【发布时间】：2020-11-26 20:54:59
【问题描述】：
我正在构建一个 GPS 应用程序，但 GoogleAPIClient 已被弃用，我不知道如何修复它。此外，当我运行该应用程序时，我得到一个不会导致任何结果的登录按钮，这可能与此有关，因为我知道 GoogleSignInClient 存在。另外，如果您能将我链接到更详细的 GoogleApi 说明，我将不胜感激！
public static final String MA = "MainActivity";
private final static int REQUEST_CODE = 100;
private GoogleApiClient gac;
private Location location;
private TextView locationTV;
private TextView distanceTV;
private TextView addressET;
private TextView timeLeftTV;
private String destinationAddress = "";
private TravelManager manager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
locationTV = (TextView) findViewById(R.id.location_tv);
manager = new TravelManager();
addressET = (EditText) findViewById(R.id.destination_et);
distanceTV = (TextView) findViewById(R.id.distance_tv);
timeLeftTV = (TextView) findViewById(R.id.time_left_tv);
gac = new GoogleApiClient.Builder(this).addConnectionCallbacks(this).addOnConnectionFailedListener(this).addApi(LocationServices.API).build();
}
public void updateTrip(View v) {
String address = addressET.getText().toString();
boolean goodGeoCoding = true;
if (!address.equals(destinationAddress)) {
destinationAddress = address;
Geocoder geocoder = new Geocoder(this);
try {
List<Address> addresses = geocoder.getFromLocationName(destinationAddress, 5);
if (address != null) {
double latitude = addresses.get(0).getLatitude();
double longitude = addresses.get(0).getLongitude();
Location destinationLocation = new Location("destination");
destinationLocation.setLatitude(latitude);
destinationLocation.setLongitude(longitude);
manager.setDestination(destinationLocation);
}
} catch (IOException ioException) {
goodGeoCoding = false;
}
}
FusedLocationProviderApi fusedLocationProviderApi = LocationServices.FusedLocationApi;
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
Location current = fusedLocationProviderApi.getLastLocation(gac);
if (current != null && goodGeoCoding) {
distanceTV.setText(manager.milesToDestination(current));
timeLeftTV.setText(manager.timeToDestination(current));
}
}
public void displayLocation() {
FusedLocationProviderApi fusedLocationProviderApi = LocationServices.FusedLocationApi;
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
location = fusedLocationProviderApi.getLastLocation(gac);
if (location != null) {
double latitude = location.getLatitude();
double longitude = location.getLongitude();
locationTV.setText(latitude + ", " + longitude);
Log.w(MA, "latutude = " + latitude + "; longitude = " + longitude);
}else
locationTV.setText("Error locating the device");
}
public void onConnected(Bundle hint) {
Log.w(MA, "connected");
displayLocation();
}
public void onConnectionSuspended(int cause) {
Log.w(MA, "connection suspended");
}
public void onConnectionFailed(ConnectionResult result) {
Log.w(MA, "connection failed");
if (result.hasResolution()){
try {
result.startResolutionForResult(this, REQUEST_CODE);
}catch (IntentSender.SendIntentException sendIntentException) {
Toast.makeText(this,"Google Play services problem, exiting", Toast.LENGTH_LONG).show();
finish();
}
}
}
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
gac.connect();
}
}
protected void onStart() {
super.onStart();
if (gac != null)
gac.connect();
}
}
【问题讨论】：
标签： java android-studio mobile google-api deprecated