private Location map(LatLng latLng1, float bearing) {
Location location = new Location(PROVIDER);
location.setLatitude(latLng1.lat);
location.setLongitude(latLng1.lng);
location.setAccuracy(3.0f);
location.setTime(System.currentTimeMillis());
location.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
location.setBearing(bearing);
location.setSpeed(13.4f);
location.setAltitude(0d);
return location;
}
private void retrieveLocation() {
Location location = null;
final Iterator<String> providers =
mLocationManager.getProviders(new Criteria(), true).iterator();
while (providers.hasNext()) {
final Location lastKnownLocation = mLocationManager.getLastKnownLocation(providers.next());
// pick the most recent location
if (location == null
|| (lastKnownLocation != null
&& location.getElapsedRealtimeNanos()
< lastKnownLocation.getElapsedRealtimeNanos())) {
location = lastKnownLocation;
}
}
// In the case there is no location available (e.g. GPS fix or network location
// is not available yet), the longitude of the location is estimated using the timezone,
// latitude and accuracy are set to get a good average.
if (location == null) {
Time currentTime = new Time();
currentTime.set(System.currentTimeMillis());
double lngOffset =
FACTOR_GMT_OFFSET_LONGITUDE * (currentTime.gmtoff - (currentTime.isDst > 0 ? 3600 : 0));
location = new Location("fake");
location.setLongitude(lngOffset);
location.setLatitude(0);
location.setAccuracy(417000.0f);
location.setTime(System.currentTimeMillis());
location.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
if (DEBUG) {
Slog.d(TAG, "Estimated location from timezone: " + location);
}
}
setLocation(location);
}
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (1 == msg.what) {
// 模拟一个 Locaiton 数据，数据要设全，因为 {@link LocationManagerServicer} 内部会做校验
Location mockLocation = new Location(mTargetProvider);
mockLocation.setTime(System.currentTimeMillis());
mockLocation.setLongitude(mFakeLon);
mockLocation.setLatitude(mFakeLat);
mockLocation.setAccuracy(100);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
mockLocation.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.CUPCAKE /*
&& mLocationManager.isProviderEnabled(mTestProvider)*/
&& mLocationManager.isProviderEnabled(mTargetProvider)) {
mLocationManager.setTestProviderLocation(mTestProvider, mockLocation);
// 看看伪造是否成功
Location l = mLocationManager.getLastKnownLocation(mTargetProvider);
String info;
if (null == l) {
info = "mock location false.";
} else {
info = "lat&long:" + l.getLatitude() + l.getLongitude();
}
ToastUtil.show(mContext, info);
}
// 需要每隔几秒重新设置一下伪造的数据，保障伪造数据一直在
MyHandler.this.sendMessageDelayed(MyHandler.this.obtainMessage(1), 1000);
} else if (2 == msg.what) {
mHandler.removeMessages(1);
}
}
public void mockGpsPoint(int diretion) {
// 1.将基点坐标转化为UTM坐标；
String utmLatlon = ConverUtil.latLon2UTM(mLocation.getLatitude(), mLocation.getLongitude());
int[] xy = UTM2Xy(utmLatlon);
// 2.将UTM坐标向指定方向偏移；
x = xy[0];
y = xy[1];
if (diretion == TO_LEFT) {
bearing -= 15;
} else if (diretion == TO_RIGHT) {
bearing += 15;
} else if (diretion == TO_TOP) {
// 处理前进算法
double sin = Math.sin(Math.PI * bearing / 180.0);
double cos = Math.cos(Math.PI * bearing / 180.0);
int x_dis = (int) (dis_array[mManager.current_Gear] * sin);
int y_dis = (int) (dis_array[mManager.current_Gear] * cos);
x += x_dis;
y += y_dis;
Log.i(
MockService.TAG,
"Math bearing="
+ bearing
+ ",sin="
+ sin
+ ",cos="
+ cos
+ ", x_dis="
+ x_dis
+ ",y_dis="
+ y_dis);
}
// 3.将偏移后的UTM坐标转为经纬度坐标；
String str = "50 R " + x + " " + y;
double[] latlon = ConverUtil.utm2LatLon(str);
Log.i(
MockService.TAG,
"utmLatlon="
+ utmLatlon
+ ",getLatitude="
+ mLocation.getLatitude()
+ ",getLongitude="
+ mLocation.getLongitude());
/*同一个经纬度，经纬度转UTM，UTM转经纬度，经纬度再转UTM后，y总是会减1，该算法有误差
Log.i(MockService.TAG, "utmLatlon1="+str+",latlon1="+latlon[0]+",latlon2="+latlon[1]);
String utmLatlon0 = ConverUtil.latLon2UTM(latlon[0], latlon[1]);
int[] xy0 = UTM2Xy(utmLatlon0);
String str0 = "50 R "+ xy0[0] + " " + xy0[1];
double[] latlon0 = ConverUtil.utm2LatLon(str0);
Log.i(MockService.TAG, "utmLatlon2="+utmLatlon0+",latlon2="+latlon0[0]+",latlon2="+latlon0[1]);*/
mLocation.setLatitude(latlon[0]);
mLocation.setLongitude(latlon[1]);
mLocation.setBearing(bearing);
mLocation.setAccuracy(70);
mLocation.setSpeed(dis_array[mManager.current_Gear] / 1); // 每秒移动dis_array[i]的距离
mLocation.setTime(System.currentTimeMillis());
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
// 没有设该时间，高德地图不会移动
mLocation.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
}
try {
lm.setTestProviderLocation(providerName, mLocation);
} catch (SecurityException e) {
Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG);
e.printStackTrace();
}
}