我正在开发一个应用程序，在此我使用谷歌地图在Android 6.0及6.0以下版本都找到用户的当前位置。问题是我的应用程序显示用户在地图中的当前位置但不是在textfield中显示用户的街道地址，android os版本小于6.0的设备显示文本字段中街道地址的当前位置。以下是我使用的。请建议我，我如何使用android marshmallow解决这个问题？
java
public class Maps_Activity1 extends FragmentActivity implements
OnMapReadyCallback,
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
GoogleMap.OnMarkerDragListener,
GoogleMap.OnMapLongClickListener,
View.OnClickListener {
//Our Map
private GoogleMap mMap;
public static final int REQUEST_ID_ACCESS_COURSE_FINE_LOCATION = 100;
public static final int MY_PERMISSIONS_REQUEST_LOCATION = 100;
//To store longitude and latitude from map
private double longitude;
private double latitude;
String caddress;
//Buttons
private ImageButton buttonSave;
private ImageButton buttonCurrent;
private ImageButton buttonView;
private Button btnProceed, btnskip, btnClocation;
String strAdd;
TextView tvmap, textview;
private boolean loggedIn = false;
public static String email;
private ProgressDialog myProgress;
//Google ApiClient
private GoogleApiClient googleApiClient;
SupportMapFragment mapFragment;
public int STORAGE_PERMISSION_CODE = 23;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
tvmap = (TextView) findViewById(R.id.tv_map);
textview = (TextView) findViewById(R.id.textView_euser);
//progress bar
myProgress = new ProgressDialog(this);
myProgress.setTitle("Map Loading ...");
myProgress.setMessage("Please wait...");
myProgress.setCancelable(true);
// Display Progress Bar.
myProgress.show();
// Obtain the SupportMapFragment and get notified when the map is ready to be used.
mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
//Initializing googleapi client
googleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
//googleapi gps
//Initializing views and adding onclick listeners
btnProceed = (Button) findViewById(R.id.button_proceed);
btnskip = (Button) findViewById(R.id.button_skip);
// btnClocation=(Button)findViewById(R.id.button_clocation);
btnProceed.setOnClickListener(this);
btnskip.setOnClickListener(this);
// btnClocation.setOnClickListener(this);
SharedPreferences sharedPreferences = getSharedPreferences(Config.SHARED_PREF_NAME, Context.MODE_PRIVATE);
loggedIn = sharedPreferences.getBoolean(Config.LOGGEDIN_SHARED_PREF, false);
email = sharedPreferences.getString(Config.EMAIL_SHARED_PREF, "Not Available");
textview.setText(email);
}
@Override
protected void onResume() {
LocationManager mlocManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
boolean enabled = mlocManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
if (!enabled) {
showDialogGPS();
}
super.onResume();
}
private void showDialogGPS() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setCancelable(false);
builder.setTitle("Enable GPS");
builder.setMessage("Please enable GPS");
builder.setInverseBackgroundForced(true);
builder.setPositiveButton("Enable", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
startActivity(
new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));
getCurrentLocation();
moveMap();
}
});
builder.setNegativeButton("Ignore", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
AlertDialog alert = builder.create();
alert.show();
}
@Override
public void onClick(View v) {
if (v == btnProceed) {
// getCurrentLocation();
// moveMap();
if (loggedIn) {
//We will start the Profile Activity
// submitForm();
Intent i = new Intent(Maps_Activity1.this, Search_ActivityND.class);
startActivity(i);
}
} else if (v == btnskip) {
btnclick_skip();
}
}
//dalete alert
private void btnclick_skip() {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
alertDialogBuilder.setMessage("Are you fine this Location?");
alertDialogBuilder.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
// new JSONParserD().execute();
//Starting login activity
Intent intent = new Intent(Maps_Activity1.this, Search_ActivityND.class);
startActivity(intent);
// if (loggedIn) {
// Intent intent = new Intent(MapsActivity.this, Home.class);
// startActivity(intent);
// }
}
});
alertDialogBuilder.setNegativeButton("No",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
}
});
//Showing the alert dialog
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
//saving to database
private void submitForm() {
caddress = tvmap.getText().toString();
email = textview.getText().toString();
// Toast.makeText(this, "Signing up...", Toast.LENGTH_SHORT).show();
new MapAsync(this).execute(caddress, email);
}
@Override
protected void onStart() {
googleApiClient.connect();
super.onStart();
}
@Override
protected void onStop() {
googleApiClient.disconnect();
super.onStop();
}
//Getting current location
private void getCurrentLocation() {
mMap.clear();
//Creating a location object
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// 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.//
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.ACCESS_COARSE_LOCATION},
MY_PERMISSIONS_REQUEST_LOCATION);
return;
}
Location location = LocationServices.FusedLocationApi.getLastLocation(googleApiClient);
if (location != null) {
//Getting longitude and latitude
longitude = location.getLongitude();
latitude = location.getLatitude();
// tvmap.setText("Latitude:" + location.getLatitude() + ", Longitude:" + location.getLongitude());
// strAdd = getCompleteAddressString1(latitude, longitude);
// tvmap.setText("Current Address : " + strAdd);
getCompleteAddressString1(latitude,longitude);
//moving the map to location
moveMap();
}
}
//Function to move the map
private void moveMap() {
//String to display current latitude and longitude
String msg = latitude + ", " + longitude;
//Creating a LatLng Object to store Coordinates
LatLng latLng = new LatLng(latitude, longitude);
//Adding marker to map
mMap.addMarker(new MarkerOptions()
.position(latLng) //setting position
.draggable(true) //Making the marker draggable
.title("Current Location")); //Adding a title
//Moving the camera
mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
//Animating the camera
mMap.animateCamera(CameraUpdateFactory.zoomTo(15));
}
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
LatLng latLng = new LatLng(-34, 151);
mMap.addMarker(new MarkerOptions().position(latLng).draggable(true));
mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
mMap.setOnMarkerDragListener(this);
mMap.setOnMapLongClickListener(this);
}
@Override
public void onConnected(Bundle bundle) {
getCurrentLocation();
myProgress.dismiss();
}
@Override
public void onConnectionSuspended(int i) {
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
}
@Override
public void onMapLongClick(LatLng latLng) {
//Clearing all the markers
mMap.clear();
//Adding a new marker to the current pressed position
mMap.addMarker(new MarkerOptions()
.position(latLng)
.draggable(true));
}
@Override
public void onMarkerDragStart(Marker marker) {
}
@Override
public void onMarkerDrag(Marker marker) {
}
@Override
public void onMarkerDragEnd(Marker marker) {
//Getting the coordinates
latitude = marker.getPosition().latitude;
longitude = marker.getPosition().longitude;
//Moving the map
moveMap();
}
private String getCompleteAddressString1(double LATITUDE, double LONGITUDE) {
strAdd = "";
Geocoder geocoder = new Geocoder(this, Locale.ENGLISH);
try {
List<Address> addresses = geocoder.getFromLocation(LATITUDE, LONGITUDE, 1);
if (addresses != null) {
Address returnedAddress = addresses.get(0);
StringBuilder strReturnedAddress = new StringBuilder("Current Address: ");
for (int i = 0; i < returnedAddress.getMaxAddressLineIndex(); i++) {
strReturnedAddress.append(returnedAddress.getAddressLine(i)).append("\n");
}
strAdd = strReturnedAddress.toString();
tvmap.setText(strAdd);
} else {
tvmap.setText("No Address returned!");
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
tvmap.setText("Cannot get Address!");
}
return strAdd;
}
@Override
public void onRequestPermissionsResult(int requestCode,
String permissions[], int[] grantResults) {
switch (requestCode) {
case MY_PERMISSIONS_REQUEST_LOCATION: {
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// contacts-related task you need to do.
// getCurrentLocation();
// moveMap();
} else {
// permission denied, boo! Disable the
// functionality that depends on this permission.
Toast.makeText(Maps_Activity1.this, "Permission denied", Toast.LENGTH_SHORT).show();
}
return;
}
// other 'case' lines to check for other
// permissions this app might request
}
}
//Backpress button
@Override
public void onBackPressed() {
Intent intent = new Intent();
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
startActivity(intent);
}
}