android – 模拟位置无法在Google地图上运行

概述我使用了 this的代码.我稍微改了一下.以下是我的代码段.问题是谷歌地图没有显示我嘲笑的正确位置. public class MockGpsProviderActivity extends Activity implements LocationListener {public static final String LOG_TAG = "MockGpsProviderActivity";p 我使用了 this的代码.我稍微改了一下.以下是我的代码段.问题是谷歌地图没有显示我嘲笑的正确位置.

public class MockGpsProvIDerActivity extends Activity implements LocationListener {public static final String LOG_TAG = "MockGpsProvIDerActivity";private static final String MOCK_GPS_PROVIDER_INDEX = "GpsMockProvIDerIndex";private MockGpsProvIDer mMockGpsProvIDerTask = null;private Integer mMockGpsProvIDerIndex = 0;/** Called when the activity is first created. *//* * (non-Javadoc) *  * @see androID.app.Activity#onCreate(androID.os.Bundle) */@OverrIDepublic voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.main);    /** Use saved instance state if necessary. */    if (savedInstanceState instanceof Bundle) {        /** Let's find out where we were. */        mMockGpsProvIDerIndex = savedInstanceState.getInt(MOCK_GPS_PROVIDER_INDEX,0);    }    /** Setup GPS. */    LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);    // if(locationManager.isProvIDerEnabled(LocationManager.GPS_PROVIDER)){    // // use real GPS provIDer if enabled on the device    // locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,this);    // }    // else if(!locationManager.isProvIDerEnabled(MockGpsProvIDer.GPS_MOCK_PROVIDER)) {    // otherwise enable the mock GPS provIDer    locationManager.addTestProvIDer(MockGpsProvIDer.GPS_MOCK_PROVIDER,false,true,Criteria.POWER_LOW,Criteria.ACCURACY_FINE);    locationManager.setTestProvIDerEnabled(MockGpsProvIDer.GPS_MOCK_PROVIDER,true);    locationManager.setTestProvIDerStatus(LocationManager.GPS_PROVIDER,LocationProvIDer.AVAILABLE,null,System.currentTimeMillis());    // }    if (locationManager.isProvIDerEnabled(MockGpsProvIDer.GPS_MOCK_PROVIDER)) {        locationManager.requestLocationUpdates(MockGpsProvIDer.GPS_MOCK_PROVIDER,this);        /** Load mock GPS data from file and create mock GPS provIDer. */        try {            // create a List of Strings that can dynamically grow            List<String> data = new ArrayList<String>();            /**             * read a CSV file containing wgs84 coordinates from the 'assets' folder (The website http://www.gpsIEs.com offers downloadable             * tracks. Select a track and download it as a CSV file. Then add it to your assets folder.)             */            inputStream is = getAssets().open("mock_gps_data.csv");            BufferedReader reader = new BufferedReader(new inputStreamReader(is));            // add each line in the file to the List            String line = null;            while ((line = reader.readline()) != null) {                data.add(line);            }            // convert to a simple array so we can pass it to the AsyncTask            String[] coordinates = new String[data.size()];            data.toArray(coordinates);            // create new AsyncTask and pass the List of GPS coordinates            mMockGpsProvIDerTask = new MockGpsProvIDer();            mMockGpsProvIDerTask.execute(coordinates);        } catch (Exception e) {        }    }}@OverrIDepublic voID onDestroy() {    super.onDestroy();    // stop the mock GPS provIDer by calling the 'cancel(true)' method    try {        mMockGpsProvIDerTask.cancel(true);        mMockGpsProvIDerTask = null;    } catch (Exception e) {    }    // remove it from the location manager    try {        LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);        locationManager.removeTestProvIDer(MockGpsProvIDer.GPS_MOCK_PROVIDER);    } catch (Exception e) {    }}@OverrIDepublic voID onSaveInstanceState(Bundle savedInstanceState) {    // store where we are before closing the app,so we can skip to the location right away when restarting    savedInstanceState.putInt(MOCK_GPS_PROVIDER_INDEX,mMockGpsProvIDerIndex);    super.onSaveInstanceState(savedInstanceState);}@OverrIDepublic voID onLocationChanged(Location location) {    // show the received location in the vIEw    TextVIEw vIEw = (TextVIEw) findVIEwByID(R.ID.text);    vIEw.setText("index:" + mMockGpsProvIDerIndex + "\nlongitude:" + location.getLongitude() + "\nlatitude:" + location.getLatitude()            + "\naltitude:" + location.getAltitude());}@OverrIDepublic voID onProvIDerDisabled(String provIDer) {    // Todo auto-generated method stub}@OverrIDepublic voID onProvIDerEnabled(String provIDer) {    // Todo auto-generated method stub}@OverrIDepublic voID onStatusChanged(String provIDer,int status,Bundle extras) {    // Todo auto-generated method stub}/** define a mock GPS provIDer as an asynchronous task of this Activity. */private class MockGpsProvIDer extends AsyncTask<String,Integer,VoID> {    public static final String LOG_TAG = "GpsMockProvIDer";    public static final String GPS_MOCK_PROVIDER = LocationManager.GPS_PROVIDER;    /** Keeps track of the currently processed coordinate. */    public Integer index = 0;    @OverrIDe    protected VoID doInBackground(String... data) {        // process data        for (String str : data) {            // skip data if needed (see the Activity's savedInstanceState functionality)            if (index < mMockGpsProvIDerIndex) {                index++;                continue;            }            // let UI Thread kNow which coordinate we are processing            publishProgress(index);            // retrIEve data from the current line of text            Double latitude = null;            Double longitude = null;            Double altitude = null;            try {                String[] parts = str.split(",");                latitude = Double.valueOf(parts[0]);                longitude = Double.valueOf(parts[1]);                altitude = Double.valueOf(parts[2]);            } catch (NullPointerException e) {                break;            } // no data available            catch (Exception e) {                continue;            } // empty or invalID line            // translate to actual GPS location            Location location = new Location(GPS_MOCK_PROVIDER);            location.setLatitude(latitude);            location.setLongitude(longitude);            location.setAltitude(altitude);            location.setAccuracy(1);            location.setTime(System.currentTimeMillis());            location.setbearing(0F);            location.setSpeed(0.0F);               // show deBUG message in log            Log.d(LOG_TAG,location.toString());            // provIDe the new location            LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);            locationManager.setTestProvIDerLocation(GPS_MOCK_PROVIDER,location);            // sleep for a while before provIDing next location            try {                Thread.sleep(200);                // gracefully handle Thread interruption (important!)                if (Thread.currentThread().isInterrupted())                    throw new InterruptedException("");            } catch (InterruptedException e) {                break;            }            // keep track of processed locations            index++;        }        return null;    }    @OverrIDe    protected voID onProgressUpdate(Integer... values) {        Log.d(LOG_TAG,"onProgressUpdate():" + values[0]);        mMockGpsProvIDerIndex = values[0];    }}}

解决方法 尝试添加：

location.setAccuracy(16F);location.setAltitude(0D);location.setbearing(0F);

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