我在下一行
收到致命异常lm.requestLocationUpdates（LocationManager.NETWORK_PROVIDER，0,0，ll）;
完成错误日志::
06-02 17:07:45.953: D/AndroidRuntime(8179): Shutting down VM
06-02 17:07:45.953: W/dalvikvm(8179): threadid=1: thread exiting with uncaught exception (group=0x40018578)
06-02 17:07:46.031: E/AndroidRuntime(8179): FATAL EXCEPTION: main
06-02 17:07:46.031: E/AndroidRuntime(8179): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.nirbhaya/com.example.nirbhaya.CurrentDetails}: java.lang.SecurityException: Provider network requires ACCESS_FINE_LOCATION or ACCESS_COARSE_LOCATION permission
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.os.Handler.dispatchMessage(Handler.java:99)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.os.Looper.loop(Looper.java:130)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.app.ActivityThread.main(ActivityThread.java:3687)
06-02 17:07:46.031: E/AndroidRuntime(8179): at java.lang.reflect.Method.invokeNative(Native Method)
06-02 17:07:46.031: E/AndroidRuntime(8179): at java.lang.reflect.Method.invoke(Method.java:507)
06-02 17:07:46.031: E/AndroidRuntime(8179): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
06-02 17:07:46.031: E/AndroidRuntime(8179): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
06-02 17:07:46.031: E/AndroidRuntime(8179): at dalvik.system.NativeStart.main(Native Method)
06-02 17:07:46.031: E/AndroidRuntime(8179): Caused by: java.lang.SecurityException: Provider network requires ACCESS_FINE_LOCATION or ACCESS_COARSE_LOCATION permission
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.os.Parcel.readException(Parcel.java:1322)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.os.Parcel.readException(Parcel.java:1276)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.location.ILocationManager$Stub$Proxy.requestLocationUpdates(ILocationManager.java:646)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.location.LocationManager._requestLocationUpdates(LocationManager.java:582)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.location.LocationManager.requestLocationUpdates(LocationManager.java:446)
06-02 17:07:46.031: E/AndroidRuntime(8179): at com.example.nirbhaya.CurrentDetails.onCreate(CurrentDetails.java:65)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-02 17:07:46.031: E/AndroidRuntime(8179): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
06-02 17:07:46.031: E/AndroidRuntime(8179): ... 11 more
以及 CurrentDetails.java 的完整代码： 包com.example.nirbhaya;
public class CurrentDetails extends Activity implements OnClickListener{
Button ok = null;
EditText loc = null,comeby = null,name = null;
TimePicker setTime;
String location,Name,comingby,destTime;
boolean GPS,flag;
String cityName=null;
String subCityName = null;
String SubThorugh = null;
String Through = null;
Intent i;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.currentdetails);
ok = (Button)findViewById(R.id.bOK);
loc = (EditText)findViewById(R.id.etPreLoc);
comeby = (EditText)findViewById(R.id.etComing);
name = (EditText)findViewById(R.id.etDriver);
setTime = (TimePicker)findViewById(R.id.timePicker1);
i = getIntent();
GPS = i.getBooleanExtra("GPSneed", false);
ok.setOnClickListener(this);
if(GPS)
{
flag = displayGpsStatus();
if (flag)
{
LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
LocationListener ll = new mylocationlistener();
lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, ll);
}
else
{
alertbox("Gps Status!!", "Your GPS is: OFF");
}
}
String g = String.valueOf(GPS);
Toast.makeText(getApplicationContext(), "GPS is: "+g , Toast.LENGTH_LONG).show();
}
@Override
private class mylocationlistener implements LocationListener
{
@Override
public void onLocationChanged(Location location)
{
if (location != null)
{
Log.d("LOCATION CHANGED", location.getLatitude() + "");
Log.d("LOCATION CHANGED", location.getLongitude() + "");
Geocoder gcd = new Geocoder(getBaseContext(), Locale.getDefault());
List<Address> addresses;
try
{
addresses = gcd.getFromLocation(location.getLatitude(), location.getLongitude(), 1);
if (addresses.size() > 0)
System.out.println(addresses.get(0).getLocality());
cityName=addresses.get(0).getLocality();
subCityName = addresses.get(0).getSubLocality();
SubThorugh = addresses.get(0).getSubThoroughfare();
Through = addresses.get(0).getThoroughfare();
} catch (IOException e)
{
e.printStackTrace();
}
}
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
}
答案 0 :(得分：1)
打开AndroidManifest.xml文件并添加所需的权限
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />