package com.home;import android.app.Activity;import android.content.Context;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.util.AttributeSet;import android.util.Log;import android.view.Menu;import android.view.MotionEvent;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.RadioGroup;import android.widget.TextView;import android.widget.Toast;import android.widget.RadioGroup.OnCheckedChangeListener;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.LocationData;import com.baidu.mapapi.map.MapController;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.MyLocationOverlay;import com.baidu.mapapi.map.PopupClickListener;import com.baidu.mapapi.map.PopupOverlay;import com.baidu.platform.comapi.basestruct.GeoPoint;/** * 此demo用来展示如何结合定位SDK实现定位，并使用MyLocationOverlay绘制定位位置 同时展示如何使用自定义图标绘制并点击时弹出泡泡 * */public class LocationOverlayActivity extends Activity { // 定位相关 LocationClient mLocClient; LocationData locData = null; public MyLocationListenner myListener = new MyLocationListenner(); // 定位图层 locationOverlay myLocationOverlay = null; // 弹出泡泡图层 private PopupOverlay pop = null;// 弹出泡泡图层，浏览节点时使用 private TextView popupText = null;// 泡泡view private View viewCache = null; // 地图相关，使用继承MapView的MyLocationMapView目的是重写touch事件实现泡泡处理 // 如果不处理touch事件，则无需继承，直接使用MapView即可 MyLocationMapView mMapView = null; // 地图View private MapController mMapController = null; // UI相关 OnCheckedChangeListener radioButtonListener = null; Button requestLocButton = null; boolean isRequest = false;// 是否手动触发请求定位 boolean isFirstLoc = true;// 是否首次定位 @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_locationoverlay); CharSequence titleLable = "定位功能"; setTitle(titleLable); requestLocButton = (Button) findViewById(R.id.button1); OnClickListener btnClickListener = new OnClickListener() { @Override public void onClick(View v) { // 手动定位请求 requestLocClick(); } }; requestLocButton.setOnClickListener(btnClickListener); RadioGroup group = (RadioGroup) this.findViewById(R.id.radioGroup); radioButtonListener = new OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { if (checkedId == R.id.defaulticon) { // 传入null则，恢复默认图标 modifyLocationOverlayIcon(null); } if (checkedId == R.id.customicon) { // 修改为自定义marker modifyLocationOverlayIcon(getResources().getDrawable( R.drawable.icon_geo)); } } }; group.setOnCheckedChangeListener(radioButtonListener); // 地图初始化 mMapView = (MyLocationMapView) findViewById(R.id.bmapView); mMapController = mMapView.getController(); mMapView.getController().setZoom(14); mMapView.getController().enableClick(true); mMapView.setBuiltInZoomControls(true); // 创建 弹出泡泡图层 createPaopao(); // 定位初始化 mLocClient = new LocationClient(this); locData = new LocationData(); mLocClient.registerLocationListener(myListener); LocationClientOption option = new LocationClientOption(); option.setOpenGps(true);// 打开gps option.setCoorType("bd09ll"); // 设置坐标类型 option.setScanSpan(5000); mLocClient.setLocOption(option); mLocClient.start(); // 定位图层初始化 myLocationOverlay = new locationOverlay(mMapView); // 设置定位数据 myLocationOverlay.setData(locData); // 添加定位图层 mMapView.getOverlays().add(myLocationOverlay); myLocationOverlay.enableCompass(); // 修改定位数据后刷新图层生效 mMapView.refresh(); } /** * 手动触发一次定位请求 */ public void requestLocClick() { isRequest = true; mLocClient.requestLocation(); Toast.makeText(LocationOverlayActivity.this, "正在定位……", Toast.LENGTH_SHORT).show(); } /** * 修改位置图标 * * @param marker */ public void modifyLocationOverlayIcon(Drawable marker) { // 当传入marker为null时，使用默认图标绘制 myLocationOverlay.setMarker(marker); // 修改图层，需要刷新MapView生效 mMapView.refresh(); } /** * 创建弹出泡泡图层 */ public void createPaopao() { viewCache = getLayoutInflater() .inflate(R.layout.custom_text_view, null); popupText = (TextView) viewCache.findViewById(R.id.textcache); // 泡泡点击响应回调 PopupClickListener popListener = new PopupClickListener() { @Override public void onClickedPopup(int index) { Log.v("click", "clickapoapo"); } }; pop = new PopupOverlay(mMapView, popListener); MyLocationMapView.pop = pop; } /** * 定位SDK监听函数 */ public class MyLocationListenner implements BDLocationListener { @Override public void onReceiveLocation(BDLocation location) { if (location == null) return; locData.latitude = location.getLatitude(); locData.longitude = location.getLongitude(); // 如果不显示定位精度圈，将accuracy赋值为0即可 locData.accuracy = location.getRadius(); locData.direction = location.getDerect(); // 更新定位数据 myLocationOverlay.setData(locData); // 更新图层数据执行刷新后生效 mMapView.refresh(); // 是手动触发请求或首次定位时，移动到定位点 if (isRequest || isFirstLoc) { // 移动地图到定位点 mMapController.animateTo(new GeoPoint( (int) (locData.latitude * 1e6), (int) (locData.longitude * 1e6))); isRequest = false; } // 首次定位完成 isFirstLoc = false; } public void onReceivePoi(BDLocation poiLocation) { if (poiLocation == null) { return; } } } // 继承MyLocationOverlay重写dispatchTap实现点击处理 public class locationOverlay extends MyLocationOverlay { public locationOverlay(MapView mapView) { super(mapView); } @Override protected boolean dispatchTap() { // 处理点击事件,弹出泡泡 popupText.setBackgroundResource(R.drawable.popup); popupText.setText("我的位置"); pop.showPopup(BMapUtil.getBitmapFromView(popupText), new GeoPoint( (int) (locData.latitude * 1e6), (int) (locData.longitude * 1e6)), 8); return true; } } @Override protected void onPause() { mMapView.onPause(); super.onPause(); } @Override protected void onResume() { mMapView.onResume(); super.onResume(); } @Override protected void onDestroy() { // 退出时销毁定位 if (mLocClient != null) mLocClient.stop(); mMapView.destroy(); super.onDestroy(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); mMapView.onSaveInstanceState(outState); } @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); mMapView.onRestoreInstanceState(savedInstanceState); } @Override public boolean onCreateOptionsMenu(Menu menu) { return true; }}/** * 继承MapView重写onTouchEvent实现泡泡处理操作 * * @author Administrator * */class MyLocationMapView extends MapView { static PopupOverlay pop = null;// 弹出泡泡图层，点击图标使用 public MyLocationMapView(Context context) { super(context); } public MyLocationMapView(Context context, AttributeSet attrs) { super(context, attrs); } public MyLocationMapView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } @Override public boolean onTouchEvent(MotionEvent event) { if (!super.onTouchEvent(event)) { // 消隐泡泡 if (pop != null && event.getAction() == MotionEvent.ACTION_UP) pop.hidePop(); } return true; }}联系客服
