Android receives sunrise and sunset time

The key code to get the sunrise and sunset time is the following service. Of course, you must register and start this service in manifest.

Package COM. android. options; import android. app. service; import Java. io. bufferedreader; import Java. io. file; import Java. io. filenotfoundexception; import Java. io. fileoutputstream; import Java. io. filereader; import Java. text. simpledateformat; import Java. util. date; import android. content. sharedpreferences; import android. media. audiomanager; import android. OS. ibinder; import android. app. canbusmanager; import Droid. content. broadcastreceiver; import android. content. contentresolver; import android. content. context; import android. content. intent; import android. provider. settings; import android. util. log; import android. widget. toast; import android. OS. bundle; import android. location. location; import android. location. locationlistener; import android. location. locationmanager; import android. location. locationutils; impor T android. location. chinalocation; import Java. util. calendar; import Java. util. timer; import Java. util. timertask; public class backlightservice extends Service {Private Static double mlatitude =-1; Private Static double mlongpolling =-1; private final static string tag = "backlightservice"; private context mcontext; public static final string action_update_backlight_mode = "android. intent. action. update. ba Cklightmode "; @ overridepublic void oncreate () {super. oncreate (); mcontext = This; log. D (TAG, "year ="); savesunsetaansunrisetime (); locationmanager = (locationmanager) getsystemservice (location_service); If (locationmanager! = NULL) {log. D (TAG, "locationmanager"); locationmanager. requestlocationupdates (locationmanager. gps_provider, 2000,500, mlocationlistener) ;}@ override @ deprecatedpublic ibinder onbind (intent arg0) {// the life cycle is the same as that of the system and does not need to be bound to a certain activityreturn NULL ;} @ overridepublic void ondestroy () {super. ondestroy (); // locationmanager. removeupdates (mlocationlistener);} private void savesunsetaansunrisetime () {calendar today = Calendar. getinstance (); int year = 2013; int month = 0; int day = 16; double mlatitude = 31.308928833333333; double mlongpolling = 121.54332716666667; log. D (TAG, "year =" + year + "month =" + month); sunrisesandsetstime sun = new sunrisesandsetstime (); If (Year> 2000 & mlatitude! =-1 & mlongpolling! =-1) {sun. setdate (year, month + 1, day); double MLAT = 31.308928833333333; double mlong = 121.54332716666667; log. D (TAG, "Start"); Sun. setlat (MLAT); Sun. setlong (mlong); Sun. init (); int [] time1 = sun. getrisetime (); int risehour = time1 [0]; int riseminute = time1 [1]; log. D (TAG, "risehour =" + risehour + "riseminute =" + riseminute); int [] time2 = sun. getsettime (); int sethour = time2 [0]; int setminu Te = time2 [1]; log. D (TAG, "sethour =" + sethour + "setminute =" + setminute); If (risehour> = 0 & risehour <= 23) settings. system. putint (mcontext. getcontentresolver (), settings. system. daytime_hour, risehour); If (riseminute> = 0 & riseminute <= 59) settings. system. putint (mcontext. getcontentresolver (), settings. system. daytime_minutes, riseminute); If (sethour> = 0 & sethour <= 23) settings. system. Putint (mcontext. getcontentresolver (), settings. system. darknight_hour, sethour); If (setminute> = 0 & setminute <= 59) settings. system. putint (mcontext. getcontentresolver (), settings. system. darknight_minutes, setminute); intent I = new intent (action_update_backlight_mode); mcontext. sendbroadcast (I) ;}} private locationlistener mlocationlistener = new locationlistener () {// called when the locatio N has changed. public void onlocationchanged (location) {// todo auto-generated method stub log. D (TAG, "location changed: Location =" + location. tostring (); If (location! = NULL) {chinalocation china_lc = locationutils. wgtochina (location. getlongpolling (), location. getlatitude (); mlong1_= china_lc.china_lng; mlatloud = china_lc.china_lat; // more log. D (TAG, "location changed: latitude =" + mlatitude + ", longpolling =" + mlongpolling); // updatestat (mlatitude, mlongpolling); savesunsetaansunrisetime ();}} // called when the provider is disabled by the user. public Void onproviderdisabled (string provider) {// todo auto-generated method stub log. D (TAG, "location provider is disabled by the user");} // called when the provider is enabled by the user. public void onproviderenabled (string provider) {// todo auto-generated method stub log. D (TAG, "location provider is disabled by the user");} // called when the provider status changes. public void onstatuschan Ged (string provider, int status, bundle extras) {// todo auto-generated method stub log. D (TAG, "location provider status changes; provider =" + provider + ", status =" + status + ", extras =" + Extras. tostring () ;}}; public class sunrisesandsetstime {Private Static final string tag = "sunrisesandsetstime"; private int days_of_month_1 [] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; priva Te int days_of_month_2 [] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31 }; private Static final double H =-0.833; Private Static final double Pi = 3.1415926; private int latdegree = 0; private int latdinute = 0; private int latsecond = 0; private double uto = 180.0; private int longdegree = 0; private int longdinute = 0; private int longsecond = 0; private int year, month, date; Public void setdate (int Myear, int mmonth, int mdate) {year = myear; month = mmonth; Date = mdate; log. D (TAG, "year =" + year + "month =" + month + "date =" + date);} public void setlat (double MLAT) {log. D (TAG, "setlat"); latdegree = (INT) MLAT; double num1 = (MLAT % 1) * 60; latdinute = (INT) num1; double num2 = (num1% 1) * 60; latsecond = (INT) num2; log. D (TAG, "latdegree =" + latdegree + "latdinute =" + latdinute + "latsecond =" + Latsecond);} public void setlong (double mlong) {log. D (TAG, "setlong"); longdegree = (INT) mlong; double num1 = (mlong % 1) * 60; longdinute = (INT) num1; double num2 = (num1% 1) * 60; longsecond = (INT) num2; log. D (TAG, "longdegree =" + longdegree + "longdinute =" + longdinute + "longsecond =" + longsecond);} Boolean leap_year (INT year) {If (Year % 400 = 0) | (Year % 100! = 0) & (Year % 4 = 0) return true; elsereturn false;} int days (INT year, int month, int date) {int I, a = 0; for (I = 2000; I <year; I ++) {If (leap_year (I) A = a + 366; elsea = a + 365 ;} if (leap_year (year) {for (I = 0; I <month-1; I ++) {A = a + days_of_month_2 [I] ;}} else {for (I = 0; I <month-1; I ++) {A = a + days_of_month_1 [I] ;}} A = a + date; return ;} double t_century (INT days, double UTO) {return (double) days + uto/360)/36525;} double l_sun (double t_century) {return (280.460 + 36000.770 * t_century);} double g_sun (double t_century) {return (357.528 + 35999.050 * t_century);} double transaction tic_long1_( double l_sun, double g_sun) {return (l_sun + 1.915 * Math. sin (g_sun * PI/180) + 0.02 * Math. sin (2 * g_sun * PI/180);} double earth_tilt (double t_century) {return (23.4393-0.0130 * t_century);} double sun_deviation (double earth_tilt, double maid) {return (180/pI * Math. asin (math. sin (PI/180 * earth_tilt) * Math. sin (PI/180 * effectic_long1_));} double GHA (double Uto, double g_sun, double effectic_long1_) {return (UTO-180-1.915 * Math. sin (g_sun * PI/180)-0.02 * Math. sin (2 * g_sun * PI/180) + 2.466 * Math. sin (2 * ecliptic_long1_* PI/180)-0.053 * Math. sin (4 * effectic_long1_* PI/180);} Double E (double H, double glat, double sun_deviation) {return 180/pI * Math. ACOs (math. sin (H * PI/180)-math. sin (glat x pi/180) * Math. sin (sun_deviation * PI/180)/(math. cos (glat x pi/180) * Math. cos (sun_deviation * PI/180);} double ut_rise (double Uto, double GHA, double glong, double E) {return (UTO-(GHA + glong + E);} double ut_set (double Uto, double GHA, double glong, double E) {return (UTO-(GHA + glong-E);} double result_rise (double ut, double Uto, double glong, double glat, int year, int month, int date) {double D; If (UT> = UTO) d = Ut-Uto; elsed = uto-ut; If (d >=0.1) {uto = Ut; ut = ut_rise (UTO, Gha (UTO, g_sun (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, month, date), UTO), g_sun (t_century (days (year, month, date), UTO), glong, E (H, glat, sun_deviation (earth_tilt (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, date), UTO )), g_sun (t_century (days (year, month, date), UTO); result_rise (ut, Uto, glong, glat, year, month, date );} return ut;} double result_set (double ut, double Uto, double glong, double glat, int year, int month, int date) {double D; If (UT> = UTO) D = Ut-Uto; elsed = uto-ut; If (D> = 0.1) {uto = Ut; ut = ut_set (UTO, Gha (UTO, g_sun (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, date), UTO )), g_sun (t_century (days (year, month, date), UTO), glong, E (H, glat, sun_deviation (earth_tilt (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, date), UTO), g_sun (t_century (days (year, month, date ), UTO); result_set (ut, Uto, glong, glat, year, month, date);} return ut;} int zone (double glong) {If (glong> = 0) Return (INT) (glong/15.0) + 1); elsereturn (INT) (glong/15.0) -1);} private double glat, glong; private double rise, set; Public void Init () {log. D (TAG, "init"); glat = latdegree + latdinute/60 + latsecond/3600; // DD. input_glong (c); // C = new int [] {118, 74,023 4}; glong = longdegree + longdinute/60 + longsecond/3600; rise = result_rise (ut_rise (UTO, GHA (UTO, g_sun (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, date), UTO )), g_sun (t_century (days (year, month, date), UTO), glong, E (H, glat, sun_deviation (earth_tilt (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, date), UTO), g_sun (t_century (days (year, month, date ), UTO), Uto, glong, glat, year, month, date); Set = result_set (ut_set (UTO, Gha (UTO, g_sun (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, date), UTO )), g_sun (t_century (days (year, month, date), UTO), glong, E (H, glat, sun_deviation (earth_tilt (t_century (days (year, month, date), UTO), maid (l_sun (t_century (days (year, month, date), UTO), g_sun (t_century (days (year, month, date ), UTO), Uto, glong, glat, year, month, date);} public int [] getrisetime () {// double times = 0; int [] times = new int [2]; Times [0] = (INT) (rise/15 + zone (glong); Times [1] = (INT) (60*(rise/15 + zone (glong)-(INT) (rise/15 + zone (glong); Return times;} public int [] getsettime () {int [] times = new int [2]; Times [0] = (INT) (Set/15 + zone (glong); Times [1] = (INT) (60*(Set/15 + zone (glong)-(INT) (Set/15 + zone (glong); Return times ;}}}