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Initial support for fused location provider
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app/android/src/uk/co/lutraconsulting/MMAndroidPosition.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| package uk.co.lutraconsulting; | ||
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| import android.Manifest; | ||
| import android.content.Context; | ||
| import android.content.pm.PackageManager; | ||
| import android.location.GnssStatus; | ||
| import android.location.Location; | ||
| import android.location.LocationListener; | ||
| import android.location.LocationManager; | ||
| import android.os.Looper; | ||
| import android.os.Handler; | ||
| import android.util.Log; | ||
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| import androidx.annotation.NonNull; | ||
| import androidx.core.app.ActivityCompat; | ||
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| import com.google.android.gms.common.ConnectionResult; | ||
| import com.google.android.gms.common.GoogleApiAvailability; | ||
| import com.google.android.gms.location.FusedLocationProviderClient; | ||
| import com.google.android.gms.location.LocationCallback; | ||
| import com.google.android.gms.location.LocationRequest; | ||
| import com.google.android.gms.location.LocationResult; | ||
| import com.google.android.gms.location.LocationServices; | ||
| import com.google.android.gms.location.Priority; | ||
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| public class MMAndroidPosition { | ||
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| static public abstract class Callback { | ||
| public void onPositionChanged(@NonNull Location location, GnssStatus gnssStatus) { | ||
| } | ||
| } | ||
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| private static native void jniOnPositionUpdated(int instanceId, Location location, GnssStatus gnssStatus); | ||
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| static public MMAndroidPosition createWithJniCallback(Context context, boolean useFused, int instanceId) { | ||
| Log.i("CPP", "[java] createWithJniCallback"); | ||
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| MMAndroidPosition.Callback callback = new MMAndroidPosition.Callback() { | ||
| @Override | ||
| public void onPositionChanged(@NonNull Location location, GnssStatus gnssStatus) { | ||
| jniOnPositionUpdated(instanceId, location, gnssStatus); | ||
| } | ||
| }; | ||
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| return new MMAndroidPosition(context, callback, useFused); | ||
| } | ||
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| private final Context mContext; | ||
| private final LocationManager mLocationManager; | ||
| private final boolean mUseFused; | ||
| private FusedLocationProviderClient mFusedLocationClient = null; | ||
| private final LocationCallback mLocationCallback; | ||
| private final LocationListener mLocationManagerCallback; | ||
| private final GnssStatus.Callback mGnssStatusCallback; | ||
| private final MMAndroidPosition.Callback mClientCallback; | ||
| private boolean mFusedAvailable = false; | ||
| private boolean mGpsProviderAvailable = false; | ||
| private boolean mIsStarted = false; | ||
| private String mErrorMessage; | ||
| private GnssStatus mLastGnssStatus; | ||
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| public MMAndroidPosition(Context context, MMAndroidPosition.Callback clientCallback, boolean useFused) { | ||
| mContext = context; | ||
| mClientCallback = clientCallback; | ||
| mUseFused = useFused; | ||
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| Log.i("CPP", "[java] constructor!"); | ||
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| mLocationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); | ||
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| if (mUseFused) { | ||
| GoogleApiAvailability googleApiAvailability = GoogleApiAvailability.getInstance(); | ||
| mFusedAvailable = googleApiAvailability.isGooglePlayServicesAvailable(context) == ConnectionResult.SUCCESS; | ||
| Log.i("CPP", "[java] fused available: " + mFusedAvailable); | ||
| if (mFusedAvailable) { | ||
| mFusedLocationClient = LocationServices.getFusedLocationProviderClient(context); | ||
| } | ||
| } else { | ||
| mGpsProviderAvailable = mLocationManager.isProviderEnabled(LocationManager.GPS_PROVIDER); | ||
| Log.i("CPP", "[java] gps provider available: " + mGpsProviderAvailable); | ||
| } | ||
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| mLocationCallback = new LocationCallback() { | ||
| @Override | ||
| public void onLocationResult(@NonNull LocationResult locationResult) { | ||
| for (Location location : locationResult.getLocations()) { | ||
| Log.i("CPP", "[java] FLP " + location.getLatitude() + " " + location.getLongitude()); | ||
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| // call the native function! | ||
| mClientCallback.onPositionChanged(location, mLastGnssStatus); | ||
| } | ||
| } | ||
| }; | ||
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| mGnssStatusCallback = new GnssStatus.Callback() { | ||
| @Override | ||
| public void onSatelliteStatusChanged(@NonNull GnssStatus status) { | ||
| //Log.v("LOC", "GNSS Status: " + status.getSatelliteCount() + " satellites."); | ||
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| // store the satellite info | ||
| mLastGnssStatus = status; | ||
| } | ||
| }; | ||
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| mLocationManagerCallback = new LocationListener() { | ||
| @Override | ||
| public void onLocationChanged(@NonNull Location location) { | ||
| Log.i("CPP", "[java] GPS " + location.getLatitude() + " " + location.getLongitude()); | ||
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| mClientCallback.onPositionChanged(location, mLastGnssStatus); | ||
| } | ||
| }; | ||
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| Log.i("CPP", "[java] constructor end"); | ||
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| } | ||
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| public String errorMessage() { | ||
| return mErrorMessage; | ||
| } | ||
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| public boolean start() { | ||
| Log.i("CPP", "[java] start()"); | ||
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| if (mIsStarted) | ||
| return false; | ||
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| Log.e("CPP", "[java] here 0"); | ||
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| if (mUseFused && !mFusedAvailable) { | ||
| mErrorMessage = "FUSED_NOT_AVAILABLE"; | ||
| Log.e("CPP", "[java] FUSED_NOT_AVAILABLE"); | ||
| return false; | ||
| } | ||
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| if (!mUseFused && !mGpsProviderAvailable) { | ||
| mErrorMessage = "GPS_NOT_AVAILABLE"; | ||
| Log.e("CPP", "[java] GPS_NOT_AVAILABLE"); | ||
| return false; | ||
| } | ||
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| if (ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && | ||
| ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { | ||
| mErrorMessage = "MISSING_PERMISSIONS"; | ||
| Log.e("CPP", "[java] MISSING_PERMISSIONS"); | ||
| return false; | ||
| } | ||
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| Log.e("CPP", "[java] here 1"); | ||
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| if (mUseFused) { | ||
| LocationRequest locationRequest = new LocationRequest.Builder(Priority.PRIORITY_HIGH_ACCURACY, 1000).build(); | ||
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| mFusedLocationClient.requestLocationUpdates(locationRequest, mLocationCallback, Looper.getMainLooper()); | ||
| } | ||
| else { | ||
| mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000L, 0.F, mLocationManagerCallback, Looper.getMainLooper()); | ||
| Log.e("CPP", "[java] here 2"); | ||
| } | ||
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| mLocationManager.registerGnssStatusCallback(mGnssStatusCallback, new Handler(Looper.getMainLooper())); | ||
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| Log.i("CPP", "[java] started!"); | ||
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| mIsStarted = true; | ||
| return true; | ||
| } | ||
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| public boolean stop() { | ||
| Log.i("CPP", "[java] stop()"); | ||
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| if (!mIsStarted) | ||
| return false; | ||
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| if (mUseFused) { | ||
| mFusedLocationClient.removeLocationUpdates(mLocationCallback); | ||
| } else { | ||
| mLocationManager.removeUpdates(mLocationManagerCallback); | ||
| } | ||
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| mLocationManager.unregisterGnssStatusCallback(mGnssStatusCallback); | ||
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| Log.i("CPP", "[java] stopped!"); | ||
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| mIsStarted = false; | ||
| return true; | ||
| } | ||
| } |
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