Android獲取解析GPS數據

Android獲取解析GPS數據：

1. package title.navi.Location.Impl;
3. import java.text.SimpleDateFormat;
4. import java.util.Date;
6. import org.apache.http.HttpResponse;
7. import org.apache.http.client.methods.HttpGet;
8. import org.apache.http.impl.client.DefaultHttpClient;
9. import org.apache.http.util.EntityUtils;
12. import android.content.Context;
13. import android.location.Location;
14. import android.location.LocationListener;
15. import android.location.LocationManager;
16. import android.location.GpsStatus.NmeaListener;
17. import android.location.LocationProvider;
18. import android.os.Bundle;
19. import android.util.Log;
20. import android.widget.Toast;
22. public class NaviLocation {
24. Context m_ctx;
25. LocationManager m_locationManager;
26. Location m_location;
27. private boolean m_nmea_started = false;
29. private NaviApp m_naviApp;
31. class LocationDebug {
33. }
35. public NaviLocation(Context ctx, NaviApp naviApp) {
36. m_ctx = ctx;
37. m_naviApp = naviApp;
38. }
40. /**
41. * 初始化
42. *
43. * @return
44. */
45. public int initialize() {
46. // 創建LocationManger對象
47. m_locationManager = (LocationManager) m_ctx
48. .getSystemService(Context.LOCATION_SERVICE);
50. // 獲取最後一次GPS定位的位置並上傳
51. m_location = m_locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
53. if( null != m_location )
54. {
55. UploadPos(m_location);
56. }
59. // 綁定監聽，有4個參數
60. // 參數1，設備：有GPS_PROVIDER和NETWORK_PROVIDER兩種
61. // 參數2，位置信息更新周期，單位毫秒
62. // 參數3，位置變化最小距離：當位置距離變化超過此值時，將更新位置信息
63. // 參數4，監聽
64. // 備注：參數2和3，如果參數3不為0，則以參數3為准；參數3為0，則通過時間來定時更新；兩者為0，則隨時刷新
65. // 1秒更新一次，或最小位移變化超過1米更新一次；
66. // 注意：此處更新准確度非常低，推薦在service裡面啟動一個Thread
67. // 在run中sleep(10000);然後執行handler.sendMessage(),更新位置
68. m_locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0,
69. 0, mLocationListener);
72. return 0;
73. }
75. /**
76. * 釋放
77. *
78. * @return
79. */
80. public int uninitialize() {
81. return 0;
82. }
84. /**
85. * 開始nmea接收標志
86. */
87. public void start_receive_nmea() {
88. m_nmea_started = true;
89. }
91. // LocationListener，位置監聽，監聽位置變化，監聽設備開關與狀態
92. LocationListener mLocationListener = new LocationListener() {
94. /**
95. * 位置信息變化時觸發
96. */
97. @Override
98. public void onLocationChanged(Location location) {
100. // 上傳當前位置
101. if (location != null) {
102. m_location = location;
103. UploadPos(location);
104. }
105. }
107. /**
108. * GPS禁用時觸發
109. */
110. @Override
111. public void onProviderDisabled(String provider) {
112. }
114. /**
115. * GPS開啟時觸發
116. */
117. @Override
118. public void onProviderEnabled(String provider) {
119. // Location location=lm.getLastKnownLocation(provider);
120. }
122. /**
123. * GPS狀態變化時觸發
124. */
125. @Override
126. public void onStatusChanged(String provider, int status, Bundle extras) {
127. switch (status) {
128. // GPS狀態為可見時
129. case LocationProvider.AVAILABLE:
130. Log.i("NavJava", "當前GPS狀態為可見狀態");
131. break;
132. // GPS狀態為服務區外時
133. case LocationProvider.OUT_OF_SERVICE:
134. Log.i("NavJava", "當前GPS狀態為服務區外狀態");
135. break;
136. // GPS狀態為暫停服務時
137. case LocationProvider.TEMPORARILY_UNAVAILABLE:
138. Log.i("NavJava", "當前GPS狀態為暫停服務狀態");
139. break;
140. }
141. }
142. };
144. private boolean UploadPos(Location location)
145. {
147. return true;
148. }
150. private String getGPSTime(Location location)
151. {
152. String str = "0";
154. Date date = new Date(location.getTime());
155. SimpleDateFormat dataFormat = new SimpleDateFormat("yyyyMMddHHmmss");
156. str=dataFormat.format(date);
157. return str;
158. }
160. }