Android 从位置坐标获取地址并将其添加到textview
这是获取当前位置的代码,我想在文本视图中添加当前位置的地址。如何同时添加地址和显示当前位置。我无法获得如何添加显示当前位置地址的文本视图Android 从位置坐标获取地址并将其添加到textview,android,Android,这是获取当前位置的代码,我想在文本视图中添加当前位置的地址。如何同时添加地址和显示当前位置。我无法获得如何添加显示当前位置地址的文本视图 public class MapActivity extends AppCompatActivity implements OnMapReadyCallback { @Override public void onMapReady(GoogleMap googleMap) { Toast.makeText(this, "Map
public class MapActivity extends AppCompatActivity implements OnMapReadyCallback {
@Override
public void onMapReady(GoogleMap googleMap) {
Toast.makeText(this, "Map is Ready", Toast.LENGTH_SHORT).show();
Log.d(TAG, "onMapReady: map is ready");
mMap = googleMap;
if (mLocationPermissionsGranted) {
getDeviceLocation();
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
mMap.setMyLocationEnabled(true);
mMap.getUiSettings().setMyLocationButtonEnabled(false);
}
}
private static final String TAG = "MapActivity";
private static final String FINE_LOCATION = Manifest.permission.ACCESS_FINE_LOCATION;
private static final String COURSE_LOCATION = Manifest.permission.ACCESS_COARSE_LOCATION;
private static final int LOCATION_PERMISSION_REQUEST_CODE = 1234;
private static final float DEFAULT_ZOOM = 15f;
//vars
private Boolean mLocationPermissionsGranted = false;
private GoogleMap mMap;
private FusedLocationProviderClient mFusedLocationProviderClient;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
getLocationPermission();
}
private void getDeviceLocation(){
Log.d(TAG, "getDeviceLocation: getting the devices current location");
mFusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this);
try{
if(mLocationPermissionsGranted){
final Task location = mFusedLocationProviderClient.getLastLocation();
location.addOnCompleteListener(new OnCompleteListener() {
@Override
public void onComplete(@NonNull Task task) {
if(task.isSuccessful()){
Log.d(TAG, "onComplete: found location!");
Location currentLocation = (Location) task.getResult();
moveCamera(new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude()),
DEFAULT_ZOOM);
}else{
Log.d(TAG, "onComplete: current location is null");
Toast.makeText(MapActivity.this, "unable to get current location", Toast.LENGTH_SHORT).show();
}
}
});
}
}catch (SecurityException e){
Log.e(TAG, "getDeviceLocation: SecurityException: " + e.getMessage() );
}
}
private void moveCamera(LatLng latLng, float zoom){
Log.d(TAG, "moveCamera: moving the camera to: lat: " + latLng.latitude + ", lng: " + latLng.longitude );
mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLng, zoom));
}
private void initMap(){
Log.d(TAG, "initMap: initializing map");
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(MapActivity.this);
}
private void getLocationPermission(){
Log.d(TAG, "getLocationPermission: getting location permissions");
String[] permissions = {Manifest.permission.ACCESS_FINE_LOCATION,
Manifest.permission.ACCESS_COARSE_LOCATION};
if(ContextCompat.checkSelfPermission(this.getApplicationContext(),
FINE_LOCATION) == PackageManager.PERMISSION_GRANTED){
if(ContextCompat.checkSelfPermission(this.getApplicationContext(),
COURSE_LOCATION) == PackageManager.PERMISSION_GRANTED){
mLocationPermissionsGranted = true;
initMap();
}else{
ActivityCompat.requestPermissions(this,
permissions,
LOCATION_PERMISSION_REQUEST_CODE);
}
}else{
ActivityCompat.requestPermissions(this,
permissions,
LOCATION_PERMISSION_REQUEST_CODE);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
Log.d(TAG, "onRequestPermissionsResult: called.");
mLocationPermissionsGranted = false;
switch(requestCode){
case LOCATION_PERMISSION_REQUEST_CODE:{
if(grantResults.length > 0){
for(int i = 0; i < grantResults.length; i++){
if(grantResults[i] != PackageManager.PERMISSION_GRANTED){
mLocationPermissionsGranted = false;
Log.d(TAG, "onRequestPermissionsResult: permission failed");
return;
}
}
Log.d(TAG, "onRequestPermissionsResult: permission granted");
mLocationPermissionsGranted = true;
//initialize our map
initMap();
}
}
}
}
}
公共类MapActivity扩展了AppCompatActivity在MapReadyCallback上的实现{
@凌驾
4月1日公开作废(谷歌地图谷歌地图){
Toast.makeText(这是“地图准备就绪”,Toast.LENGTH_SHORT).show();
Log.d(标记“onMapReady:map is ready”);
mMap=谷歌地图;
如果(mLocationPermissionsGranted){
getDeviceLocation();
if(ActivityCompat.checkSelfPermission(这是Manifest.permission.ACCESS\u FINE\u位置)
!=PackageManager.PERMISSION\u已授予和&ActivityCompat.checkSelfPermission(此,
Manifest.permission.ACCESS\u\u位置)!=PackageManager.permission\u已授予){
返回;
}
mMap.setMyLocationEnabled(真);
mMap.getUiSettings().setMyLocationButtonEnabled(false);
}
}
私有静态最终字符串TAG=“MapActivity”;
私有静态最终字符串FINE\u LOCATION=Manifest.permission.ACCESS\u FINE\u LOCATION;
私有静态最终字符串COURSE\u LOCATION=Manifest.permission.ACCESS\u rough\u LOCATION;
私有静态最终整数位置\权限\请求\代码=1234;
私有静态最终浮动默认值_缩放=15f;
//瓦尔斯
私有布尔值mLocationPermissionsGranted=false;
私有谷歌地图;
私有FusedLocationProviderClient mFusedLocationProviderClient;
@凌驾
创建时受保护的void(@Nullable Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
getLocationPermission();
}
私有void getDeviceLocation(){
Log.d(标签,“getDeviceLocation:获取设备当前位置”);
mFusedLocationProviderClient=LocationServices.getFusedLocationProviderClient(此);
试一试{
如果(mLocationPermissionsGranted){
最终任务位置=mFusedLocationProviderClient.getLastLocation();
location.addOnCompleteListener(新的OnCompleteListener(){
@凌驾
未完成的公共void(@NonNull任务){
if(task.issusccessful()){
Log.d(标记“onComplete:foundlocation!”);
Location currentLocation=(Location)task.getResult();
移动摄像头(新车床(currentLocation.getLatitude(),currentLocation.getLatitude()),
默认值(放大);
}否则{
Log.d(标记“onComplete:当前位置为空”);
Toast.makeText(MapActivity.this,“无法获取当前位置”,Toast.LENGTH_SHORT.show();
}
}
});
}
}捕获(安全异常e){
Log.e(标记“getDeviceLocation:SecurityException:”+e.getMessage());
}
}
专用移动摄影机(锁定、浮动变焦){
Log.d(标签,“移动摄像机:将摄像机移动到:lat:+latLng.lation+”,lng:+latLng.longitude);
mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLng,zoom));
}
私有void initMap(){
d(标记“initMap:initializedmap”);
SupportMapFragment mapFragment=(SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.map);
getMapAsync(MapActivity.this);
}
私有void getLocationPermission(){
Log.d(标记“getLocationPermission:获取位置权限”);
字符串[]权限={Manifest.permission.ACCESS\u FINE\u位置,
Manifest.permission.ACCESS\u\u LOCATION};
if(ContextCompat.checkSelfPermission)(this.getApplicationContext(),
精细位置)==PackageManager.PERMISSION(已授予权限){
if(ContextCompat.checkSelfPermission)(this.getApplicationContext(),
课程位置)==软件包管理员权限(已授予){
mLocationPermissionsGranted=真;
initMap();
}否则{
ActivityCompat.requestPermissions(此,
权限,
位置(许可、请求、代码);
}
}否则{
ActivityCompat.requestPermissions(此,
权限,
位置(许可、请求、代码);
}
}
@凌驾
public void onRequestPermissionsResult(int-requestCode,@NonNull-String[]permissions,@NonNull-int[]grantResults){
d(标记“onRequestPermissionsResult:called”);
mLocationPermissionsGranted=错误;
开关(请求代码){
案例位置\权限\请求\代码:{
如果(grantResults.length>0){
对于(int i=0;i
任何帮助都将不胜感激 您可能应该看看Android框架位置API中的类 基本上,您必须遵循三个步骤:
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