package com.demo.an.android.location;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.Toast;
import android.widget.ToggleButton;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationConfiguration;
import com.baidu.mapapi.map.MyLocationConfiguration.LocationMode;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

/**
 * 此demo用來展示如何結合定位SDK實現定位，並使用MyLocationOverlay繪製定位位置 同時展示如何使用自定義圖示繪製並點選時彈出泡泡
 * 
 */
public class LocationDemo extends Activity {

	// 定位相關
	LocationClient mLocClient;
	public MyLocationListenner myListener = new MyLocationListenner();
	private LocationMode mCurrentMode;
	BitmapDescriptor mCurrentMarker;

	MapView mMapView;
	BaiduMap mBaiduMap;

	// UI相關
	OnCheckedChangeListener radioButtonListener;
	Button requestLocButton;
	ToggleButton togglebtn = null;
	boolean isFirstLoc = true;// 是否首次定位

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_location);
		requestLocButton = (Button) findViewById(R.id.button1);
		mCurrentMode = LocationMode.NORMAL;
		requestLocButton.setText("普通");
		OnClickListener btnClickListener = new OnClickListener() {
			public void onClick(View v) {
				switch (mCurrentMode) {
				case NORMAL:
					requestLocButton.setText("跟隨");
					mCurrentMode = LocationMode.FOLLOWING;
					mBaiduMap
							.setMyLocationConfigeration(new MyLocationConfiguration(
									mCurrentMode, true, mCurrentMarker));
					break;
				case COMPASS:
					requestLocButton.setText("普通");
					mCurrentMode = LocationMode.NORMAL;
					mBaiduMap
							.setMyLocationConfigeration(new MyLocationConfiguration(
									mCurrentMode, true, mCurrentMarker));
					break;
				case FOLLOWING:
					requestLocButton.setText("羅盤");
					mCurrentMode = LocationMode.COMPASS;
					mBaiduMap
							.setMyLocationConfigeration(new MyLocationConfiguration(
									mCurrentMode, true, mCurrentMarker));
					break;
				}
			}
		};
		requestLocButton.setOnClickListener(btnClickListener);

		togglebtn = (ToggleButton) findViewById(R.id.togglebutton);
		togglebtn
				.setOnCheckedChangeListener(new android.widget.CompoundButton.OnCheckedChangeListener() {

					@Override
					public void onCheckedChanged(CompoundButton buttonView,
							boolean isChecked) {
						if (isChecked) {
							// 普通地圖
							mBaiduMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE);
						} else {
							// 衛星地圖
							mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);
						}

					}
				});

		// 地圖初始化
		mMapView = (MapView) findViewById(R.id.bmapView);
		mBaiduMap = mMapView.getMap();
		// 開啟定點陣圖層
		mBaiduMap.setMyLocationEnabled(true);
		// 定位初始化
		mLocClient = new LocationClient(this);
		mLocClient.registerLocationListener(myListener);
		LocationClientOption option = new LocationClientOption();
		option.setOpenGps(true);// 開啟gps
		option.setCoorType("bd09ll"); // 設定座標型別
		option.setScanSpan(1000);// 設定發起定位請求的間隔時間為1000ms
		option.setIsNeedAddress(true);
		mLocClient.setLocOption(option);
		mLocClient.start();
	}

	/**
	 * 定位SDK監聽函式
	 */
	public class MyLocationListenner implements BDLocationListener {

		@Override
		public void onReceiveLocation(BDLocation location) {
			// map view 銷燬後不在處理新接收的位置
			if (location == null || mMapView == null)
				return;
			MyLocationData locData = new MyLocationData.Builder()
					.accuracy(location.getRadius())
					// 此處設定開發者獲取到的方向資訊，順時針0-360
					.direction(100).latitude(location.getLatitude())
					.longitude(location.getLongitude()).build();
			mBaiduMap.setMyLocationData(locData);
			if (isFirstLoc) {
				isFirstLoc = false;
				LatLng ll = new LatLng(location.getLatitude(),
						location.getLongitude());
				// MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
				// 設定縮放比例,更新地圖狀態
				float f = mBaiduMap.getMaxZoomLevel();// 19.0
				MapStatusUpdate u = MapStatusUpdateFactory.newLatLngZoom(ll,
						f - 2);
				mBaiduMap.animateMapStatus(u);
				//地圖位置顯示
				Toast.makeText(LocationDemo.this, location.getAddrStr(),
						Toast.LENGTH_SHORT).show();
			}

		}

		public void onReceivePoi(BDLocation poiLocation) {
		}
	}

	@Override
	protected void onPause() {
		mMapView.onPause();
		super.onPause();
	}

	@Override
	protected void onResume() {
		mMapView.onResume();
		super.onResume();
	}

	@Override
	protected void onDestroy() {
		// 退出時銷燬定位
		mLocClient.stop();
		// 關閉定點陣圖層
		mBaiduMap.setMyLocationEnabled(false);
		mMapView.onDestroy();
		mMapView = null;
		super.onDestroy();
	}

}