百度地图实现【仿滴滴打车】

【实例截图】

【核心代码】

package com.example.dididache;


import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BaiduMap.OnMapStatusChangeListener;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
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.TextOptions;
import com.baidu.mapapi.model.LatLng;
import com.baidu.mapapi.search.core.SearchResult;
import com.baidu.mapapi.search.geocode.GeoCodeOption;
import com.baidu.mapapi.search.geocode.GeoCodeResult;
import com.baidu.mapapi.search.geocode.GeoCoder;
import com.baidu.mapapi.search.geocode.OnGetGeoCoderResultListener;
import com.baidu.mapapi.search.geocode.ReverseGeoCodeOption;
import com.baidu.mapapi.search.geocode.ReverseGeoCodeResult;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Toast;

public class MapActivity extends Activity implements
		OnGetGeoCoderResultListener {
	MapView mMapView = null;
	GeoCoder mSearch = null;
	BaiduMap mBaiduMap;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		this.requestWindowFeature(Window.FEATURE_NO_TITLE);// 去掉标题栏
		this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
				WindowManager.LayoutParams.FLAG_FULLSCREEN);// 去掉信息栏
															// //在使用SDK各组件之前初始化context信息，传入ApplicationContext
		// 注意该方法要再setContentView方法之前实现
		SDKInitializer.initialize(getApplicationContext());
		setContentView(R.layout.activity_main);
		// 获取地图控件引用
		mMapView = (MapView) findViewById(R.id.bmapView);

		mBaiduMap = mMapView.getMap();
		String mStrName = getIntent().getExtras().getString("name");
		String mStrCity = getIntent().getExtras().getString("city");
		String mStrDistrict = getIntent().getExtras().getString("district");
		// 初始化搜索模块，注册事件监听
		mSearch = GeoCoder.newInstance();
		mSearch.setOnGetGeoCodeResultListener(this);
		mSearch.geocode(new GeoCodeOption().city(mStrCity)
				.address(mStrDistrict   mStrName));
		
		mBaiduMap.setOnMapStatusChangeListener(new OnMapStatusChangeListener() {
			
			@Override
			public void onMapStatusChangeStart(MapStatus arg0) {
				// TODO Auto-generated method stub
				
			}
			
			@Override
			public void onMapStatusChangeFinish(MapStatus arg0) {
				// TODO Auto-generated method stub
				LatLng ptCenter = mBaiduMap.getMapStatus().target; //获取地图中心点坐标
				// 反Geo搜索
				mSearch.reverseGeoCode(new ReverseGeoCodeOption()
						.location(ptCenter));
			}
			
			@Override
			public void onMapStatusChange(MapStatus arg0) {
				// TODO Auto-generated method stub
				
			}
		});
	}

	@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();
	}

	@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();
	}

	@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();
	}

	@Override
	public void onGetGeoCodeResult(GeoCodeResult result) {
		// TODO Auto-generated method stub

		//设置地图中心点坐标
		MapStatusUpdate status = MapStatusUpdateFactory.newLatLng(result.getLocation());
		mBaiduMap.animateMapStatus(status);
		Toast.makeText(MapActivity.this, result.getAddress(), Toast.LENGTH_LONG).show();		
	}

	@Override
	public void onGetReverseGeoCodeResult(ReverseGeoCodeResult result) {
		// TODO Auto-generated method stub
		
		if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
			Toast.makeText(MapActivity.this, "抱歉，未能找到结果", Toast.LENGTH_LONG)
					.show();
			return;
		}
		mBaiduMap.clear();
		mBaiduMap.setMapStatus(MapStatusUpdateFactory.newLatLng(result
				.getLocation()));//改变地图状态？
		Toast.makeText(MapActivity.this, result.getAddressDetail().city   "  " 
				result.getAddressDetail().district  "  "  result.getAddressDetail().street   
				result.getAddressDetail().streetNumber,
				Toast.LENGTH_LONG).show();

	}
}