android 百度地图应用实例源码下载

【核心代码】

package com.example.baidumapdemo;

import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.widget.Toast;

import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.MKGeneralListener;
import com.baidu.mapapi.map.MKEvent;
import com.baidu.mapapi.map.MKMapViewListener;
import com.baidu.mapapi.map.MapController;
import com.baidu.mapapi.map.MapPoi;
import com.baidu.mapapi.map.MapView;
import com.baidu.platform.comapi.basestruct.GeoPoint;

public class MainActivity extends Activity{
	private BMapManager mBMapManager;
	/**
	 * MapView 是地图主控件
	 */
	private MapView mMapView = null;
	/**
	 * 用MapController完成地图控制
	 */
	private MapController mMapController = null;
	
	private ScaleView mScaleView;
	private ZoomControlView mZoomControlView;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		//使用地图sdk前需先初始化BMapManager，这个必须在setContentView()先初始化
		mBMapManager = new BMapManager(this);
		
		//第一个参数是API key,
		//第二个参数是常用事件监听，用来处理通常的网络错误，授权验证错误等，你也可以不添加这个回调接口
		mBMapManager.init("CC61ac7527b65c95899608810873b173", new MKGeneralListener() {
			
			//授权错误的时候调用的回调函数
			@Override
			public void onGetPermissionState(int iError) {
				if (iError ==  MKEvent.ERROR_PERMISSION_DENIED) {
					Toast.makeText(getApplication(), "API Key错误，请检查！",
	                        Toast.LENGTH_LONG).show();
	            }
			}
			
			//一些网络状态的错误处理回调函数
			@Override
			public void onGetNetworkState(int iError) {
				if (iError == MKEvent.ERROR_NETWORK_CONNECT) {
	                Toast.makeText(getApplication(), "您的网络出错啦！",
	                    Toast.LENGTH_LONG).show();
	            }
			}
		});
		
		setContentView(R.layout.activity_main);
		mMapView = (MapView) findViewById(R.id.bmapView);
		//隐藏自带的地图缩放控件
		mMapView.setBuiltInZoomControls(false);
		
		mScaleView = (ScaleView) findViewById(R.id.scaleView);
		mScaleView.setMapView(mMapView);
		mZoomControlView = (ZoomControlView) findViewById(R.id.ZoomControlView);
		mZoomControlView.setMapView(mMapView);
		
		
		//地图显示事件监听器。 该接口监听地图显示事件，用户需要实现该接口以处理相应事件。
		mMapView.regMapViewListener(mBMapManager, new MKMapViewListener() {
			
			@Override
			public void onMapMoveFinish() {
				 refreshScaleAndZoomControl();
			}
			
			@Override
			public void onMapLoadFinish() {
				
			}
			
			
			
			/**
			 * 动画结束时会回调此消息.我们在此方法里面更新缩放按钮的状态
			 */
			@Override
			public void onMapAnimationFinish() {
				 refreshScaleAndZoomControl();
			}
			
			@Override
			public void onGetCurrentMap(Bitmap arg0) {
				
			}
			
			@Override
			public void onClickMapPoi(MapPoi arg0) {
				
			}
		});
		
		//获取地图控制器
        mMapController = mMapView.getController();
        //设置地图是否响应点击事件  .
        mMapController.enableClick(true);
        //设置地图缩放级别
        mMapController.setZoom(14);
        
        refreshScaleAndZoomControl();
        
        //保存精度和纬度的类,
        GeoPoint p = new GeoPoint((int)(22.547923 * 1E6), (int)(114.067368 * 1E6));
        //设置p地方为中心点
        mMapController.setCenter(p);
        
	}

	
	
	private void refreshScaleAndZoomControl(){
        //更新缩放按钮的状态
        mZoomControlView.refreshZoomButtonStatus(Math.round(mMapView.getZoomLevel()));
        mScaleView.refreshScaleView(Math.round(mMapView.getZoomLevel()));
	}
	
	
	@Override
	protected void onResume() {
    	//MapView的生命周期与Activity同步，当activity挂起时需调用MapView.onPause()
		mMapView.onResume();
		super.onResume();
	}



	@Override
	protected void onPause() {
		//MapView的生命周期与Activity同步，当activity挂起时需调用MapView.onPause()
		mMapView.onPause();
		super.onPause();
	}

	@Override
	protected void onDestroy() {
		//MapView的生命周期与Activity同步，当activity销毁时需调用MapView.destroy()
		mMapView.destroy();
		
		//退出应用调用BMapManager的destroy()方法
		if(mBMapManager != null){
			mBMapManager.destroy();
			mBMapManager = null;
		}
		
		super.onDestroy();
		
	}

}