[add] 使用导航地图实现起始点加纹理自定义
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liujing
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package com.mogo.eagle.core.function.smp;
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import android.content.Context;
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import android.graphics.BitmapFactory;
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import com.amap.api.maps.AMap;
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import com.amap.api.maps.CameraUpdateFactory;
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import com.amap.api.maps.TextureMapView;
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import com.amap.api.maps.model.BitmapDescriptor;
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import com.amap.api.maps.model.BitmapDescriptorFactory;
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import com.amap.api.maps.model.CameraPosition;
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import com.amap.api.maps.model.LatLng;
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import com.amap.api.maps.model.Marker;
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import com.amap.api.maps.model.MarkerOptions;
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import com.amap.api.maps.model.Polyline;
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import com.amap.api.navi.AMapNaviView;
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import com.autonavi.amap.mapcore.IPoint;
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import com.mogo.eagle.core.function.map.R;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.ScheduledThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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/**
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* 包名： com.amap.api.navi.core
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* <p>
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* 创建时间：2018/3/1
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* 项目名称：AndroidNavigationSDK
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*
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* @author guibao.ggb
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* @email guibao.ggb@alibaba-inc.com
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* <p>
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* 类说明：自车位置管理Overlay类
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*/
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public class CarOverlay {
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protected static final int CAR_MOVE_ANIMATION_PERIOD = 50;
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protected int carMoveAnimationFrameNum = 2;
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protected boolean mIsLock = true;
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protected IPoint mapAnchorBackup = null;
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protected double dXOffStep;
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protected double dYOffStep;
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protected float dAngleOffStep;
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protected int currentFrameIndex;
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protected float angleStart = 0;
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protected boolean isMoveStarted = false;
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protected float newAngle = 0;
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protected BitmapDescriptor carDescriptor = null;
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protected BitmapDescriptor fourCornersDescriptor = null;
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protected Marker carMarker;
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protected Marker directionMarker;
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protected AMap mAmap = null;
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protected TextureMapView mapView;
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protected boolean isDirectionVisible = true;
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protected LatLng endLatLng = null;
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protected Polyline leaderLine = null;
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protected final int DISTANCE_OFFSET = 150;// 默认 500 偏差
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// API 默认 1800 UI 默认 360
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protected int angleModValue = 1800;
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private ScheduledExecutorService executorService;
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public CarOverlay(Context context, TextureMapView mapView) {
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this.mapView = mapView;
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fourCornersDescriptor = BitmapDescriptorFactory.fromBitmap(BitmapFactory
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.decodeResource(context.getResources(),
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R.drawable.module_small_map_navi_direction));
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carDescriptor = BitmapDescriptorFactory.fromBitmap(BitmapFactory
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.decodeResource(context.getResources(),
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R.drawable.module_small_map_view_my_location_logo));
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angleModValue = 1800;
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}
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/**
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* 设置自车状态
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*
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* @param lock true 锁车 false 非锁车
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*/
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public void setLock(boolean lock) {
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mIsLock = lock;
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if (carMarker == null) {
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return;
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}
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if (mAmap == null) {
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return;
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}
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if (directionMarker == null) {
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return;
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}
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carMarker.setFlat(true);
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directionMarker.setGeoPoint(carMarker.getGeoPoint());
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carMarker.setGeoPoint(carMarker.getGeoPoint());
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carMarker.setRotateAngle(carMarker.getRotateAngle());
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if (mIsLock) {
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CameraPosition cameraPosition = new CameraPosition.Builder().target(carMarker.getPosition()).bearing(newAngle).tilt(0).zoom(16).build();
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mAmap.moveCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
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}
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}
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public void reset() {
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if (carMarker != null) {
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carMarker.remove();
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}
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if (directionMarker != null) {
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directionMarker.remove();
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}
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if (leaderLine != null) {
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leaderLine.remove();
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}
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leaderLine = null;
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carMarker = null;
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directionMarker = null;
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if (executorService != null) {
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if (!executorService.isShutdown()) {
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executorService.shutdown();
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}
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isMoveStarted = false;
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executorService = null;
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}
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}
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/**
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* 绘制自车
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*
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* @param aMap
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* @param mLatLng
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* @param bearing
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*/
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public void draw(AMap aMap, LatLng mLatLng, float bearing) {
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if (aMap == null || mLatLng == null || carDescriptor == null) {
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return;
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}
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mAmap = aMap;
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try {
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if (carMarker == null) {
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carMarker = aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f).setFlat(true).icon(carDescriptor).position(mLatLng));
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}
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if (directionMarker == null) {
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directionMarker = aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f).setFlat(true).icon(fourCornersDescriptor).position(mLatLng));
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if (isDirectionVisible) {
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directionMarker.setVisible(true);
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} else {
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directionMarker.setVisible(false);
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}
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}
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carMarker.setVisible(true);
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newAngle = bearing;
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IPoint resultGeoPnt = IPoint.obtain();
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resultGeoPnt = NaviUtil.lonlat2Geo(mLatLng.latitude, mLatLng.longitude, 20);
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updateCarPosition(resultGeoPnt);
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resultGeoPnt.recycle();
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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private void updateCarPosition(IPoint p) {
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carMarker.setGeoPoint(p);
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carMarker.setFlat(true);
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carMarker.setRotateAngle(360 - newAngle);
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if (directionMarker != null) {
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directionMarker.setGeoPoint(p);
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}
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if (mIsLock) {
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CameraPosition cameraPosition = new CameraPosition.Builder().target(carMarker.getPosition()).bearing(newAngle).tilt(0).zoom(16).build();
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mAmap.moveCamera(CameraUpdateFactory.changeBearingGeoCenter(newAngle, p));
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}
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}
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public void setEndPoi(LatLng latlng) {
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endLatLng = latlng;
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}
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/**
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* 释放自车资源
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*/
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public void destroy() {
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if (carMarker != null) {
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carMarker.remove();
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carMarker = null;
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}
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if (directionMarker != null) {
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directionMarker.remove();
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directionMarker = null;
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}
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carDescriptor = null;
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if (executorService != null && !executorService.isShutdown()) {
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executorService.shutdown();
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isMoveStarted = false;
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executorService = null;
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}
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}
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private void calculateCarSmoothMoveOffset(IPoint newCenter, float newAngle) {
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if (carMarker == null) {
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return;
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}
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IPoint currentAnchorGeoPoint = carMarker.getGeoPoint();
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if (currentAnchorGeoPoint == null || currentAnchorGeoPoint.x == 0 || currentAnchorGeoPoint.y == 0) {
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currentAnchorGeoPoint = newCenter;
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}
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currentFrameIndex = 0;
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mapAnchorBackup = currentAnchorGeoPoint;
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dXOffStep = (newCenter.x - currentAnchorGeoPoint.x) / carMoveAnimationFrameNum;
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dYOffStep = (newCenter.y - currentAnchorGeoPoint.y) / carMoveAnimationFrameNum;
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// 获取当前的旋转角度
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angleStart = carMarker.getRotateAngle();
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boolean isFirst = false;
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if (Float.compare(angleStart, newAngle) == 0) {
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isFirst = true;
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} else {
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angleStart = 360 - angleStart;
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}
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// 校正旋转角度问题
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float dAngleDelta = newAngle - angleStart;
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if (isFirst) {
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dAngleDelta = 0;
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}
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if (dAngleDelta > 180) {
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dAngleDelta = dAngleDelta - 360;
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}
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else if (dAngleDelta < -180) {
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dAngleDelta = dAngleDelta + 360;
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}
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dAngleOffStep = dAngleDelta / carMoveAnimationFrameNum;
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isMoveStarted = true;
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}
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// protected void startSmoothMoveTimer() {
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// if (executorService == null) {
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// executorService = new ScheduledThreadPoolExecutor(1, new BasicThreadFactory.Builder().namingPattern("caroverlay-schedule-pool-%d").daemon(true).build());
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//
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// executorService.scheduleAtFixedRate(new Runnable() {
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// long currentSeconds;
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// @Override
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// public void run() {
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// try{
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// currentSeconds = System.currentTimeMillis();
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// mapSmoothMoveTimerTick();
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// } catch(Throwable e){
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// e.printStackTrace();
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// }
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// }
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// }, 0, CAR_MOVE_ANIMATION_PERIOD, TimeUnit.MILLISECONDS);
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// }
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// }
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private void mapSmoothMoveTimerTick() {
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if (!isMoveStarted) {
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return;
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}
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if (carMarker == null) {
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return;
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}
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if (mAmap == null) {
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return;
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}
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try {
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IPoint p = carMarker.getGeoPoint();
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double newX = 0, newY = 0;
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if (currentFrameIndex++ < carMoveAnimationFrameNum) {
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newX = mapAnchorBackup.x + dXOffStep * currentFrameIndex;
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newY = mapAnchorBackup.y + dYOffStep * currentFrameIndex;
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newAngle = angleStart + dAngleOffStep * currentFrameIndex;
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newAngle %= angleModValue;
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if (newX != 0 || newY != 0) {
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p = new IPoint((int)newX, (int)newY);
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}
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updateCarPosition(p);
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}
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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}
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