2012-04-24 222 views
0

我試圖讓自己的位置,因爲很長,但我得到一些或其他問題..我已經問了好幾次這個問題..請幫我這個...當我運行這個應用程序它迫使關閉。以下是代碼和日誌貓。獲取緯度和經度

代碼

public class MyLocation { 
Timer timer1; 
LocationManager lm; 
LocationResult locationResult; 
boolean gps_enabled=false; 
boolean network_enabled=false; 

public boolean getLocation(Context context, LocationResult result) 
{ 
    //I use LocationResult callback class to pass location value from MyLocation to user code. 
    locationResult=result; 
    if(lm==null) 
     lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); 

    //exceptions will be thrown if provider is not permitted. 
    try{gps_enabled=lm.isProviderEnabled(LocationManager.GPS_PROVIDER);}catch(Exception ex){} 
    try{network_enabled=lm.isProviderEnabled(LocationManager.NETWORK_PROVIDER);}catch(Exception ex){} 

    //don't start listeners if no provider is enabled 
    if(!gps_enabled && !network_enabled) 
     return false; 

    if(gps_enabled) 
     lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListenerGps); 
    if(network_enabled) 
     lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListenerNetwork); 
    timer1=new Timer(); 
    timer1.schedule(new GetLastLocation(), 20000); 
    return true; 
} 

LocationListener locationListenerGps = new LocationListener() { 
    public void onLocationChanged(Location location) { 
     timer1.cancel(); 
     locationResult.gotLocation(location); 
     lm.removeUpdates(this); 
     lm.removeUpdates(locationListenerNetwork); 
    } 
    public void onProviderDisabled(String provider) {} 
    public void onProviderEnabled(String provider) {} 
    public void onStatusChanged(String provider, int status, Bundle extras) {} 
}; 

LocationListener locationListenerNetwork = new LocationListener() { 
    public void onLocationChanged(Location location) { 
     timer1.cancel(); 
     locationResult.gotLocation(location); 
     lm.removeUpdates(this); 
     lm.removeUpdates(locationListenerGps); 
    } 
    public void onProviderDisabled(String provider) {} 
    public void onProviderEnabled(String provider) {} 
    public void onStatusChanged(String provider, int status, Bundle extras) {} 
}; 

class GetLastLocation extends TimerTask { 
    public void run() { 
     lm.removeUpdates(locationListenerGps); 
     lm.removeUpdates(locationListenerNetwork); 

     Location net_loc=null, gps_loc=null; 
     if(gps_enabled) 
      gps_loc=lm.getLastKnownLocation(LocationManager.GPS_PROVIDER); 
     if(network_enabled) 
      net_loc=lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); 

     //if there are both values use the latest one 
     if(gps_loc!=null && net_loc!=null){ 
      if(gps_loc.getTime()>net_loc.getTime()) 
       locationResult.gotLocation(gps_loc); 
      else 
       locationResult.gotLocation(net_loc); 
      return; 
     } 

     if(gps_loc!=null){ 
      locationResult.gotLocation(gps_loc); 
      return; 
     } 
     if(net_loc!=null){ 
      locationResult.gotLocation(net_loc); 
      return; 
     } 
     locationResult.gotLocation(null); 
    } 
} 

public static abstract class LocationResult{ 
    public abstract void gotLocation(Location location); 
} 
} 

登錄貓

04-24 11:14:12.692: E/AndroidRuntime(206): Uncaught handler: thread main exiting due to uncaught exception 
04-24 11:14:12.792: E/AndroidRuntime(206): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{your.mehul.namespace/your.mel.namespace.MyLocationActivity}: java.lang.ClassNotFoundException: your.mehul.namespace.MyLocationActivity in loader [email protected] 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.os.Handler.dispatchMessage(Handler.java:99) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.os.Looper.loop(Looper.java:123) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.app.ActivityThread.main(ActivityThread.java:4363) 
04-24 11:14:12.792: E/AndroidRuntime(206): at java.lang.reflect.Method.invokeNative(Native Method) 
04-24 11:14:12.792: E/AndroidRuntime(206): at java.lang.reflect.Method.invoke(Method.java:521) 
04-24 11:14:12.792: E/AndroidRuntime(206): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 
04-24 11:14:12.792: E/AndroidRuntime(206): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 
04-24 11:14:12.792: E/AndroidRuntime(206): at dalvik.system.NativeStart.main(Native Method) 
04-24 11:14:12.792: E/AndroidRuntime(206): Caused by: java.lang.ClassNotFoundException: your.mel.namespace.MyLocationActivity in loader [email protected] 
04-24 11:14:12.792: E/AndroidRuntime(206): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) 
04-24 11:14:12.792: E/AndroidRuntime(206): at java.lang.ClassLoader.loadClass(ClassLoader.java:573) 
04-24 11:14:12.792: E/AndroidRuntime(206): at java.lang.ClassLoader.loadClass(ClassLoader.java:532) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 
04-24 11:14:12.792: E/AndroidRuntime(206): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2409) 
04-24 11:14:12.792: E/AndroidRuntime(206): ... 11 more 

回答

1

嘗試此鏈接:Click Here

如果您已經使用此代碼的任何問題,只是問我

+0

它不顯示座標...但它的運行和顯示公正的Hello World – 2012-04-24 06:20:57

+0

了它...謝謝你! – 2012-04-24 06:22:21

+0

它不斷顯示...我如何刪除它並顯示爲5秒 – 2012-04-24 06:23:54

1

AndroidMAnifest.xml添加您的活動。這個問題不必與GPS座標有關。