android获得日升日落时间
获得日升日落时间的关键代码就是下面这个服务，当然要去manifest里注册和启动这个服务
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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 android.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;
import 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 mLongitude = -1;
private final static String TAG = "BacklightService";
private Context mContext;
public static final String ACTION_UPDATE_BACKLIGHT_MODE = "android.intent.action.update.backlightmode";
@Override
public void onCreate() {
super.onCreate();
mContext = this;
Log.d(TAG, "year=");
saveSunSetAanSunRiseTime();
LocationManager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
if (locationManager != null) {
Log.d(TAG, "locationManager");
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 500, mlocationListener);
}
}
@Override
@Deprecated
public IBinder onBind(Intent arg0) {
// 生命期与系统一致，不需要绑定到某个activity
return null;
}
@Override
public 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 mLongitude = 121.54332716666667;
Log.d(TAG, "year=" + year + " month=" + month);
SunRisesAndSetsTime sun = new SunRisesAndSetsTime();
if (year > 2000 && mLatitude != -1 && mLongitude != -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 setMinute = 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);
