Big Planet Tracks 一个不错的 Android 开源地图

BigPlanetTracks是一款在线离线地图应用，可导入、导出和记录GPS轨迹，并显示实时速度、距离、海拔等统计数据。

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最近在学习 Android 地图相关的知识，无意间找到了一个非常好的开源项目，特此分享。

项目地址：http://code.google.com/p/big-planet-tracks/

注：上面网站中的程序编译可能会出错，特上传一份成功编译的源码。

Big Planet Tracks

Big Planet Tracks is an online/offline maps application that can import, export and record your GPS tracks, and shows live/real-time statistics such as time, speed, distance, and elevation.

For more information, please see the changelog, copyright and license.

Features

Maps Usage
- Online maps (Network needed)
- Offline maps (SQLite database created by using Mobile Atlas Creator 1.7 or 1.8)
- Change different SQLite database maps dynamically (e.g. Taiwan.sqlitedb, Japan.sqlitedb, and so on.)
- Map zoom in/out
- Go to my location (i.e. auto-follow the GPS locations) on the map
- Search (Network needed)
- Bookmarks
- Adjust map offset (mainly solve the map shift issue in China)
- Reference scale on the map
- Keep the screen on when viewing the map
- Orange arrow for indicating the phone's direction using the magnetic heading function from source code of MyTracks
- Map magnifications (including 1.5x, 2.0x, 2.5x, 3.0x levels)
GPS Tracks Management
- Import GPS track files (.gpx) into the database
- Record GPS track and display on the map simultaneously
- Export GPS track to a file (.gpx)
- Show a GPS track's time, distance, average speed, maximum speed and number of waypoints
- Full support all timezones, show the correct GMT time of GPS tracks
- Display the loaded track and the recording track on the map simultaneously
- Enable the background service when recording a track
Full support for different screen resolutions of the mobile phones