我想从Parse Cloud加载图片。我已经使用从Parse Cloud加载的照片创建了自定义标记。照片标记图标工作得很好。但是当我点击标记图标时，我想启动并传递意图。但无论我选择在意图中选择哪个选项，它只能查看我的Parse类中的第一个对象。查看地图here的屏幕截图。当我点击任何图像时，相同的图像即第一个对象在类中加载。
super.onCreate（savedInstanceState）; 的setContentView（R.layout.map_fragment）; mapFragment =（SupportMapFragment）getSupportFragmentManager（）。findFragmentById（R.id.map）;
mHandler.postDelayed(new Runnable() {
public void run() {
onResume();
}
}, 3000);
mylocation = MainActivity.mlastlocation;
// Gets to GoogleMap from the MapView and does initialization stuff
mapFragment.getMap().setMyLocationEnabled(true);
// Enable the current location "blue dot"
mapFragment.getMap().setOnCameraChangeListener(new GoogleMap.OnCameraChangeListener() {
public void onCameraChange(CameraPosition position) {
if (mylocation == null) {
Toast.makeText(MapFeedsFragment.this, "null", Toast.LENGTH_SHORT).show();
}
if (mylocation != null)
Toast.makeText(MapFeedsFragment.this, "not null", Toast.LENGTH_SHORT).show();
ParseMap aroundposts = new ParseMap();
doMapQuery();
}
});
}
private ParseGeoPoint geoPointFromLocation(Location location) {
latitude = location.getLatitude();
longitude = location.getLongitude();
ParseGeoPoint myloc = new ParseGeoPoint(latitude, longitude);
return myloc;
}
private void doMapQuery() {
final int myUpdateNumber = ++mostRecentMapUpdate;
//Location myLoc = (currentLocation == null) ? lastLocation : currentLocation;
// If location info isn't available, clean up any existing markers
if (mylocation == null) {
cleanUpMarkers(new HashSet<String>());
return;
}
final ParseGeoPoint myPoint = geoPointFromLocation(mylocation);
// Create the map Parse query
ParseQuery<ParseMap> mapQuery = ParseMap.getQuery();
// Set up additional query filters
//mapQuery.whereWithinKilometers("location", myPoint, MAX_POST_SEARCH_DISTANCE);
mapQuery.include("user");
mapQuery.orderByDescending("createdAt");
//mapQuery.setLimit(MAX_POST_SEARCH_RESULTS);
// Kick off the query in the background
mapQuery.findInBackground(new FindCallback<ParseMap>() {
@Override
public void done(List<ParseMap> objects, ParseException e) {
if (e != null) {
//if (Application.APPDEBUG) {
// Log.d(Application.APPTAG, "An error occurred while querying for map posts.", e);
//}
return;
}
/*
* Make sure we're processing results from
* the most recent update, in case there
* may be more than one in progress.
*/
if (myUpdateNumber != mostRecentMapUpdate) {
return;
}
// Posts to show on the map
Set<String> toKeep = new HashSet<String>();
// Loop through the results of the search
for (final ParseMap post : objects) {
// Add this post to the list of map pins to keep
toKeep.add(post.getObjectId());
// Check for an existing marker for this post
Marker oldMarker = mapMarkers.get(post.getObjectId());
// Set up the map marker's location
String uri = post.getPhotoThumb().getUrl();
// final MarkerOptions finalMarkerOpts = markerOpts;
Picasso.with(MapFeedsFragment.this)
.load(uri)
.resize(100,100)
.centerCrop()
.into(new Target() {
@Override
public void onBitmapLoaded(final Bitmap bitmap, Picasso.LoadedFrom from) {
/* Save the bitmap or do something with it here */
final MarkerOptions markerOpts =
new MarkerOptions().position(new LatLng(post.getLocation().getLatitude(), post
.getLocation().getLongitude())).icon(BitmapDescriptorFactory.fromBitmap(bitmap)).title(post.getUser());
// Add a new marker
Marker marker = mapFragment.getMap().addMarker(markerOpts);
mapMarkers.put(post.getObjectId(), marker);
mapMarkers.put(post.getVideo().getUrl(),marker);
mapMarkers.put(post.getUserId(),marker);
mapMarkers.put(String.valueOf(post.getViews()),marker);
}
@Override
public void onBitmapFailed(Drawable errorDrawable) {
}
@Override
public void onPrepareLoad(Drawable placeHolderDrawable) {
}
});
mapFragment.getMap().setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() {
@Override
public boolean onMarkerClick(Marker marker) {
Intent intent = new Intent (MapFeeds.this,PhotoView.class);
intent.putExtra("objectId",post.getObjectId());
intent.putExtra("photo", String.valueOf(post.getPhoto().getUrl()));
intent.putExtra("userId",post.getUserId());
intent.putExtra("objectId",post.getObjectId());
startActivity(intent);
return false;
}
});
}
}
});
}