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GoogleApiClient.java
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140 lines (101 loc) · 3.98 KB
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public class MyLocationListener
implements GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener, com.google.android.gms.location.LocationListener
{
private final String TAG = "LOC_RECURRING_SAMPLE";
// Constants that define how often location updates will be delivered
private final long LOC_UPDATE_INTERVAL = 10000; // 10s in milliseconds
private final long LOC_FASTEST_UPDATE = 5000; // 5s in milliseconds
protected GoogleApiClient mGoogleApiClient;
protected LocationRequest mLocRequest;
public Location mCurLocation;
Context context;
public MyLocationListener( Context context) {
this.context=context;
mCurLocation = null;
// build the Play Services client object
mGoogleApiClient = new GoogleApiClient.Builder(context)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
mLocRequest=new LocationRequest();
mLocRequest.setInterval(LOC_UPDATE_INTERVAL);
mLocRequest.setFastestInterval(LOC_FASTEST_UPDATE);
mLocRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
// TODO: create the LocationRequest we'll use for location updates
onStart();
}
public void startLocationUpdates() {
// TODO: start the location updates
LocationServices.FusedLocationApi.requestLocationUpdates(
mGoogleApiClient,mLocRequest,this);
}
public void stopLocationUpdates() {
// TODO: stop the updates
LocationServices.FusedLocationApi.removeLocationUpdates(
mGoogleApiClient, this);
}
protected void updateUI() {
// take the lat and long of the current location object and add it to the list
if (mCurLocation != null) {
String lat = String.format("Lat: %f\n", mCurLocation.getLatitude());
String lon = String.format("Lon: %f\n", mCurLocation.getLongitude());
}
}
protected void initializeUI() {
// start by getting the last known location as a starting point
if (mCurLocation == null) {
mCurLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
updateUI();
}
}
/**
* Called to handle the button clicks in the view
*/
public void onClick(int id ) {
switch (id){
case 1:
startLocationUpdates();
break;
case 0:
stopLocationUpdates();
break;
}
}
/**
* Called by Play Services when the user's location changes
*/
@Override
public void onLocationChanged(Location loc) {
mCurLocation = loc;
LocationService.location=loc;
updateUI();
}
/**
* Google Play Services Lifecycle methods
*/
@Override
public void onConnected(Bundle connectionHint) {
initializeUI();
startLocationUpdates();
}
@Override
public void onConnectionFailed(ConnectionResult result) {
Log.d(TAG, "Connection failed: ConnectionResult.getErrorCode() = " + result.getErrorCode());
}
@Override
public void onConnectionSuspended(int cause) {
Log.d(TAG, "Connection was suspended for some reason");
mGoogleApiClient.connect();
}
/**
* Activity lifecycle events
*/
public void onStart() {
mGoogleApiClient.connect();
}
public void onStop() {
mGoogleApiClient.disconnect();
}
}