WzcxShow.java

package com.jiuqi.njt.son;

import java.util.ArrayList;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.text.Html;
import android.text.Spanned;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewStub;
import android.widget.Toast;

import com.amap.api.maps.AMap;
import com.amap.api.maps.AMap.CancelableCallback;
import com.amap.api.maps.AMap.InfoWindowAdapter;
import com.amap.api.maps.AMap.OnInfoWindowClickListener;
import com.amap.api.maps.AMap.OnMapClickListener;
import com.amap.api.maps.AMap.OnMarkerClickListener;
import com.amap.api.maps.CameraUpdate;
import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.SupportMapFragment;
import com.amap.api.maps.UiSettings;
import com.amap.api.maps.model.BitmapDescriptorFactory;
import com.amap.api.maps.model.CameraPosition;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.Marker;
import com.amap.api.maps.model.MarkerOptions;
import com.jiuqi.lbsinterface.bean.UserPositionBean;
import com.jiuqi.njt.R;
import com.jiuqi.njt.util.DateUtil;
import com.jiuqi.njt.util.TitleBarUtil;
import com.jiuqi.njt.util.UIUtil;

public class WzcxShow extends FragmentActivity implements OnMarkerClickListener,
		OnMapClickListener, OnInfoWindowClickListener, InfoWindowAdapter {

	private AMap aMap;
	private static int zoomLevel = 15;// 放大倍数
	private LatLng point;

	String content = "";
	Spanned spContent = null;

	// 新增
	View popView;
	int i;

	ArrayList<UserPositionBean> locations = null;

	@SuppressWarnings("unchecked")
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.wzcx);

		ViewStub rlTitleBar = (ViewStub) findViewById(R.id.titleBarStub);
		TitleBarUtil.createTitleBar(this, rlTitleBar,
				getResources().getString(R.string.LocationTxt),
				new OnClickListener() {

					@Override
					public void onClick(View v) {
						releaseListener();
						WzcxShow.this.finish();
					}
				},"详情", new OnClickListener() {
					
					@Override
					public void onClick(View v) {
						Intent i = new Intent(WzcxShow.this,LocationDetail.class);
						i.putExtra("locList", locations);
						startActivity(i);
					}
				});

		aMap = ((SupportMapFragment) getSupportFragmentManager()
				.findFragmentById(R.id.mylocationview)).getMap();

		if (null == aMap) {
			UIUtil.showMsg(WzcxShow.this, "初始化失败");
		}

		/**
		 * 显示被定为人的位置信息
		 */
		Intent intent = getIntent();
		locations = (ArrayList<UserPositionBean>) intent
				.getSerializableExtra("locList");
		setUpMap();
	}

	// 设置地图属性
	private void setUpMap() {
		addMarkersToMap();
		registerListener();// 注册监听
		mapUISetting();
	}


	private void addMarkersToMap() {
		for (UserPositionBean position : locations) {
			double lon = position.getLongitude();
			double lat = position.getLatitude();

			if(lon == 0.0 && lat == 0.0){
				continue;
			}
			
			String date = DateUtil.getTimeStamp(position.getCreateDate(),
					DateUtil.MM_DD_HH_MM_SS);

			String content = "手机号码：" + position.getSim() + "<br>时间：" + date
					+ "<br>经度：" + lon + "</br>" + "<br>纬度：" + lat + "</br>"
					+ "<br>详情：" + splitStr(position.getContent(),10) + "</br>";

			LatLng ll = new LatLng(lat, lon);
			addMarker(ll, "目标名称：" + position.getUserName(),
					Html.fromHtml(content).toString());
			if (point == null) {
				point = ll;
			}
		}

		updateView(point);
		
	}
	
	private String splitStr (String str,int length){
		StringBuffer sbBuffer = new StringBuffer();
		
		if(str.length()<= length){
			sbBuffer.append(str);
		}else{
			int len = str.length()/length;
			for(int i =0;i<=len;i++){
				
				sbBuffer.append("</br>");
				
				if(length<=str.length() && i!=len){
					sbBuffer.append(str.substring(i*length, (i+1)*length));
				}else {
					sbBuffer.append(str.substring(i*length, str.length()));
				} 
				
				sbBuffer.append("<br>");
			}
		}
		
		return sbBuffer.toString();
	}

	private void mapUISetting() {
		UiSettings aUiSettings = aMap.getUiSettings();
		aUiSettings.setScaleControlsEnabled(true);// 设置地图默认的比例尺是否显示
		aUiSettings.setZoomControlsEnabled(true);// 设置地图默认的缩放按钮
	}
	
	private void addMarker(LatLng poi, String title, String snippet) {
		Marker startMarker = aMap.addMarker((new MarkerOptions()).position(poi)
				.icon(BitmapDescriptorFactory.defaultMarker()).title(title)
				.snippet(snippet));
		startMarker.showInfoWindow();
	}

	// 切换视图
	private void updateView(LatLng poi) {
		if(poi == null){
			Toast.makeText(WzcxShow.this, "没有可显示的位置信息", Toast.LENGTH_LONG).show();
		}else{
			CameraPosition camerapoint = new CameraPosition.Builder().target(poi)
					.zoom(zoomLevel).bearing(0).tilt(45).build();
			changeCamera(CameraUpdateFactory.newCameraPosition(camerapoint), null);
		}
	}

	/**
	 * 根据动画按钮状态，调用函数animateCamera或moveCamera来改变可视区
	 * 
	 */
	private void changeCamera(CameraUpdate update, CancelableCallback callback) {
		aMap.moveCamera(update);
	}

	private void registerListener() {
		aMap.setOnMapClickListener(WzcxShow.this);
		aMap.setOnMarkerClickListener(WzcxShow.this);
		aMap.setOnInfoWindowClickListener(WzcxShow.this);
		aMap.setInfoWindowAdapter(WzcxShow.this);
	}

	private void releaseListener() {
		aMap.setOnMapClickListener(null);
		aMap.setOnMarkerClickListener(null);
		aMap.setOnInfoWindowClickListener(null);
		aMap.setInfoWindowAdapter(null);
	}

	public void showToast(String showString) {
		Toast.makeText(getApplicationContext(), showString, Toast.LENGTH_SHORT)
				.show();
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0){
			releaseListener();
		}
		return super.onKeyDown(keyCode, event);
	}
	
	@Override
	public View getInfoContents(Marker arg0) {

		return null;
	}

	@Override
	public View getInfoWindow(Marker arg0) {

		return null;
	}

	@Override
	public void onInfoWindowClick(Marker marker) {
		if(marker.isInfoWindowShown()){
			marker.hideInfoWindow();
		} 
	}

	@Override
	public void onMapClick(LatLng arg0) {

	}
	@Override
	public boolean onMarkerClick(Marker m) {
		return false;
	}
}