SOS Shield

Application for people living alone, sick or traveling in dangerous terrain.

When you first start you must enter at least one phone number. After clicking the SOS button is default SMS sent to the specified phone numbers for assistance and the approximate coordinates of the user's location with a link to the map.
Additional options include:
Send SMS every 15 minutes - after clicking SOS SMS is sent every 15 minutes.
Click OK every 5 minutes - to increase protection every 5 minutes voice app asks you to click on the OK button to make sure that you are safe.
Sound signaling - when you click the SOS application every 5 seconds starts the signal.

Permissions:
ACCESS_FINE_LOCATION - to determine the approximate location based on availability of cell tower and WiFi access points
SEND_SMS - to send SMS to ask for help
WAKE_LOCK - the application does not stop working when the screen turned off