How to track the location of a friend's mobile phone with high accuracy?

At present, we can only locate each other by sharing the geographical location of both parties through their high-tech map clients.

Gaode Map is a first-class free map navigation product in China, and it is also the most comprehensive and informative mobile phone map based on location-based life service. It is provided by Goldtech Software, the largest provider of electronic maps, navigation and LBS services in China.

The company landed on the Nasdaq global select market on 20 10. Gaode has Grade A qualification of navigation electronic map, Grade A qualification of surveying and mapping aerial photography and Grade A qualification of Internet map service, and its high-quality electronic map database has become the core competitiveness of the company.

20/kloc-in may, 2003, Alibaba acquired about 28% shares of gaode software for 294 million dollars. In 20 14, Alibaba will acquire the remaining 72% shares of gaode company in cash of 1 1 billion dollars. On 20 15 65438+ 10/8, gaode released the indoor map version of gaode map to provide users with services such as architectural map, indoor positioning and indoor route planning.

20151June 12, Yu Yongfu, president of Alibaba mobile business group and president of gaode, said that due to the early completion of the annual task of gaode map, employees were given a "red envelope for meritorious service".

20 16 February, the official announcement of gaode map said that by the end of 10, the number of users of gaode map had exceeded 500 million. On 20 18 1.5, gaode map announced that it had jointly launched the "National Global Tourism Holographic Information Service System" with the National Tourism Administration.