Android--仿滴滴打车拖拽改变定位位置（高德地图）
拖拽高德地图或定位定位mark进行改变位置定位（图片资源在高德地图官网下载的demo中有）
public class writePipeActivity1 extends Activity implements
AMap.OnMarkerClickListener,
AMap.OnMapLoadedListener,
AMap.OnMapClickListener,
LocationSource,
AMapLocationListener,
// AMap.OnMarkerDragListener,
GeocodeSearch.OnGeocodeSearchListener,
AMap.OnCameraChangeListener
{
private MapView mMapView;
private AMap mAMap;
private Marker mGPSMarker; //定位位置显示
private AMapLocation location;
private LocationSource.OnLocationChangedListener mListener;
//声明AMapLocationClient类对象
public AMapLocationClient mLocationClient = null;
//声明mLocationOption对象
public AMapLocationClientOption mLocationOption = null;
//你编码对象
private GeocodeSearch geocoderSearch;
private String custAddr;
private Double custLon;
private Double custLat;
private String actualAddr;
private Double actualLon;
private Double actualLat;
private ImageView img_back;
private String city;
private MarkerOptions markOptions;
private LatLng latLng;
private String addressName;
private BottomSheetBehavior mBehavior;
@BindView(R.id.iv_return)
ImageView ivReturn;
@BindView(R.id.tv_writepipe)
TextView tvWritepipe;
@BindView(R.id.tv_adress)
TextView tvAdress;
@BindView(R.id.et_name)
EditText etName;
@BindView(R.id.tv_lnt)
TextView tvLnt;
@BindView(R.id.bt_commit)
Button btCommit;
@BindView(R.id.bottom_sheet)
RelativeLayout bottomSheet;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_writepipe1);
ButterKnife.bind(this);
initMap(savedInstanceState);
init();
}
private void init() {
//底部抽屉栏展示地址
mBehavior = BottomSheetBehavior.from(bottomSheet);
mBehavior.setBottomSheetCallback(new BottomSheetBehavior.BottomSheetCallback() {
@Override
public void onStateChanged(@NonNull View bottomSheet, @BottomSheetBehavior.State int newState) {
String state = "null";
switch (newState) {
case 1:
state = "STATE_DRAGGING";//过渡状态此时用户正在向上或者向下拖动bottom sheet
break;
case 2:
state = "STATE_SETTLING"; // 视图从脱离手指自由滑动到最终停下的这一小段时间
break;
case 3:
state = "STATE_EXPANDED"; //处于完全展开的状态
break;
case 4:
state = "STATE_COLLAPSED"; //默认的折叠状态
break;
case 5:
state = "STATE_HIDDEN"; //下滑动完全隐藏 bottom sheet
break;
}
}
@Override
public void onSlide(@NonNull View bottomSheet, float slideOffset) {
Log.i("BottomSheetDemo", "slideOffset:" + slideOffset);
}
});
}
@OnClick({R.id.iv_return, R.id.tv_writepipe, R.id.bt_commit})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.iv_return:
startActivity(new Intent(this, HomeActivity.class));
finish();
break;
case R.id.tv_writepipe:
break;
case R.id.bt_commit:
break;
}
}
private void initMap(Bundle savedInstanceState) {
mMapView = (MapView) findViewById(R.id.map);
mMapView.onCreate(savedInstanceState);
geocoderSearch = new GeocodeSearch(this);
mAMap = mMapView.getMap();
// 设置定位监听
mAMap.setOnMapLoadedListener(this);
mAMap.setOnMarkerClickListener(this);
mAMap.setOnMapClickListener(this);
mAMap.setLocationSource(this);
//设置地图拖动监听
mAMap.setOnCameraChangeListener(this);
// 绑定marker拖拽事件
// mAMap.setOnMarkerDragListener(this);
//逆编码监听事件
geocoderSearch.setOnGeocodeSearchListener(this);
MyLocationStyle myLocationStyle = new MyLocationStyle();
myLocationStyle.myLocationIcon(BitmapDescriptorFactory.fromResource(R.mipmap.navi_map_gps_locked));// 设置小蓝点的图标
//myLocationStyle.strokeColor(Color.BLACK);// 设置圆形的边框颜色
myLocationStyle.radiusFillColor(Color.argb(100, 0, 0, 180));// 设置圆形的填充颜色
// myLocationStyle.anchor(int,int)//设置小蓝点的锚点
myLocationStyle.strokeWidth(0f);// 设置圆形的边框粗细
myLocationStyle.anchor(0.5f, 0.7f);
mAMap.setMyLocationStyle(myLocationStyle);
mAMap.moveCamera(CameraUpdateFactory.zoomTo(15)); //缩放比例
//添加一个圆
CircleOptions circleOptions = new CircleOptions();
circleOptions.radius(20.0f);
mAMap.addCircle(circleOptions);
//设置amap的属性
UiSettings settings = mAMap.getUiSettings();
settings.setMyLocationButtonEnabled(false);// 设置默认定位按钮是否显示
mAMap.setMyLocationEnabled(true);// 设置为true表示显示定位层并可触发定位，false表示隐藏定位层并不可触发定位，默认是false
}
@Override
public void onLocationChanged(AMapLocation aMapLocation) {
location = aMapLocation;
if (mListener != null && location != null)
{
if (location != null && location.getErrorCode() == 0)
{
mListener.onLocationChanged(location);// 显示系统箭头
LatLng la = new LatLng(location.getLatitude(), location.getLongitude());
setMarket(la, location.getCity(), location.getAddress());
this.actualAddr = location.getAddress();
this.actualLon = location.getLongitude();
this.actualLat = location.getLatitude();
mLocationClient.stopLocation();
//显示位置、经纬度
//获取当前经纬度坐标
tvAdress.setText(location.getAddress());
tvLnt.setText(aMapLocation.getLongitude() + "," + aMapLocation.getLatitude());
// this.location = location;
// 显示导航按钮
// btnNav.setVisibility(View.VISIBLE);
}
} else
{
Toast.makeText(writePipeActivity1.this, "定位失败",Toast.LENGTH_SHORT).show();
}
}
/**
* 激活定位
*/
@Override
public void activate(OnLocationChangedListener onLocationChangedListener) {
mListener = onLocationChangedListener;
//初始化定位
mLocationClient = new AMapLocationClient(getApplicationContext());
//设置定位回调监听
mLocationClient.setLocationListener(this);
//初始化定位参数
mLocationOption = new AMapLocationClientOption();
//设置定位模式为高精度模式，Battery_Saving为低功耗模式，Device_Sensors是仅设备模式
mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
//设置是否返回地址信息（默认返回地址信息）
mLocationOption.setNeedAddress(true);
//设置是否只定位一次,默认为false
mLocationOption.setOnceLocation(false);
//设置是否强制刷新WIFI，默认为强制刷新
mLocationOption.setWifiActiveScan(true);
//设置是否允许模拟位置,默认为false，不允许模拟位置
mLocationOption.setMockEnable(false);
//设置定位间隔,单位毫秒,默认为2000ms
mLocationOption.setInterval(2000 * 10);
//给定位客户端对象设置定位参数
mLocationClient.setLocationOption(mLocationOption);
//启动定位
mLocationClient.startLocation();
}
/**
* 停止定位
*/
@Override
public void deactivate() {
mListener = null;
if (mLocationClient != null)
{
mLocationClient.stopLocation();
mLocationClient.onDestroy();
}
}
@Override
public void onMapClick(LatLng latLng) {
// mAMap.clear();
// this.custLat = latLng.latitude;
// this.custLon = latLng.longitude;
//
//// LatLonPoint latLonPoint = new LatLonPoint(latLng.latitude, latLng.longitude);
//// if (!TextUtils.isEmpty(latLonPoint.toString())) {
//// getAddress(latLonPoint);
//// } else {
//// Util.showToast(AttendanceViewMap.this, "拜访地址获取失败");
//// }
// MarkerOptions otMarkerOptions = new MarkerOptions();
// otMarkerOptions.icon(BitmapDescriptorFactory.fromResource(R.drawable.bd_location_icon01));
// otMarkerOptions.position(latLng);
// mAMap.addMarker(otMarkerOptions);
// mAMap.moveCamera(CameraUpdateFactory.changeLatLng(latLng));
}
@Override
public void onMapLoaded() {
}
@Override
public boolean onMarkerClick(Marker marker) {
if (marker.isInfoWindowShown())
{
marker.hideInfoWindow();
}
else
{
marker.showInfoWindow();
}
return false;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mMapView.onSaveInstanceState(outState);
}
protected void onResume() {
super.onResume();
mMapView.onResume();
// aMapEx.onRegister();
}
protected void onPause() {
super.onPause();
mMapView.onPause();
}
protected void onDestroy() {
super.onDestroy();
// 销毁定位
if (mLocationClient != null)
{
mLocationClient.stopLocation();
mLocationClient.onDestroy();
}
// if (aMapEx != null) {
// aMapEx.onUnregister();
// }
mMapView.onDestroy();
}
//通过拖动地图进行位置定位改变，且mark位于屏幕中间不变
private void setMarket(LatLng latLng, String title, String content) {
if (mGPSMarker != null)
{
mGPSMarker.remove();
}
//获取屏幕宽高
WindowManager wm = this.getWindowManager();
int width = (wm.getDefaultDisplay().getWidth()) / 2;
int height = ((wm.getDefaultDisplay().getHeight()) / 2) - 80;
markOptions = new MarkerOptions();
markOptions.draggable(true);//设置Marker可拖动
markOptions.icon(BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(), R.mipmap.poi_marker_pressed))).anchor(0.5f, 0.7f);
//设置一个角标
mGPSMarker = mAMap.addMarker(markOptions);
//设置marker在屏幕的像素坐标
mGPSMarker.setPosition(latLng);
mGPSMarker.setTitle(title);
mGPSMarker.setSnippet(content);
//设置像素坐标
mGPSMarker.setPositionByPixels(width, height);
//关闭infowindow显示
// if (!TextUtils.isEmpty(content))
// {
// mGPSMarker.showInfoWindow();
// }
mMapView.invalidate();
}
/**
//拖拽定位mark标志进行改变位置定位
// private void setMarket(LatLng latLng, String title, String content) {
// if (mGPSMarker != null)
// {
// mGPSMarker.remove();
// }
// markOptions = new MarkerOptions();
// markOptions.draggable(true);//设置Marker可拖动
// markOptions.icon(BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(), R.mipmap.poi_marker_pressed))).anchor(0.5f, 0.7f);
// mGPSMarker = mAMap.addMarker(markOptions);
// mGPSMarker.setPosition(latLng);
// mGPSMarker.setTitle(title);
// mGPSMarker.setSnippet(content);
//关闭infowindow显示
//// if (!TextUtils.isEmpty(content))
//// {
//// mGPSMarker.showInfoWindow();
//// }
// mMapView.invalidate();
// }
// 当marker开始被拖动时回调此方法, 这个marker的位置可以通过getPosition()方法返回。
// 这个位置可能与拖动的之前的marker位置不一样。
// marker 被拖动的marker对象。
@Override
public void onMarkerDragStart(Marker marker) {
Log.e("marker","marker正在拖拽");
}
// 在marker拖动完成后回调此方法, 这个marker的位置可以通过getPosition()方法返回。
// 这个位置可能与拖动的之前的marker位置不一样。
// marker 被拖动的marker对象。
@Override
public void onMarkerDrag(Marker marker) {
latLng=marker.getPosition();
double latitude= latLng.latitude;
double longitude= latLng.longitude;
Log.e("latitude",latitude+"");
Log.e("longitude",longitude+"");
getAddressByLatlng(latLng);
//显示位置、经纬度
tvAdress.setText(addressName);
tvLnt.setText(latitude + "," + longitude);
}
// 在marker拖动过程中回调此方法, 这个marker的位置可以通过getPosition()方法返回。
// 这个位置可能与拖动的之前的marker位置不一样。
// marker 被拖动的marker对象。
@Override
public void onMarkerDragEnd(Marker marker) {
Log.e("marker","marker拖拽完成");
setMarket(latLng, location.getCity(), addressName);
// 销毁定位
if (mLocationClient != null)
{
mLocationClient.stopLocation();
mLocationClient.onDestroy();
}
}
*/
@Override
public void onCameraChange(CameraPosition cameraPosition) {
}
@Override
public void onCameraChangeFinish(CameraPosition cameraPosition) {
latLng=cameraPosition.target;
double latitude= latLng.latitude;
double longitude= latLng.longitude;
Log.e("latitude",latitude+"");
Log.e("longitude",longitude+"");
getAddressByLatlng(latLng);
//显示位置、经纬度
tvAdress.setText(addressName);
tvLnt.setText(latitude + "," + longitude);
}
/**
* 根据经纬度得到地址
*/
private void getAddressByLatlng(LatLng latLng) {
//逆地理编码查询条件：逆地理编码查询的地理坐标点、查询范围、坐标类型。
LatLonPoint latLonPoint = new LatLonPoint(latLng.latitude, latLng.longitude);
RegeocodeQuery query = new RegeocodeQuery(latLonPoint, 500f, GeocodeSearch.AMAP);
//异步查询
geocoderSearch.getFromLocationAsyn(query);
}
/**
* 逆地理编码回调
*/
@Override
public void onRegeocodeSearched(RegeocodeResult result, int rCode) {
if (rCode == 1000) {
if (result != null && result.getRegeocodeAddress() != null
&& result.getRegeocodeAddress().getFormatAddress() != null) {
addressName = result.getRegeocodeAddress().getFormatAddress(); // 逆转地里编码不是每次都可以得到对应地图上的opi
L.e("逆地理编码回调 得到的地址：" + addressName);
// mAddressEntityFirst = new AddressSearchTextEntity(addressName, addressName, true, convertToLatLonPoint(mFinalChoosePosition));
setMarket(latLng, location.getCity(), addressName);
}
}
}
/**
* 地理编码查询回调
*/
@Override
public void onGeocodeSearched(GeocodeResult result, int rCode) {
}
}