Difference between revisions of "Location Based Services"
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Modern mobile phones store geographic information, GPS coordinates, wifi networks, mobile cells. | Modern mobile phones store geographic information, GPS coordinates, wifi networks, mobile cells. | ||
| − | + | = IOS = | |
* Stores wifi networks: | * Stores wifi networks: | ||
| Line 12: | Line 12: | ||
* Data used ..? | * Data used ..? | ||
| − | == Android | + | = Android = |
| − | + | Android's location services stores information for caching reasons in two database files to speed up your GPS fix. | |
| − | + | == Information stored == | |
| + | === Location on your device === | ||
* /data/data/com.google.android.location/files | * /data/data/com.google.android.location/files | ||
** cache.wifi | ** cache.wifi | ||
** cache.cell | ** cache.cell | ||
| − | === | + | === Database === |
* Database is limited to: | * Database is limited to: | ||
** 200 Wi-Fi entries | ** 200 Wi-Fi entries | ||
** 50 Cell entries | ** 50 Cell entries | ||
| + | {| border="1" cellspacing="0" cellpadding="5" | ||
| + | |Value || Type || Description | ||
| + | |- | ||
| + | |accuracy || int || | ||
| + | |- | ||
| + | |confidence || int || | ||
| + | |- | ||
| + | |latitude || double || | ||
| + | |- | ||
| + | |longitude || double || | ||
| + | |- | ||
| + | |readingTime || long || | ||
| + | |} | ||
| − | + | == Settings == | |
* Settings -> Location & Security -> Use wireless networks | * Settings -> Location & Security -> Use wireless networks | ||
** when ticked: stores information in two databases | ** when ticked: stores information in two databases | ||
Revision as of 00:57, 27 April 2011
Modern mobile phones store geographic information, GPS coordinates, wifi networks, mobile cells.
Contents
IOS
- Stores wifi networks:
- BSSID, Location, Accuracy, Timestamp, ...
- Stores mobile geo information:
- your providers cell towers, Cell Numer, Location, ...
- Database without size limit
- Sends data how?
- Correlates with GPS
- Data used ..?
Android
Android's location services stores information for caching reasons in two database files to speed up your GPS fix.
Information stored
Location on your device
- /data/data/com.google.android.location/files
- cache.wifi
- cache.cell
Database
- Database is limited to:
- 200 Wi-Fi entries
- 50 Cell entries
| Value | Type | Description |
| accuracy | int | |
| confidence | int | |
| latitude | double | |
| longitude | double | |
| readingTime | long |
Settings
- Settings -> Location & Security -> Use wireless networks
- when ticked: stores information in two databases
- when un-ticked: no information get's stored on your device
Location Settings
Google informs you that they will use your information
