高德地图，定位 ，中间固定点拖动获取位置
import android.graphics.Color;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.ViewTreeObserver;
import android.view.animation.LinearInterpolator;
import android.widget.TextView;
import android.widget.Toast;
import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.maps.AMap;
import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;
import com.amap.api.maps.UiSettings;
import com.amap.api.maps.model.CameraPosition;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.Marker;
import com.amap.api.maps.model.MarkerOptions;
import com.amap.api.maps.model.animation.Animation;
import com.amap.api.maps.model.animation.RotateAnimation;
import com.amap.api.services.core.LatLonPoint;
import com.amap.api.services.geocoder.GeocodeResult;
import com.amap.api.services.geocoder.GeocodeSearch;
import com.amap.api.services.geocoder.RegeocodeQuery;
import com.amap.api.services.geocoder.RegeocodeResult;
import com.tlh.gczp.R;
import com.tlh.gczp.mvp.view.BaseUIActivity;
import butterknife.BindView;
import butterknife.ButterKnife;
/**
* 地图选点
*/
public class AMapSelectPointActivity extends BaseUIActivity implements LocationSource {
public static String TITLE_TAG = "title_str";//标题key
public static String RESULT_TAG = "result_str";//返回数据key
String titleStr = "地图";//标题
@BindView(R.id.activity_amapselectpoint_map)
MapView mMapView;
@BindView(R.id.activity_amapselectpoint_text)
TextView addressTxtView;//位置
AMap aMap;//地图
private UiSettings mUiSettings;//定义一个UiSettings对象
//声明AMapLocationClient类对象
public AMapLocationClient mLocationClient = null;
//声明定位回调监听器
public AMapLocationListener mLocationListener;
//声明AMapLocationClientOption对象
public AMapLocationClientOption mLocationOption = null;
OnLocationChangedListener listener;
MarkerOptions markerCenter = new MarkerOptions();//中心点
Marker marker;//中间
GeocodeSearch geocodeSearch;//地理位置查询
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentViewItem(R.layout.activity_amapselectpont);
ButterKnife.bind(this);
//在activity执行onCreate时执行mMapView.onCreate(savedInstanceState)，实现地图生命周期管理
mMapView.onCreate(savedInstanceState);
rightBtn.setTextColor(Color.parseColor("#fcc900"));
initData();
showPage();
}
/**
* 实例化数据
*/
private void initData() {
initMap();
titleStr = getIntent().getStringExtra(TITLE_TAG);
if (TextUtils.isEmpty(titleStr)){
titleStr = "地图";
}
setPageName(titleStr);
currentPageName = titleStr;
setRightTxt(getString(R.string.str_common_finish), new View.OnClickListener() {
@Override
public void onClick(View view) {
searchAddressByLat(marker.getPosition());
}
});
}
private void initMap() {//实例化Map
geocodeSearch = new GeocodeSearch(this);
//初始化地图变量
if (aMap == null) {
aMap = mMapView.getMap();
}
aMap.setMapType(AMap.MAP_TYPE_NORMAL);
mUiSettings = aMap.getUiSettings();//实例化UiSettings类
mUiSettings.setZoomControlsEnabled(true);
//定位按钮
aMap.setLocationSource(this);// 设置定位监听
mUiSettings.setMyLocationButtonEnabled(true); // 显示默认的定位按钮
aMap.setMyLocationEnabled(true);// 可触发定位并显示定位层
mUiSettings.setScaleControlsEnabled(true);//显示比例尺控件
mUiSettings.setAllGesturesEnabled(true);
mUiSettings.setCompassEnabled(true);//指南针
// LatLng latLng = new LatLng(39.906901, 116.397972);
// final Marker marker = aMap.addMarker(new MarkerOptions().
// position(latLng).
// title("北京").
// snippet("DefaultMarker"));
// final Marker marker = aMap.addMarker(new MarkerOptions());
// MarkerOptions markeroptions = new MarkerOptions();
// markeroptions.position(latLng);
// markeroptions.title("当前位置");
// markeroptions.visible(true);
// BitmapDescriptor bitmapDescriptor= BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(),R.mipmap.positioning_normal));
// markeroptions.icon(bitmapDescriptor);
// aMap.addMarker(markeroptions);
mMapView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
Log.e("mMapView","onGlobalLayout===---123");
marker = aMap.addMarker(new MarkerOptions());
Animation animation = new RotateAnimation(marker.getRotateAngle(), marker.getRotateAngle() + 720, 0, 0, 0);
long duration = 1000L;
animation.setDuration(duration);
animation.setInterpolator(new LinearInterpolator());
marker.setAnimation(animation);
marker.startAnimation();
marker.setPositionByPixels(mMapView.getWidth()/2, mMapView.getHeight()/2);
}
});
LatLng ll = new LatLng(34.6006623972045,108.97923588752748);
markerCenter.position(ll);
markerCenter.visible(true);
markerCenter.title("中心点");
// BitmapDescriptor bitmapDescriptor= BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(),R.mipmap.icon_nearby));
// markerCenter.icon(bitmapDescriptor);
aMap.addMarker(markerCenter);
//初始化AMapLocationClientOption对象
mLocationOption = new AMapLocationClientOption();
//设置定位模式为AMapLocationMode.Hight_Accuracy，高精度模式。
// mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Battery_Saving);
mLocationListener = new AMapLocationListener() {
@Override
public void onLocationChanged(AMapLocation aMapLocation) {
if (aMapLocation != null) {
if (listener != null) {
listener.onLocationChanged(aMapLocation);
}
if (aMapLocation.getErrorCode() == 0) {
//可在其中解析amapLocation获取相应内容。
Log.e("AMapSelectPointActivity", "aMapLocation=" + aMapLocation.getCity());
Log.e("AMapSelectPointActivity", "aMapLocation address=" + aMapLocation.getAddress());
} else {
//定位失败时，可通过ErrCode（错误码）信息来确定失败的原因，errInfo是错误信息，详见错误码表。
Log.e("AmapError", "location Error, ErrCode:"
+ aMapLocation.getErrorCode() + ", errInfo:"
+ aMapLocation.getErrorInfo());
}
}
Log.e("AMapSelectPointActivity", "aMapLocation run onLocationChanged");
}
};
//初始化定位
mLocationClient = new AMapLocationClient(getApplicationContext());
//设置定位回调监听
mLocationClient.setLocationListener(mLocationListener);
mLocationClient.setLocationOption(mLocationOption);//设置模式
aMap.setOnCameraChangeListener(new AMap.OnCameraChangeListener() {
@Override
public void onCameraChange(CameraPosition cameraPosition) {
LatLng target = cameraPosition.target;
System.out.println(target.latitude + "jinjin------" + target.longitude);
}
@Override
public void onCameraChangeFinish(CameraPosition cameraPosition) {
LatLng target = cameraPosition.target;
System.out.println("changeFinish="+target.latitude + "jinjin------" + target.longitude);
LatLng ll = new LatLng(target.latitude,target.longitude);
markerCenter.position(ll);
searchAddressByLat(ll);
// markerCenter.visible(true);
// markerCenter.title("中心点");
// BitmapDescriptor bitmapDescriptor= BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(),R.mipmap.icon_nearby));
// markerCenter.icon(bitmapDescriptor);
// aMap.addMarker(markerCenter);
}
});
}
@Override
protected void onDestroy() {
super.onDestroy();
//在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理
mMapView.onDestroy();
mLocationClient.onDestroy();
}
@Override
protected void onResume() {
super.onResume();
//在activity执行onResume时执行mMapView.onResume ()，实现地图生命周期管理
mMapView.onResume();
//启动定位
mLocationClient.startLocation();
}
@Override
protected void onPause() {
super.onPause();
//在activity执行onPause时执行mMapView.onPause ()，实现地图生命周期管理
mMapView.onPause();
mLocationClient.stopLocation();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
//在activity执行onSaveInstanceState时执行mMapView.onSaveInstanceState (outState)，实现地图生命周期管理
mMapView.onSaveInstanceState(outState);
}
@Override
public void activate(OnLocationChangedListener onLocationChangedListener) {
Log.e("AMapSelectPointActivity", "activate is run");
listener = onLocationChangedListener;
}
@Override
public void deactivate() {//高德地图位置监听
listener = null;
}
private void searchAddressByLat(final LatLng latLng){
geocodeSearch.setOnGeocodeSearchListener(new GeocodeSearch.OnGeocodeSearchListener() {
@Override
public void onRegeocodeSearched(RegeocodeResult result, int rCode) {
if (rCode == 1000) {
if (result != null && result.getRegeocodeAddress() != null
&& result.getRegeocodeAddress().getFormatAddress() != null) {
String addressName = result.getRegeocodeAddress().getFormatAddress()
+ "附近";
aMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng, 15));
addressTxtView.setText(result.getRegeocodeAddress().getFormatAddress());
Toast.makeText(AMapSelectPointActivity.this, addressName,Toast.LENGTH_LONG).show();
} else {
Toast.makeText(AMapSelectPointActivity.this, "未找到",Toast.LENGTH_LONG).show();
}
} else {
Toast.makeText(AMapSelectPointActivity.this, "失败",Toast.LENGTH_LONG).show();
}
}
@Override
public void onGeocodeSearched(GeocodeResult geocodeResult, int i) {
}
});
LatLonPoint point = new LatLonPoint(latLng.latitude,latLng.longitude);
RegeocodeQuery query = new RegeocodeQuery(point, 200,GeocodeSearch.AMAP);
geocodeSearch.getFromLocationAsyn(query);
}
}
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码字很辛苦，转载请注明来自技术联盟的《高德地图，定位 ，中间固定点拖动获取位置》
2016-12-15
Android
