address information of the geographical position coordinates point, while to local
The geographic location address information of storage is updated, invalid then starting step 04；
Step 04：If obtaining the failure of geographic location address information or acquired geographic location address information being invalid,
Then switch the interface of geographical Gray code at once, restart step 2.
Further, whether effectively acquired geographic location address information is judged described in step 02, including acquired
Geographic location address information meets priority and is followed successively by city, and -- -- road -- province -- country, then be judged as effectively secondary provincial unit
It is otherwise invalid.
Further, the acquisition geographic location address information unsuccessfully includes, acquired geographic location address information is
Empty.
Further, the service that obtains of geographic location address information is that the renewal for following geographical position coordinates point is carried out in real time
, after updating to locally stored geographical position coordinates point every time, the acquisition service of geographic location address information will be started.
The invention has the advantages that：
The inventive method is obtained in the thread of geocoding and geographical Gray code by asynchronous acquisition geographical location information
Geographical location information, is not take up the main thread time, speed faster, not interim card；Localization storage is realized (i.e. in the geographical position of acquisition
Caching), the locally stored each time geographical location information for having cached the last time, can be multiplexed, improve locating speed and standard
Exactness.
Description of the drawings
For becoming apparent from understanding the purpose of the present invention, feature and advantage, below with reference to preferable reality of the accompanying drawing to the present invention
Apply example to be described in detail, wherein：
Fig. 1 is the flow chart of the inventive method.
Specific embodiment
Below in conjunction with accompanying drawing, the method for the present invention is further illustrated.
As shown in Figure 1, a kind of asynchronous acquisition methods in geographical position of the present invention, comprise the steps：
Step 01：Obtain locally stored geographical position coordinates point；After getting geographical position coordinates point, start immediately and obtain
Take geographic location address information programme, i.e. starting step 2.
Step 02：The corresponding geographic location address information of the coordinate points is obtained by geographical Gray code；
Step 03：If geographic location address information is successfully obtained, judge that acquired geographic location address information is
No effective；In the present embodiment, it is preferable that using the geographical position coordinates point of above-mentioned acquisition, first provided using androidSDK
Android.location.GeoCoder class obtains information mistake obtaining the corresponding geographic location address information of above-mentioned coordinate points
Cheng Zhong, the priority in geographical position is followed successively by city, and -- -- road -- province -- country, successfully obtains and returns secondary provincial unit
The language used by geographic location address information follows the language used at present by user terminal system.If now, the ground of return
Reason location address information is sky, then this time obtain the failure of geographic location address information, then switch geographical Gray code interface, using replacing
Benefit scheme continues to obtain geographic location address information.If now, the geographic location address information of return is not then obtained into for sky
Work(, is next then to judge whether acquired information is effective information, that is, judges that acquired geographic location address information is
No meet priority and be followed successively by city that -- -- road -- province -- country, if the field for meeting and returning is for even for secondary provincial unit
Continuous legal readable field, then be effective information.After success obtains effective geographic location address information, to the geographical position
The corresponding geographic location address information of coordinate points carries out memory cache, while carrying out more to locally stored geographical position coordinates point
Newly, if obtain geographical location information invalid if starting step 4；The acquisition service of geographic location address information is to follow geographical position
Put what coordinate points renewal was carried out, after updating to locally stored geographical position coordinates point every time, geographic location address will be started
The acquisition service of information.
Step 04：If obtaining the failure of geographic location address information or acquired geographic location address information being invalid,
Then switch the interface of geographical Gray code at once, the corresponding geographic location address information of coordinate points is reacquired, that is, restarts step
Rapid 2；In the present embodiment, it is preferable that when first scheme obtains the failure of geographic location address information, be then switched to use at once
Google Maps Geocoding API is obtaining geographic location address information, and the program successfully obtains the accurate of effective information
Spend for return geographic location address information in " address_components " and the second level, return geographic location address letter
The language of breath equally follows the language used by current system.
Preferably, if be repeated several times, the failure of geographic location address information or acquired geographic location address letter are obtained
Breath is invalid, then with locally stored, memory cache is updated to null character string.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of without departing from the inventive method, can also make some improvement and supplement, and these improve and supplement also should be regarded as
Protection scope of the present invention.
Claims (4)
1. asynchronous acquisition methods in a kind of geographical position, it is characterised in that comprise the steps：
Step 01：Obtain locally stored geographical position coordinates point；
Step 02：The corresponding geographic location address information of the coordinate points is obtained by geographical Gray code；
Step 03：If successfully geographic location address information is obtained, whether effectively acquired geographic location address information is judged,
Effective then memory cache is carried out to the corresponding geographic location address information of the geographical position coordinates point, while to locally stored
Geographic location address information is updated, invalid then starting step 04.
Step 04：If obtaining the failure of geographic location address information or acquired geographic location address information being invalid, stand
The interface of the geographical Gray code of switching is carved, restarts step 2.
2. asynchronous acquisition methods in a kind of geographical position according to claim 1, it is characterised in that judge institute described in step 02
Effectively whether the geographic location address information of acquisition, meet priority including acquired geographic location address information and be followed successively by city
-- -- road -- province -- country meets and is then judged as being otherwise effectively invalid secondary provincial unit in city.
3. a kind of asynchronous acquisition methods in geographical position according to claim 1, it is characterised in that the acquisition geographical position
Address information unsuccessfully includes, acquired geographic location address information is sky.
4. a kind of asynchronous acquisition methods in geographical position according to claim 1, it is characterised in that geographic location address information
Obtain service be that the renewal for following geographical position coordinates point is carried out in real time, every time to locally stored geographical position coordinates point
The acquisition service of geographic location address information after renewal, will be started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078316.8A CN106454743B (en) | 2016-11-29 | 2016-11-29 | Asynchronous acquisition method of geographic position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078316.8A CN106454743B (en) | 2016-11-29 | 2016-11-29 | Asynchronous acquisition method of geographic position |
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| Publication Number | Publication Date |
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| CN106454743A true CN106454743A (en) | 2017-02-22 |
| CN106454743B CN106454743B (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611078316.8A Active CN106454743B (en) | 2016-11-29 | 2016-11-29 | Asynchronous acquisition method of geographic position |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110837605A (en) * | 2019-10-17 | 2020-02-25 | 贝壳技术有限公司 | Low-flow consumption quick positioning method |
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| CN104867402A (en) * | 2014-02-25 | 2015-08-26 | 高德软件有限公司 | Offline reverse geocoding method, device thereof and terminal equipment |
| CN104917895A (en) * | 2015-06-09 | 2015-09-16 | 小米科技有限责任公司 | Positioning system selection method and device and terminal |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1939757A2 (en) * | 2006-12-28 | 2008-07-02 | Group 1 Software, Inc. | Universal address parsing system and method |
| CN103167604A (en) * | 2013-03-01 | 2013-06-19 | 海南久其云计算科技有限公司 | Method and system of mobile communication terminal information report |
| US20150185041A1 (en) * | 2013-10-04 | 2015-07-02 | Uber Technologies, Inc. | Determining location information using a location data point provided by a computing device |
| CN104867402A (en) * | 2014-02-25 | 2015-08-26 | 高德软件有限公司 | Offline reverse geocoding method, device thereof and terminal equipment |
| CN103957502A (en) * | 2014-04-04 | 2014-07-30 | 小米科技有限责任公司 | Location-based service program selecting method, device and terminal |
| CN104917895A (en) * | 2015-06-09 | 2015-09-16 | 小米科技有限责任公司 | Positioning system selection method and device and terminal |
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| CN110837605A (en) * | 2019-10-17 | 2020-02-25 | 贝壳技术有限公司 | Low-flow consumption quick positioning method |
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| CN106454743B (en) | 2020-03-24 |
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