android 百度地图轨迹回放

android百度地图实现轨迹回放，就需要用PolylineOptions画线作为轨迹效果，和添加覆盖物移动就可以了
package baidumapsdk.demo;import java.util.ArrayList;import java.util.List;import java.util.Random;import java.util.Timer;import java.util.TimerTask;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import com.baidu.mapapi.map.ArcOptions;import com.baidu.mapapi.map.BaiduMap;import com.baidu.mapapi.map.BitmapDescriptor;import com.baidu.mapapi.map.BitmapDescriptorFactory;import com.baidu.mapapi.map.CircleOptions;import com.baidu.mapapi.map.DotOptions;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.Marker;import com.baidu.mapapi.map.MarkerOptions;import com.baidu.mapapi.map.OverlayOptions;import com.baidu.mapapi.map.PolygonOptions;import com.baidu.mapapi.map.Polyline;import com.baidu.mapapi.map.PolylineOptions;import com.baidu.mapapi.map.Stroke;import com.baidu.mapapi.map.TextOptions;import com.baidu.mapapi.model.LatLng;/** * 此demo用来展示如何在地图上用GraphicsOverlay添加点、线、多边形、圆 同时展示如何在地图上用TextOverlay添加文字 *  */public class GeometryDemo extends Activity {// 地图相关MapView mMapView;BaiduMap mBaiduMap;// UI相关Button resetBtn;Button clearBtn;BitmapDescriptor bdA = BitmapDescriptorFactory.fromResource(R.drawable.icon_marka);@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_geometry);// 初始化地图mMapView = (MapView) findViewById(R.id.bmapView);mBaiduMap = mMapView.getMap();// UI初始化clearBtn = (Button) findViewById(R.id.button1);resetBtn = (Button) findViewById(R.id.button2);OnClickListener clearListener = new OnClickListener() {public void onClick(View v) {clearClick();}};OnClickListener restListener = new OnClickListener() {public void onClick(View v) {//resetClick();Refresh();}};clearBtn.setOnClickListener(clearListener);resetBtn.setOnClickListener(restListener);// 界面加载时添加绘制图层addCustomElementsDemo();}List points =null;Polyline mMarkerPolyLine=null;Marker mMarkerA;public void Refresh(){    final Handler handler = new Handler(){      double x = 0.02;           public void handleMessage(Message msg) {                                           LatLng p1 = new LatLng(39.97923, 116.357428+x);       points.add(p1);       mMarkerPolyLine.setPoints(points);       mMarkerA.setPosition(p1);       x=x+0.02;           }           };            TimerTask task = new TimerTask(){         public void run() {         Message message = new Message();             message.what = 1;             handler.sendMessage(message);        }         };               Timer timer = new Timer(true);       timer.schedule(task,1000, 1500); }/** * 添加点、线、多边形、圆、文字  aj */public void addCustomElementsDemo() {// 添加折线LatLng p1 = new LatLng(39.97923, 116.357428);LatLng p2 = new LatLng(39.94923, 116.397428);/*LatLng p3 = new LatLng(39.97923, 116.437428);LatLng p4 = new LatLng(39.95923, 116.467428);LatLng p5 = new LatLng(39.96923, 116.487428);*/points = new ArrayList();points.add(p1);points.add(p2);/*points.add(p3);points.add(p4);points.add(p5);*/OverlayOptions ooPolyline = new PolylineOptions().width(12).color(0xAAFF0000).points(points); mMarkerPolyLine = (Polyline) mBaiduMap.addOverlay(ooPolyline); OverlayOptions ooA = new MarkerOptions().position(p2).icon(bdA);mMarkerA = (Marker) (mBaiduMap.addOverlay(ooA));}public void resetClick() {// 添加绘制元素addCustomElementsDemo();}public void clearClick() {// 清除所有图层mMapView.getMap().clear();}@Overrideprotected void onPause() {mMapView.onPause();super.onPause();}@Overrideprotected void onResume() {mMapView.onResume();super.onResume();}@Overrideprotected void onDestroy() {mMapView.onDestroy();super.onDestroy();}}
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