高德地图-绘制个人历史位置路线 - JAVA

list.add(myItem);
Log.d("add","add an item");
populate();
}

}

}

5.MainActivity类:
[java]
package com.example.touchpoint;

import java.util.List;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.location.Location;
import android.location.LocationListener;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

import com.amap.mapapi.core.GeoPoint;
import com.amap.mapapi.location.LocationManagerProxy;
import com.amap.mapapi.location.LocationProviderProxy;
import com.amap.mapapi.map.MapActivity;
import com.amap.mapapi.map.MapController;
import com.amap.mapapi.map.MapView;
import com.amap.mapapi.map.MyLocationOverlay;
import com.amap.mapapi.map.Overlay;
import com.amap.mapapi.map.Projection;

public class MainActivity extends MapActivity implements LocationListener {

private MapView mMapView;

private MapController controller;

private List mapOverlayList;

private LocationManagerProxy locationProxy;

private SqliteDAO dao;

private RouteItemizedOverlay routeOverlay;

private MyOverlay overlay;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

mMapView = (MapView) findViewById(R.id.main_mapView);
mMapView.setBuiltInZoomControls(true); // 开启缩放控件

mMapView.setSatellite(true); // 设置为卫星模式

controller = mMapView.getController();

controller.setZoom(3);

mapOverlayList = mMapView.getOverlays();

locationProxy = LocationManagerProxy.getInstance(this);

Drawable d = getResources().getDrawable(R.drawable.new_func_dot);

routeOverlay = new RouteItemizedOverlay(d);

dao = new SqliteDAO(this);

}

@Override
protected void onPause() {
locationProxy.removeUpdates(this);
dao.close();
super.onPause();
}

@Override
protected void onResume() {
locationProxy.requestLocationUpdates(
LocationProviderProxy.MapABCNetwork, 0, 0, this);
dao.open();
super.onResume();
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.showroute:
showRoutlist();
break;
case R.id.closeroute:
break;
default:
break;
}
return super.onOptionsItemSelected(item);
}

private void showRoutlist() {
mapOverlayList.remove(overlay);
locationProxy.removeUpdates(this); // 取消位置监听（数据库不会有更新)

routeOverlay.addMyRoute(dao.getAllPoints());

mapOverlayList.add(routeOverlay);
}

public void closeRoute() {
mapOverlayList.clear(); // 清空路线
Location last = lo

高德地图-绘制个人历史位置路线(四)