hi im derzeit tun Schulprojekt und ich weiß nicht, wo ich Buggy bekomme ich glaube nicht, dass mein Code auch falsch ist, bitte helfen Sie mir das ist meine Codes das ist mein ganzes Projekt die Sache, die ich benutze Führung drive.google.com/open?id=0B0MY4kATEXqlMDQyZWprRDhmeUUCameraUpdateFactory.newLatLngZoom gibt null zurück
private void sendRequest() {
String origin = etOrigin.getText().toString();
String destination = etDestination.getText().toString();
String[] destinationArray = {"v.mapa","Vasra","Culiat"};
if (origin.isEmpty()) {
Toast.makeText(this, "Please enter origin address!", Toast.LENGTH_SHORT).show();
return;
}
if (destination.isEmpty()) {
Toast.makeText(this, "Please enter destination address!", Toast.LENGTH_SHORT).show();
return;
}
try {
new DirectionFinder(this, origin, destinationArray[2]).execute();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
try {
new DirectionFinder(this, destinationArray[2], destinationArray[1]).execute();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
@Override
public void onDirectionFinderSuccess(List<Route> routes) {
progressDialog.dismiss();
progressDialog.dismiss();
polylinePaths = new ArrayList<>();
originMarkers = new ArrayList<>();
destinationMarkers = new ArrayList<>();
for (Route route : routes) {
Toast.makeText(
MainActivity.this,
route.startLocation.toString(),
Toast.LENGTH_LONG).show();
// Diese nächsten Zeilen gibt ID LIKE Sring, ich weiß nicht, ob Camera wissen, welche Art von Datentyp Route
googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(route.startLocation, 16));
//((TextView) findViewById(R.id.textView2)).setText(route.duration.text);
//((TextView) findViewById(R.id.textView3)).setText(route.distance.text);
originMarkers.add(googleMap.addMarker(new MarkerOptions()
.icon(BitmapDescriptorFactory.fromResource(R.drawable.start_blue))
.title(route.startAddress)
.position(route.startLocation)));
destinationMarkers.add(googleMap.addMarker(new MarkerOptions()
.icon(BitmapDescriptorFactory.fromResource(R.drawable.end_green))
.title(route.endAddress)
.position(route.endLocation)));
PolylineOptions polylineOptions = new PolylineOptions().
geodesic(true).
color(Color.BLUE).
width(10);
for (int i = 0; i < route.points.size(); i++)
polylineOptions.add(route.points.get(i));
polylinePaths.add(googleMap.addPolyline(polylineOptions));
routes.clear();
}
}
zu werfen versucht
DANN ich Holen Sie sich diese ERROR
Process: com.hci_thesis.thesis_dolph, PID: 4479
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.maps.GoogleMap.moveCamera(com.google.android.gms.maps.CameraUpdate)' on a null object reference
at com.hci_thesis.thesis_dolph.MainActivity.onDirectionFinderSuccess(MainActivity.java:269)
at mods.DirectionFinder.parseJSon(DirectionFinder.java:129)
at mods.DirectionFinder.access$100(DirectionFinder.java:25)
at mods.DirectionFinder$DownloadRawData.onPostExecute(DirectionFinder.java:87)
at mods.DirectionFinder$DownloadRawData.onPostExecute(DirectionFinder.java:58)
at android.os.AsyncTask.finish(AsyncTask.java:632)
at android.os.AsyncTask.access$600(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
T_T aber nichts falsch mit meinem Code Sir –