import com.baidu.mapapi.map.MKMapViewListener; //导入依赖的package包/类
private void showMapWithLocationClient() {
	progressDialog = new ProgressDialog(this);
	progressDialog.setCanceledOnTouchOutside(false);
	progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
	progressDialog.setMessage("正在确定你的位置...");

	progressDialog.setOnCancelListener(new OnCancelListener() {

		public void onCancel(DialogInterface arg0) {
			if (progressDialog.isShowing()) {
				progressDialog.dismiss();
			}
			Log.d("map cancel retrieve location");
			finish();
		}
	});

	progressDialog.show();

	mLocClient = new LocationClient(this);
	mLocClient.registerLocationListener(myListener);

	LocationClientOption option = new LocationClientOption();
	option.setOpenGps(true);// 打开gps
	// option.setCoorType("bd09ll"); //设置坐标类型
	// Johnson change to use gcj02 coordination. chinese national standard
	// so need to conver to bd09 everytime when draw on baidu map
	option.setCoorType("gcj02");
	option.setScanSpan(30000);
	option.setAddrType("all");
	mLocClient.setLocOption(option);

	Drawable marker = this.getResources().getDrawable(R.drawable.icon_marka);
	// 为maker定义位置和边界
	marker.setBounds(0, 0, marker.getIntrinsicWidth(), marker.getIntrinsicHeight());
	mAddrOverlay = new ItemizedOverlay<OverlayItem>(marker, mMapView);
	mMapView.getOverlays().add(mAddrOverlay);

	mMapListener = new MKMapViewListener() {

		@Override
		public void onMapMoveFinish() {
			// TODO Auto-generated method stub
		}

		@Override
		public void onClickMapPoi(MapPoi mapPoiInfo) {
			// TODO Auto-generated method stub
			String title = "";
			if (mapPoiInfo != null) {
				title = mapPoiInfo.strText;
				Toast.makeText(BaiduMapActivity.this, title, Toast.LENGTH_SHORT).show();
			}
		}

		@Override
		public void onGetCurrentMap(Bitmap b) {
			// TODO Auto-generated method stub

		}

		@Override
		public void onMapAnimationFinish() {
		}
	};
	mMapView.regMapViewListener(mBMapManager, mMapListener);

	if (lastLocation != null) {
		GeoPoint point1 = new GeoPoint((int) (lastLocation.getLatitude() * 1e6), (int) (lastLocation.getLongitude() * 1e6));
		point1 = CoordinateConvert.fromGcjToBaidu(point1);
		mMapController.setCenter(point1);
	}
	mMapView.refresh();
	mMapView.invalidate();
}