こんにちは、私はいくつかのソースコードをインポートして、Googleマップにピンを表示してドラッグすることをテストしようとしています..Eclipseへのインポートは成功し、デバイスで実行できますが、マップは表示されません..APIについてですか重要な問題？それらを表示するには、新しい API キーを生成する必要がありますか? 私は立ち往生しました誰でも助けることができます..
ここに私がインポートしたプロジェクトがあります
2番目のリンクのソースコードもここにあります。
public class rescue extends MapActivity {
private LocationManager myLocationManager;
private LocationListener myLocationListener;
private MapView myMapView;
private MapController myMapController;
private String provider;
private MyLocationOverlay me=null;
private int defaultLat =(int)(51.51216124955517);
private int defaultLong =(int)(-0.1373291015625);
private GeoPoint defaultGeoPint = new GeoPoint(defaultLat,defaultLong);
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.rescue);
setCurrentLocation();
}
@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
private void setCurrentLocation()
{
myMapView = (MapView)findViewById(R.id.rescueMapView);
myMapView.setTraffic(true);
///myMapView.setBuiltInZoomControls(true);
myMapController = myMapView.getController();
myMapController.setZoom(16); //Fixed Zoom Level
myLocationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
myLocationListener = new MyLocationListener();
try
{
Criteria criteria = new Criteria();
provider = myLocationManager.getBestProvider(criteria, false);
Location location = myLocationManager.getLastKnownLocation(provider);
myLocationManager.requestLocationUpdates(
provider,
0,
0,
myLocationListener);
Location lastLocation = myLocationManager.getLastKnownLocation(provider);
if(lastLocation != null)
{
int lastLocLat =(int)(lastLocation.getLatitude()*1000000);
int lastLocLong =(int)(lastLocation.getLongitude()*1000000);
//Get the current location in start-up
GeoPoint initGeoPoint = new GeoPoint(lastLocLat,lastLocLong);
CenterLocatio(initGeoPoint);
}
else
{
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Location Services Disabled")
.setMessage("The location service on the device are disabled, your location is not able to be found, please call AXA uding the button below to be rescued")
.setCancelable(false)
.setPositiveButton("Drop pin", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
//do things
CenterLocatio(defaultGeoPint);
}
});
builder.create().show();
}
}
catch (Exception e)
{
// TODO: handle exception
Context context = getApplicationContext();
String toasttext = e.getMessage();
int duration = Toast.LENGTH_SHORT;
Toast toast = Toast.makeText(context, toasttext, duration);
toast.show();
}
}
private void CenterLocatio(GeoPoint centerGeoPoint)
{
myMapView.getOverlays().clear();
myMapController.animateTo(centerGeoPoint);
Drawable marker=getResources().getDrawable(R.drawable.marker);
marker.setBounds(0, 0, marker.getIntrinsicWidth(),
marker.getIntrinsicHeight());
int lat = centerGeoPoint.getLatitudeE6();
int lon = centerGeoPoint.getLongitudeE6();
double lat1 = centerGeoPoint.getLatitudeE6()/1E6;
double lon1 = centerGeoPoint.getLongitudeE6()/1E6;
ArrayList<Double> passing = new ArrayList<Double>();
passing.add(lat1);
passing.add(lon1);
Context context = getApplicationContext();
ReverseGeocodeLookupTask task = new ReverseGeocodeLookupTask();
task.applicationContext = context;
task.activityContext = rescue.this;
task.execute(passing);
myMapView.getOverlays().add(new SitesOverlay(marker,lat, lon ));
me=new MyLocationOverlay(this, myMapView);
myMapView.getOverlays().add(me);
};
private class MyLocationListener implements LocationListener{
@Override
public void onLocationChanged(Location argLocation) {
// TODO Auto-generated method stub
GeoPoint myGeoPoint = new GeoPoint(
(int)(argLocation.getLatitude()*1000000),
(int)(argLocation.getLongitude()*1000000));
//CenterLocatio(myGeoPoint);
}
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
public void onStatusChanged(String provider,
int status, Bundle extras) {
// TODO Auto-generated method stub
}
}
private GeoPoint getPoint(int lat, int lon) {
return(new GeoPoint(lat, lon));
/*
return(new GeoPoint((int)(lat*1000000.0),
(int)(lon*1000000.0)));
*/
}
private class SitesOverlay extends ItemizedOverlay<OverlayItem> {
private List<OverlayItem> items=new ArrayList<OverlayItem>();
private Drawable marker=null;
private OverlayItem inDrag=null;
private ImageView dragImage=null;
private int xDragImageOffset=0;
private int yDragImageOffset=0;
private int xDragTouchOffset=0;
private int yDragTouchOffset=0;
public SitesOverlay(Drawable marker, int lat, int longitude) {
super(marker);
this.marker=marker;
dragImage=(ImageView)findViewById(R.id.drag);
xDragImageOffset=dragImage.getDrawable().getIntrinsicWidth()/2;
yDragImageOffset=dragImage.getDrawable().getIntrinsicHeight();
items.add(new OverlayItem(getPoint(lat,
longitude),
"UN", "United Nations"));
/*
items.add(new OverlayItem(getPoint(40.76866299974387,
-73.98268461227417),
"Lincoln Center",
"Home of Jazz at Lincoln Center"));
*/
populate();
}
@Override
protected OverlayItem createItem(int i) {
return(items.get(i));
}
@Override
public void draw(Canvas canvas, MapView mapView,
boolean shadow) {
super.draw(canvas, mapView, shadow);
boundCenterBottom(marker);
}
@Override
public int size() {
return(items.size());
}
@Override
public boolean onTouchEvent(MotionEvent event, MapView mapView) {
final int action=event.getAction();
final int x=(int)event.getX();
final int y=(int)event.getY();
boolean result=false;
if (action==MotionEvent.ACTION_DOWN) {
for (OverlayItem item : items) {
Point p=new Point(0,0);
myMapView.getProjection().toPixels(item.getPoint(), p);
if (hitTest(item, marker, x-p.x, y-p.y)) {
result=true;
inDrag=item;
items.remove(inDrag);
populate();
xDragTouchOffset=0;
yDragTouchOffset=0;
setDragImagePosition(p.x, p.y);
dragImage.setVisibility(View.VISIBLE);
xDragTouchOffset=x-p.x;
yDragTouchOffset=y-p.y;
break;
}
}
}
else if (action==MotionEvent.ACTION_MOVE && inDrag!=null) {
setDragImagePosition(x, y);
result=true;
}
else if (action==MotionEvent.ACTION_UP && inDrag!=null) {
dragImage.setVisibility(View.GONE);
GeoPoint pt=myMapView.getProjection().fromPixels(x-xDragTouchOffset,
y-yDragTouchOffset);
String title = inDrag.getTitle();
OverlayItem toDrop=new OverlayItem(pt, title,
inDrag.getSnippet());
items.add(toDrop);
populate();
double lat = pt.getLatitudeE6()/1E6;
double lon = pt.getLongitudeE6()/1E6;
ArrayList<Double> passing = new ArrayList<Double>();
passing.add(lat);
passing.add(lon);
Context context = getApplicationContext();
ReverseGeocodeLookupTask task = new ReverseGeocodeLookupTask();
task.applicationContext = context;
task.activityContext = rescue.this;
task.execute(passing);
//CenterLocatio(pt);
inDrag=null;
result=true;
}
return(result || super.onTouchEvent(event, mapView));
}
private void setDragImagePosition(int x, int y) {
RelativeLayout.LayoutParams lp=
(RelativeLayout.LayoutParams)dragImage.getLayoutParams();
lp.setMargins(x-xDragImageOffset-xDragTouchOffset,
y-yDragImageOffset-yDragTouchOffset, 0, 0);
dragImage.setLayoutParams(lp);
}
}
public class ReverseGeocodeLookupTask extends AsyncTask <ArrayList<Double>, Void, String>
{
private ProgressDialog dialog;
protected Context applicationContext;
protected Context activityContext;
@Override
protected void onPreExecute()
{
this.dialog = ProgressDialog.show(activityContext, "Please wait",
"Requesting location", true);
}
protected String doInBackground(ArrayList<Double>... params)
{
String foundAddress = "";
String localityName = "";
ArrayList<Double> passed = params[0];
double lat = passed.get(0);
double lon = passed.get(1);
try
{
List<Address> addresses = new Geocoder(applicationContext,Locale.getDefault()).getFromLocation(lat,lon, 1);
if (addresses.size() > 0)
{
String addressLine = "";
for(Integer i = 0; i < addresses.get(0).getMaxAddressLineIndex(); i++)
{
if(!addressLine.equals(""))
{
addressLine+= ", ";
}
addressLine+= addresses.get(0).getAddressLine(i);
}
if(addressLine!="")
{
foundAddress+= addressLine;
}
}
}
catch (Exception e) {
}
finally
{
}
return foundAddress;
}
@Override
protected void onPostExecute(String result)
{
this.dialog.cancel();
showToast(result);
}
}
public void showToast(String message)
{
Context context = getApplicationContext();
String toasttext = message;
int duration = Toast.LENGTH_SHORT;
Toast toast = Toast.makeText(context, toasttext, duration);
toast.show();
}
}
アイデアをありがとう
ここにレイアウトxmlがあります
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical" android:id="@+id/rescue_rel_layout"
android:gravity="top" android:background="#fff">
<RelativeLayout android:layout_width="fill_parent"
android:layout_height="45dp" android:id="@+id/rescue_top_control_bar"
android:background="#FFFFFF" android:gravity="center_vertical">
<TextView android:id="@+id/rescueText"
android:layout_width="wrap_content"
android:layout_height="55dp"
android:text="Where are you ?"
android:gravity="center_vertical|center_horizontal"
android:textSize="20dp"
android:textStyle="bold"
android:textColor="#1D0073"
android:layout_weight="1.0"
android:layout_centerInParent="true"
/>
</RelativeLayout>
<LinearLayout android:id="@+id/LinearLayout01"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:layout_below="@id/rescue_top_control_bar"
android:orientation="vertical">
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ff0000"
>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ff0000"
android:layout_weight="1"
>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ff0000"
android:layout_weight="1"
>
<com.google.android.maps.MapView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:foregroundGravity="top"
android:apiKey=""
android:clickable="true"
android:layout_weight="1"
android:id="@+id/rescueMapView"
/>
<ImageView android:id="@+id/drag"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/marker_up"
android:visibility="gone"
/>
</RelativeLayout>
<LinearLayout
android:id="@+id/loader"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#000"
android:layout_alignParentBottom="true"
android:visibility="invisible"
>
</LinearLayout>
</RelativeLayout>
</RelativeLayout>
</LinearLayout>
