谷歌地图无法访问当前位置

问题描述 投票:0回答:0

我是 Android 开发的新手,最近我用谷歌地图创建了一个应用程序来访问用户的当前位置。最初,地图工作正常并且可以访问位置。突然间,地图停止工作,只要点击地图活动,应用程序就会崩溃。没有更改代码。我目前居住在英国。

我已检查以确保在控制台中启用了 Google Maps API,一切似乎都很好。

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@drawable/logo1"
        android:label="@string/app_name"
        android:roundIcon="@drawable/logo1"
        android:supportsRtl="true"
        android:theme="@style/Theme.VConnectChatApp"
        tools:targetApi="31">
        <activity
            android:name=".MapActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".ChatActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".ChangePasswordActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".ProfileActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".MainActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".ForgetPasswordActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".PhoneAuthActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".SignUpActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".SplashActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>

            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".loginActivity"
            android:exported="true">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>

        <meta-data
            android:name="com.google.android.gms.version"
            android:value="@integer/google_play_services_version" />

        <uses-library
            android:name="org.apache.http.legacy"
            android:required="false" />

        <meta-data
            android:name="com.google.android.geo.API_KEY"
            android:value="AIzaSyDj2ABGNPhTveaDx4Fnt0FitseiBTnt9x0" />
    </application>

</manifest>

MapActivity.java


import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

import android.Manifest;
import android.annotation.SuppressLint;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Bundle;
import android.view.WindowManager;
import android.widget.Toast;

import com.google.android.gms.location.FusedLocationProviderClient;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.android.gms.tasks.Task;
import com.karumi.dexter.Dexter;
import com.karumi.dexter.PermissionToken;
import com.karumi.dexter.listener.PermissionDeniedResponse;
import com.karumi.dexter.listener.PermissionGrantedResponse;
import com.karumi.dexter.listener.PermissionRequest;
import com.karumi.dexter.listener.single.PermissionListener;

public class MapActivity extends AppCompatActivity {

    private GoogleMap mMap;
    private FusedLocationProviderClient mFusedLocationClient;
    private Location mLastLocation;
    SupportMapFragment supportMapFragment;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

        supportMapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map_fragment);

        mFusedLocationClient = (FusedLocationProviderClient) LocationServices.getFusedLocationProviderClient(this);

        Dexter.withContext(getApplicationContext()).withPermission(Manifest.permission.ACCESS_FINE_LOCATION)
                .withListener(new PermissionListener() {
                    @Override
                    public void onPermissionGranted(PermissionGrantedResponse permissionGrantedResponse) {
                        getCurrentLocation();
                    }

                    @Override
                    public void onPermissionDenied(PermissionDeniedResponse permissionDeniedResponse) {

                    }

                    @Override
                    public void onPermissionRationaleShouldBeShown(PermissionRequest permissionRequest, PermissionToken permissionToken) {

                        permissionToken.continuePermissionRequest();
                    }
                }).check();
    }

    private void getCurrentLocation() {

        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;
        }
        Task<Location> task = mFusedLocationClient.getLastLocation();
        task.addOnSuccessListener(new OnSuccessListener<Location>() {
            @Override
            public void onSuccess(Location location) {
                supportMapFragment.getMapAsync(new OnMapReadyCallback() {
                    @Override
                    public void onMapReady(@NonNull GoogleMap googleMap) {
                        if (location != null){
                            LatLng latLng = new LatLng(location.getLatitude(),location.getLongitude());
                            MarkerOptions markerOptions = new MarkerOptions().position(latLng).title("Your Are Here!");
                            googleMap.addMarker(markerOptions);
                            googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng,15));

                        }else {
                            Toast.makeText(MapActivity.this, "Please Turn on App Location Permission", Toast.LENGTH_SHORT).show();
                        }
                    }
                });
            }
        });
    }


    }

activity_map.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".MapActivity">

    <fragment
        android:id="@+id/map_fragment"
        android:name="com.google.android.gms.maps.SupportMapFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <ImageView
        android:id="@+id/imageViewBackHomePage"
        android:layout_width="90dp"
        android:layout_height="90dp"
        android:layout_gravity="left"
        android:padding="17dp"
        app:srcCompat="@drawable/ic_baseline_arrow_back_24"
        tools:ignore="MissingConstraints" />

</androidx.constraintlayout.widget.ConstraintLayout>
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