Send mobile location by SMS when certain wifi device not connected to Mobile HotSpot

* Required with the program : the source code with a good comments to enable us to understand it • The program should work on android 4.2 and higher versions ,5, 6, 7 , ( to the latest one) • The program runs at mobile startup automatically ( without user interaction) and never stop operation unless the user stop the program operation himself [ by clicking exit] ************************************************************************************************************* *** After program Startup at the first time : The user fill the setting data : certain wifi device MAC address , time interval X , mobile numbers and click save ************************************************************************************************************* *** After program Startup after the first time : *the program write GPS status (ON/OFF) in status in the activity page [always updated] (COLORS AS IN THE ATTACHED ACTIVITY) *the program write HOTSPOT status (ON/OFF/Device Connected) in status in the activity page [always updated] (COLORS AS IN THE ATTACHED ACTIVITY) *the user click start button (if he want to start operation) *the user click stop button (if he want to stop operation) ************************************************************************************************************* *** Program Run-Time Operation : **If the user clicked start button : * At Every X seconds ( stated in settings ) and as long as the mobile is powered on [even if the mobile not used for hours]: a- Gets Mobile Location data ( based on GPS / Network ) as long as it is available . b- The program checks : if the mobile Hotspot is connected to certain wifi device ( its MAC address is stated in settings), Nothing happens else : 1- send sms message to three mobile numbers containing Mobile Location automatically ( without user interaction) 2- If the program find that there is a phone call while trying to send sms , the program should terminate the phone call and send the sms automatically without user interaction **If the user clicked stop button : the program stop (sending sms) only ************************************************************************************************************* *** Program After Mobile phone Startup : the program execute last saved command : either start or stop ************************************************************************************************************* * If the user enter only one mobile number , the program sends the sms to this mobile ( the user not forced to enter three mobile numbers) * During program operation If the Location is unavailable , the program can alarm the user either by vibration or tone or both (choose in setting) and if it is unavailable during sms sending , the location is sent and beside it the word "NOT UPDATED" * Any permission required from user , should be taken at application startup because the program designed to operate automatically * If Any special phone configuration is needed , It should be stated with the bid to see if it is accepted or not * If any error during program operation happens , it will appear to the user in the activity in error text field * After saving settings , the program should operate in background • The activity figure will be in the attachment