AndroidTutorialForBeginners/GoogleApiClient.java at master · wiselh/AndroidTutorialForBeginners · GitHub

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publicclassMyLocationListener
implementsGoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener, com.google.android.gms.location.LocationListener
 {
privatefinalStringTAG = "LOC_RECURRING_SAMPLE";

// Constants that define how often location updates will be delivered
privatefinallongLOC_UPDATE_INTERVAL = 10000; // 10s in milliseconds
privatefinallongLOC_FASTEST_UPDATE = 5000; // 5s in milliseconds

protectedGoogleApiClientmGoogleApiClient;
protectedLocationRequestmLocRequest;
publicLocationmCurLocation;

Contextcontext;
publicMyLocationListener( Contextcontext) {
this.context=context;
mCurLocation = null;

// build the Play Services client object
mGoogleApiClient = newGoogleApiClient.Builder(context)
 .addConnectionCallbacks(this)
 .addOnConnectionFailedListener(this)
 .addApi(LocationServices.API)
 .build();
mLocRequest=newLocationRequest();
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();
 }


publicvoidstartLocationUpdates() {
// TODO: start the location updates

LocationServices.FusedLocationApi.requestLocationUpdates(
mGoogleApiClient,mLocRequest,this);


 }

publicvoidstopLocationUpdates() {
// TODO: stop the updates

LocationServices.FusedLocationApi.removeLocationUpdates(
mGoogleApiClient, this);


 }

protectedvoidupdateUI() {
// take the lat and long of the current location object and add it to the list
if (mCurLocation != null) {
Stringlat = String.format("Lat: %f\n", mCurLocation.getLatitude());
Stringlon = String.format("Lon: %f\n", mCurLocation.getLongitude());


 }
 }

protectedvoidinitializeUI() {
// 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
 */

publicvoidonClick(intid ) {
switch (id){
case1:
startLocationUpdates();
break;
case0:
stopLocationUpdates();
break;
 }
 }

/**
 * Called by Play Services when the user's location changes
 */
@Override
publicvoidonLocationChanged(Locationloc) {
mCurLocation = loc;
LocationService.location=loc;
updateUI();
 }


/**
 * Google Play Services Lifecycle methods
 */
@Override
publicvoidonConnected(BundleconnectionHint) {

initializeUI();
startLocationUpdates();
 }

@Override
publicvoidonConnectionFailed(ConnectionResultresult) {
Log.d(TAG, "Connection failed: ConnectionResult.getErrorCode() = " + result.getErrorCode());
 }

@Override
publicvoidonConnectionSuspended(intcause) {
Log.d(TAG, "Connection was suspended for some reason");
mGoogleApiClient.connect();
 }

/**
 * Activity lifecycle events
 */
publicvoidonStart() {

mGoogleApiClient.connect();
 }

publicvoidonStop() {
mGoogleApiClient.disconnect();

 }

 }