| Summary: | 碩士 === 育達科技大學 === 資訊管理所 === 102 === In this study, GPS positioning in search of a safe distance from the target detection and positioning two applications, in addition to be able to locate your current position is also able to track the Server end users who have logged over rough location. The method used in this study was through MySQL, Tomcat, Google API combined with Android SDK to achieve GPS positioning, positioning location information is recorded and stored in the database through the Server to facilitate the calculation of the separation distance between the two, if more than a safe distance, the through Server passes the message to both smart devices, smart devices will be issued both to show the warning alarm sounds, take to have maintained a safe distance or efficiency targets and searchers know the distance, so that the search range effectively reduced to to achieve the purpose of tracking.
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