这是获取我当前的位置并显示该位置的详细信息，但我想要做的是能够在我的当前位置显示谷歌地图，我需要在片段中执行此操作。
源代码
dict1.get('b') < dict1.get('c') < dict1.get('a')XML
package location.com.prjlocationdemo;
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Address;
import android.location.Criteria;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
import java.io.IOException;
import java.util.List;
public class GetMyAddress extends AppCompatActivity
{
TextView AddressText;
Geocoder objCoder;
String provider;
Criteria objCriteria;
LocationManager objLocationManager;
Location objLocation;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_get_my_address);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
AddressText = (TextView) findViewById(R.id.tvMyAddress);
objCriteria = new Criteria();
objLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
objCriteria.setAccuracy(Criteria.NO_REQUIREMENT);
objCriteria.setPowerRequirement(Criteria.NO_REQUIREMENT);
// provider = objLocationManager.getBestProvider(objCriteria,true);
provider = objLocationManager.NETWORK_PROVIDER;
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;
}
objLocationManager.requestLocationUpdates(provider, 1000, 0, new LocationListener()
{
@Override
public void onLocationChanged(Location location)
{
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras)
{
}
@Override
public void onProviderEnabled(String provider)
{
Toast.makeText(GetMyAddress.this, "Location On", Toast.LENGTH_SHORT).show();
}
@Override
public void onProviderDisabled(String provider)
{
Toast.makeText(GetMyAddress.this, "Location Off", Toast.LENGTH_SHORT).show();
}
});
}
//*********************************************************************************************************
public void btnClick(View v)
{
RetrieveLocation objAddress = new RetrieveLocation();
objAddress.execute(objLocation);
}
//*********************************************************************************************************
public class RetrieveLocation extends AsyncTask<Location, Void, String>
{
@Override
protected void onPreExecute()
{
Toast.makeText(getApplication(), "Finding Your Location....", Toast.LENGTH_SHORT).show();
}
//***************************************************************************
@Override
protected String doInBackground(Location... params)
{
String myAddress = null;
if (Geocoder.isPresent())
{
objCoder = new Geocoder(getApplicationContext());
if (ActivityCompat.checkSelfPermission(GetMyAddress.this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(GetMyAddress.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 "";
}
params[0] = objLocationManager.getLastKnownLocation(provider);
if (params[0] != null)
{
List<Address> objAddressList = null;
try
{
objAddressList = objCoder.getFromLocation(params[0].getLatitude(), params[0].getLongitude(), 1);
if (objAddressList != null)
{
for (Address addressLoc : objAddressList)
{
String city = addressLoc.getLocality();
String country = addressLoc.getCountryName();
String place = addressLoc.getFeatureName();
String road = addressLoc.getSubThoroughfare();
String postal = addressLoc.getPostalCode();
myAddress = "Address\n City : " + city +
"\nCountry : " + country +
"\nName Of Place : " + place +
"\nRoad : " + road +
"\nPostal Code : " + postal + "\n";
int addressIndex = addressLoc.getMaxAddressLineIndex();
for (int count = 0; count <= addressIndex; count++)
{
String line = addressLoc.getAddressLine(count);
myAddress += line + "\n";
}
}
}
else
{
return "No Location Found";
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
else
{
return "Nothing Found";
}
}
return myAddress;
}
//****************************************************************************************
@Override
protected void onPostExecute(String s)
{
AddressText.setText(s);
Log.d("Prov",provider);
}
}
}
我试图将其添加到其中
但是获取<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="location.com.prjlocationdemo.GetMyAddress"
tools:showIn="@layout/activity_get_my_address">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="My Address"
android:id="@+id/tvMyAddress"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="86dp" />
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Get My Address"
android:id="@+id/btnAddress"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="125dp"
android:onClick="btnClick"/>
</RelativeLayout>
map = mapView.getMap(); map.setMyLocationEnabled(true);给了我错误。
catch (GooglePlayServicesNotAvailableException e) {e.printStackTrace();}答案 0 :(得分：0)
<LinearLayout
android:orientation="vertical"
android:minWidth="25px"
android:minHeight="25px"
android:layout_width="match_parent"
android:layout_height="280dp"
android:id="@+id/mapLay"
android:background="@color/blue25">
<fragment xmlns:map="http://schemas.android.com/apk/res-auto"
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
tools:context="com.example.k.guides4art20.MapsActivity"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
您可以使用布局的这一部分