Android百度定位导航之基于百度地图移动获取位置和自动定位

public class MyApplication extends Application {static MyApplication myApplication;BMapManager mBMapManager = null;String mStrKey = "7ZfuRcOx1G3oZ8TKuTNGm4sO";boolean m_bKeyRight = true; // 授权Key正确，验证通过private List<Activity> activityList = new LinkedList<Activity>();@Overridepublic void onCreate() {myApplication = this;initEngineManager(this);super.onCreate();}public void initEngineManager(Context context) {if (mBMapManager == null) {mBMapManager = new BMapManager(context);Toast.makeText(MyApplication.getInstance().getApplicationContext(),"BMapManager 初始化SUCSUC!", Toast.LENGTH_LONG).show();}if (!mBMapManager.init(mStrKey, new MyGeneralListener())) {Toast.makeText(MyApplication.getInstance().getApplicationContext(),"BMapManager 初始化错误!", Toast.LENGTH_LONG).show();}}public static MyApplication getInstance() {if (myApplication == null) {myApplication = new MyApplication();}return myApplication;}public void addActivity(Activity activity) {activityList.add(activity);}public void exit() {for (Activity activity : activityList) {activity.finish();}System.exit(0);}// 常用事件监听，用来处理通常的网络错误，授权验证错误等static class MyGeneralListener implements MKGeneralListener {public void onGetNetworkState(int iError) {if (iError == MKEvent.ERROR_NETWORK_CONNECT) {Toast.makeText(MyApplication.getInstance().getApplicationContext(),"您的网络出错啦！", Toast.LENGTH_LONG).show();} else if (iError == MKEvent.ERROR_NETWORK_DATA) {Toast.makeText(MyApplication.getInstance().getApplicationContext(),"输入正确的检索条件！", Toast.LENGTH_LONG).show();}// ...}public void onGetPermissionState(int iError) {if (iError == MKEvent.ERROR_PERMISSION_DENIED) {// 授权Key错误：Toast.makeText(MyApplication.getInstance().getApplicationContext(),"请输入正确的授权Key！",Toast.LENGTH_LONG).show();MyApplication.getInstance().m_bKeyRight = false;}}}} 

public class MainActivity extends Activity {public MyApplication app;static MapView mMapView = null;public MKMapViewListener mMapListener = null;MyLocationOverlay myLocationOverlay = null;// 定位相关LocationClient mLocClient;public NotifyLister mNotifyer = null;public MyLocationListenner myListener = new MyLocationListenner();LocationData locData = null;private MapController mMapController = null;static MKSearch mkSerach;Handler mHandler = new Handler() {public void handleMessage(android.os.Message msg) {Toast.makeText(MainActivity.this, "msg:" + msg.what,Toast.LENGTH_SHORT).show();};};static TextView showAddr;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);showAddr = (TextView) findViewById(R.id.showAddr);MyIcon mi = new MyIcon(this);//在屏幕中心点添加接我图标getWindow().addContentView(mi,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));MyIcon2 m2 = new MyIcon2(this);getWindow().addContentView(m2,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));mMapView = (MapView) findViewById(R.id.bmapsView);mMapController = mMapView.getController();initMapView();app = MyApplication.getInstance();mLocClient = new LocationClient(this);mLocClient.registerLocationListener(myListener);//搜索初始化mkSerach = new MKSearch();mkSerach.init(app.mBMapManager, new MKSearchListener() {@Overridepublic void onGetWalkingRouteResult(MKWalkingRouteResult arg0,int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetTransitRouteResult(MKTransitRouteResult arg0,int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetPoiResult(MKPoiResult arg0, int arg1, int arg2) {// TODO Auto-generated method stub}@Overridepublic void onGetPoiDetailSearchResult(int arg0, int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetDrivingRouteResult(MKDrivingRouteResult arg0,int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetBusDetailResult(MKBusLineResult arg0, int arg1) {// TODO Auto-generated method stub}@Overridepublic void onGetAddrResult(MKAddrInfo info, int arg1) {showAddr.setText(info.strAddr);}});//设置地图相关LocationClientOption option = new LocationClientOption();option.setOpenGps(true);option.setCoorType("bd09ll");option.setScanSpan(300000);mLocClient.setLocOption(option);mLocClient.start();mMapView.getController().setZoom(16);mMapView.getController().enableClick(true);mMapView.displayZoomControls(true);mMapListener = new MKMapViewListener() {public void onMapMoveFinish() {}public void onClickMapPoi(MapPoi mapPoiInfo) {// TODO Auto-generated method stubString title = "";if (mapPoiInfo != null) {title = mapPoiInfo.strText;Toast.makeText(MainActivity.this, title, Toast.LENGTH_SHORT).show();}}};mMapView.regMapViewListener(MyApplication.getInstance().mBMapManager,mMapListener);myLocationOverlay = new MyLocationOverlay(mMapView);locData = new LocationData();myLocationOverlay.setData(locData);mMapView.getOverlays().add(myLocationOverlay);myLocationOverlay.enableCompass();mMapView.refresh();}private void initMapView() {mMapView.setLongClickable(true);}/*** 监听函数，又新位置的时候，格式化成字符串，输出到屏幕中*/public class MyLocationListenner implements BDLocationListener {public void onReceiveLocation(BDLocation location) {if (location == null)return;locData.latitude = location.getLatitude();locData.longitude = location.getLongitude();locData.direction = 2.0f;locData.accuracy = location.getRadius();locData.direction = location.getDerect();Log.d("loctest",String.format("before: lat: %f lon: %f",location.getLatitude(), location.getLongitude()));myLocationOverlay.setData(locData);mMapView.refresh();mMapController.animateTo(new GeoPoint((int) (locData.latitude * 1e6),(int) (locData.longitude * 1e6)), mHandler.obtainMessage(1));}public void onReceivePoi(BDLocation poiLocation) {if (poiLocation == null) {return;}}}public class NotifyLister extends BDNotifyListener {public void onNotify(BDLocation mlocation, float distance) {}}@Overrideprotected void onPause() {mMapView.onPause();super.onPause();}@Overrideprotected void onResume() {mMapView.onResume();super.onResume();}@Overrideprotected void onSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);mMapView.onSaveInstanceState(outState);}@Overrideprotected void onRestoreInstanceState(Bundle savedInstanceState) {super.onRestoreInstanceState(savedInstanceState);mMapView.onRestoreInstanceState(savedInstanceState);}public static void getPosition(GeoPoint g) {mkSerach.reverseGeocode(g);showAddr.setText("获取位置中...");}}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="fill_parent"android:layout_height="fill_parent"android:orientation="vertical"><TextView android:id="@+id/showAddr"android:gravity="center"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="选择地点"android:textSize="20dp"/> <com.baidu.mapapi.map.MapViewandroid:id="@+id/bmapsView"android:layout_width="fill_parent"android:layout_height="fill_parent"android:clickable="true" /> </LinearLayout>

public class MyIcon extends View {public static int w;public static int h;public static Bitmap mBitmap;public MyIcon(Context context) {super(context);mBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.me);}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);w = this.getWidth() / 2 - mBitmap.getWidth() / 2;h = this.getHeight() / 2 - mBitmap.getHeight() / 2;canvas.drawBitmap(mBitmap, w, h, null);}}public class MyIcon2 extends View{public static int w;public static int h;private Bitmap mBitmap;public MyIcon2(Context context) {super(context);mBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.jiewo);}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);w = this.getWidth() / 2 - mBitmap.getWidth() / 2;h = (this.getHeight() / 2 - mBitmap.getHeight() / 2) - ( MyIcon.mBitmap.getHeight()/2);canvas.drawBitmap(mBitmap, w, h, null);}}