com.amap.api.maps2d.CameraUpdateFactory Java Examples

private void cameraMove(LatLng latLng) {

        userMoveCamera = false;
        CameraUpdateFactory factory = new CameraUpdateFactory();
        CameraUpdate cameraUpdate = factory.newLatLngZoom(latLng, (float) 15.5);
        aMap.animateCamera(cameraUpdate, new AMap.CancelableCallback() {
            @Override
            public void onFinish() {
                userMoveCamera = true;
            }

            @Override
            public void onCancel() {
                userMoveCamera = true;
            }
        });
    }
 

private void addChooseMarker() {
    MarkerOptions centerMarkerOption = new MarkerOptions().position(myLocation).icon(chooseDescripter);
    centerMarker = aMap.addMarker(centerMarkerOption);
    centerMarker.setPositionByPixels(mapView.getWidth() / 2, mapView.getHeight() / 2);
    handler.postDelayed(new Runnable() {
        @Override
        public void run() {
            CameraUpdate update = CameraUpdateFactory.zoomTo(17f);
            aMap.animateCamera(update, 1000, new AMap.CancelableCallback() {
                @Override
                public void onFinish() {
                    aMap.setOnCameraChangeListener(AmapActivity.this);
                }
                @Override
                public void onCancel() {
                }
            });
        }
    }, 1000);
}
 

private void initAmap() {
        if (aMap == null) {
            aMap = mapView.getMap();
        }
        aMap.setLocationSource(this);// 设置定位监听
        aMap.setMyLocationEnabled(true);
        aMap.getUiSettings().setZoomControlsEnabled(false);

//        aMap.setMyLocationType(AMap.LOCATION_TYPE_LOCATE);
        CameraUpdate cameraUpdate = CameraUpdateFactory.zoomTo(15);
        aMap.moveCamera(cameraUpdate);

        movingDescriptor = BitmapDescriptorFactory.fromResource(R.drawable.icon_loaction_choose_moving);
        chooseDescripter = BitmapDescriptorFactory.fromResource(R.drawable.icon_loaction_choose);
        successDescripter = BitmapDescriptorFactory.fromResource(R.drawable.icon_usecarnow_position_succeed);

        geocodeSearch = new GeocodeSearch(this);
        geocodeSearch.setOnGeocodeSearchListener(this);
    }
 

private void addChooseMarker() {
    //加入自定义标签
    MarkerOptions centerMarkerOption = new MarkerOptions().position(myLocation).icon(successDescripter);
    centerMarker = aMap.addMarker(centerMarkerOption);
    centerMarker.setPositionByPixels(mapView.getWidth() / 2, mapView.getHeight() / 2);
    handler.postDelayed(new Runnable() {
        @Override
        public void run() {
            CameraUpdate update = CameraUpdateFactory.zoomTo(17f);
            aMap.animateCamera(update, 1000, new AMap.CancelableCallback() {
                @Override
                public void onFinish() {
                    aMap.setOnCameraChangeListener(AMAPLocationActivity.this);
                }

                @Override
                public void onCancel() {
                }
            });
        }
    }, 1000);
}
 

private void initAmap() {
    if (aMap == null) {
        aMap = mapView.getMap();
    }

    if (getIntent().hasExtra("location")) {
        isPerview = true;
        mMsg = getIntent().getParcelableExtra("location");
        tvCurLocation.setVisibility(View.GONE);
        returns.setVisibility(View.GONE);

        if (model) {
            CameraPosition location = new CameraPosition.Builder()
                    .target(new LatLng(mMsg.getLat(), mMsg.getLng())).zoom(18).bearing(0).tilt(30).build();
            show(location);
        } else {
            aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f)
                    .position(new LatLng(mMsg.getLat(), mMsg.getLng())).title(mMsg.getPoi())
                    .snippet(mMsg.getLat() + "," + mMsg.getLng()).draggable(false));
        }
        return;
    }


    aMap.setLocationSource(this);// 设置定位监听
    aMap.setMyLocationEnabled(true);
    aMap.getUiSettings().setZoomControlsEnabled(false);
    aMap.getUiSettings().setMyLocationButtonEnabled(false);
    CameraUpdate cameraUpdate = CameraUpdateFactory.zoomTo(15);//设置缩放监听
    aMap.moveCamera(cameraUpdate);

    successDescripter = BitmapDescriptorFactory.fromResource(R.drawable.icon_usecarnow_position_succeed);
    geocodeSearch = new GeocodeSearch(this);
    geocodeSearch.setOnGeocodeSearchListener(this);
}
 

private void cameraUpdate() {
    LatLng pos = new LatLng(mAircraftLat, mAircraftLng);
    float zoomlevel = (float) 18.0;
    CameraUpdate cu = CameraUpdateFactory.newLatLngZoom(pos, zoomlevel);
    aMap.moveCamera(cu);

}
 

private void cameraUpdate(){
    LatLng pos = new LatLng(droneLocationLat, droneLocationLng);
    float zoomlevel = (float) 18.0;
    CameraUpdate cu = CameraUpdateFactory.newLatLngZoom(pos, zoomlevel);
    aMap.moveCamera(cu);

}
 

private void initMapView() {

        if (aMap == null) {
            aMap = mapView.getMap();
            aMap.setOnMapClickListener(this);// add the listener for click for amap object
        }

        LatLng shenzhen = new LatLng(22.5362, 113.9454);
        aMap.addMarker(new MarkerOptions().position(shenzhen).title("Marker in Shenzhen"));
        aMap.moveCamera(CameraUpdateFactory.newLatLng(shenzhen));
    }
 

@Override
public void onMapClick(LatLng latLng) {
    mCorrectedLatLng = latLng;
    mRealLatLng = getRealLatLng(mCorrectedLatLng);
    mLocationTextView.setText("lon: " + latLng.longitude + "° / lat: " + latLng.latitude + "°");
    mAmap.clear();
    mAmap.addMarker(new MarkerOptions().position(latLng));
    mAmap.animateCamera(CameraUpdateFactory.changeLatLng(latLng));
}
 

@Override
public void onLocationChanged(AMapLocation aMapLocation) {
    mProgressDialog.dismiss();
    if (aMapLocation != null && aMapLocation.getErrorCode() == 0) {
        mCorrectedLatLng = new LatLng(aMapLocation.getLatitude(), aMapLocation.getLongitude());
        mRealLatLng = getRealLatLng(mCorrectedLatLng);
        mAmap.animateCamera(CameraUpdateFactory.zoomTo(17));
        mAmap.animateCamera(CameraUpdateFactory.changeLatLng(mCorrectedLatLng));
        mLocationTextView.setText("lon: " + aMapLocation.getLongitude() + "° / lat: " + aMapLocation.getLatitude() + "°");
        mAmap.clear();
        mAmap.addMarker(new MarkerOptions().position(mCorrectedLatLng));
    }
}
 

@Override
public void onClick(View v) {
    switch (v.getId()) {
        case R.id.myLocation:
            CameraUpdate update = CameraUpdateFactory.changeLatLng(myLocation);
            aMap.animateCamera(update);
            break;
        default:
            break;
    }
}
 

@Override
public void onClick(View v) {
    switch (v.getId()) {
        case R.id.myLocation:
            CameraUpdate update = CameraUpdateFactory.changeLatLng(myLocation);
            aMap.animateCamera(update);
            break;
        default:
            break;
    }
}
 

@Override
public void onMapLoaded() {
    // 设置所有maker显示在当前可视区域地图中
    LatLngBounds bounds = new LatLngBounds.Builder().include(new LatLng(34.341568, 108.940174)).build();

    aMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 10));
}
 

/**
 * 移动镜头到当前的视角。
 *
 * @since V2.1.0
 */
public void zoomToSpan() {
    if (mPois != null && mPois.size() > 0) {
        if (mamap == null)
            return;
        LatLngBounds bounds = getLatLngBounds();
        mamap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 100));
    }
}
 

/**
 * 初始化坐标
 */
private void initLatLng() {
    for (int i = 0; i < mLatLngList.size(); i++) {
        Marker marker = mAMap.addMarker(new MarkerOptions());
        marker.setPosition(mLatLngList.get(i));
        marker.setTitle(String.valueOf(i + 1));
        mAMap.moveCamera(CameraUpdateFactory.changeLatLng(mLatLngList.get(0)));
        mAMap.moveCamera(CameraUpdateFactory.zoomTo(13));
    }
}
 

/**
 * 取得获得的坐标并移动地图到该坐标
 * @param latLonPoint 获得的坐标
 */
@Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
public void onLatLngPointEvent(LatLonPoint latLonPoint) {
    LogUtil.e(TAG, "moveToLatLngPoint()");
    mLatLng = new LatLng(latLonPoint.getLatitude(), latLonPoint.getLongitude());
    aMap.moveCamera(CameraUpdateFactory.changeLatLng(mLatLng));
}
 

@Override
public void onGeocodeSearched(GeocodeResult geocodeResult, int i) {
    LogUtil.e(TAG, "onGeocodeSearched");
    GeocodeAddress geocodeAddress = geocodeResult.getGeocodeAddressList().get(0);
    LatLng latLng = new LatLng(geocodeAddress.getLatLonPoint().getLatitude(),
            geocodeAddress.getLatLonPoint().getLongitude());
    aMap.moveCamera(CameraUpdateFactory.changeLatLng(latLng));
}
 

@Override
public void onMyLocationChange(Location location) {
    LogUtil.e(TAG, "onMyLocationChange");
    GeocodeSearch geocoderSearch = new GeocodeSearch(getContext());
    geocoderSearch.setOnGeocodeSearchListener(this);
    LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
    aMap.moveCamera(CameraUpdateFactory.changeLatLng(latLng));
    LatLonPoint latLonPoint = new LatLonPoint(location.getLatitude(), location.getLongitude());
    RegeocodeQuery query = new RegeocodeQuery(latLonPoint, 10000, GeocodeSearch.AMAP);
    geocoderSearch.getFromLocationAsyn(query);
}
 

@Override
public void onPoiSearched(PoiResult poiResult, int resultCode) {

    if (resultCode != AMapException.CODE_AMAP_SUCCESS) {
        Alog.e("搜索出错了");
        return;
    }

    if (poiResult == null || poiResult.getQuery() == null) {
        Alog.e("没有搜索到结果");
        ToastUtil.show("没有搜索结果!");
        return;
    }

    // 获取搜索的结果
    List<PoiItem> poiItems = poiResult.getPois();

    ViewUtil.setVisibility(mTvPrompt,
            CollectionUtil.isEmpty(poiItems) ? View.VISIBLE : View.GONE);

    mSearchResultAdapter.setSelectedPosition(0);
    mSearchResultAdapter.setItems(poiItems);
    mSearchResultAdapter.setBeginAddress(null);
    mSearchResultAdapter.notifyDataSetChanged();

    if (CollectionUtil.isNotEmpty(poiItems)) {
        // 移动到第一个位置
        PoiItem poiItem = mSearchResultAdapter.getItem(0);
        LatLng latLng = MapUtil.newLatLng(poiItem.getLatLonPoint());
        isItemClickAction = true;
        mAMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLng, 16f));
    }
}
 

@Override
public void onLocationChanged(AMapLocation aMapLocation) {

    if (mOnLocationChangedListener == null || mAMapLocationClient == null
            || aMapLocation == null || aMapLocation.getErrorCode() != 0) {
        // 定位失败了
        deactivate();
        ToastUtil.show("定位失败,请开启定位后再重新尝试!");
        return;
    }

    // 当前位置
    LatLng curLatLng = MapUtil.newLatLng(aMapLocation);

    // 通知位置信息
    mOnLocationChangedListener.onLocationChanged(aMapLocation);

    if (mCurMarker == null) {
        // 设置当前位置
        mCurMarker = mAMap.addMarker(new MarkerOptions()
                .anchor(0.5f,0.5f)
                .icon(BitmapDescriptorFactory.fromResource(R.drawable.location_marker)));
    }

    // 移动到指定位置
    mCurMarker.setPosition(curLatLng);

    // 移动到当前位置
    mAMap.animateCamera(CameraUpdateFactory.newLatLngZoom(curLatLng, 16f));
}
 

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

    if (position != mSearchResultAdapter.getSelectedPosition()) {

        PoiItem poiItem = mSearchResultAdapter.getItem(position);
        LatLng latLng = MapUtil.newLatLng(poiItem.getLatLonPoint());

        isItemClickAction = true;

        mAMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLng, 16f));

        mSearchResultAdapter.setSelectedPosition(position);
        mSearchResultAdapter.notifyDataSetChanged();
    }
}
 

@Override
public void onLocationChanged(AMapLocation amapLocation) {
    if (amapLocation != null) {
        if (amapLocation.getErrorCode() == 0) {
            //定位成功回调信息，设置相关消息
            amapLocation.getLocationType();//获取当前定位结果来源，如网络定位结果，详见官方定位类型表
            mLatitude = amapLocation.getLatitude();//获取纬度
            mLongitude = amapLocation.getLongitude();//获取经度
            amapLocation.getAccuracy();//获取精度信息
            SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date date = new Date(amapLocation.getTime());
            df.format(date);//定位时间
            amapLocation.getAddress();//地址，如果option中设置isNeedAddress为false，则没有此结果，网络定位结果中会有地址信息，GPS定位不返回地址信息。
            amapLocation.getCountry();//国家信息
            amapLocation.getProvince();//省信息
            mCity = amapLocation.getCity();//城市信息
            amapLocation.getDistrict();//城区信息
            amapLocation.getStreet();//街道信息
            amapLocation.getStreetNum();//街道门牌号信息
            amapLocation.getCityCode();//城市编码
            amapLocation.getAdCode();//地区编码

            titleCenterTv.setText(amapLocation.getCity());
            lp = new LatLonPoint(mLongitude, mLatitude);
            Log.i(LOG, ">>>>> " + mCity + ", " + mLongitude + ", " + mLatitude);

            // 如果不设置标志位，此时再拖动地图时，它会不断将地图移动到当前的位置
            if (isFirstLoc) {
                //设置缩放级别
                aMap.moveCamera(CameraUpdateFactory.zoomTo(17));
                //将地图移动到定位点
                aMap.moveCamera(CameraUpdateFactory.changeLatLng(new LatLng(amapLocation.getLatitude(), amapLocation.getLongitude())));
                //点击定位按钮 能够将地图的中心移动到定位点
                mListener.onLocationChanged(amapLocation);
                //添加图钉
                mMarker = aMap.addMarker(getMarkerOptions(amapLocation));

                isFirstLoc = false;
            }

        } else {
            //显示错误信息ErrCode是错误码，errInfo是错误信息，详见错误码表。
            Log.e("AmapError", "location Error, ErrCode:"
                    + amapLocation.getErrorCode() + ", errInfo:"
                    + amapLocation.getErrorInfo());

            Toast.makeText(FindMapAroundAty.this, "定位失败", Toast.LENGTH_LONG).show();
        }
    }
}
 

private void cameraUpdate(LatLng latLng) {
    CameraUpdate cameraSigma =
            CameraUpdateFactory.newCameraPosition(
                    new CameraPosition(latLng, 18, 0, 0));
    mAMap.moveCamera(cameraSigma);
}
 

private void initMapView() {

        if (aMap == null) {
            aMap = mapView.getMap();
            aMap.setOnMapClickListener(this);// add the listener for click for amap object
        }

        aMap.moveCamera(CameraUpdateFactory.zoomTo(18));

    }