我的Lat Long始终显示0.0 导入android.Manifest; 导入android.content.pm.PackageManager; 导入android.location.location; 导入android.os.Bundle; 导入android.support.v4.app.ActivityCompat; 导入android.support.v7.app.AppActivity; 导入android.util.Log; 导入android.view.view; 导入android.widget.Button; 导入android.widget.TextView; 导入com.google.android.gms.common.ConnectionResult; 导入com.google.android.gms.common.api.GoogleAppClient; 导入com.google.android.gms.location.FusedLocationProviderApi; 导入com.google.android.gms.location.LocationRequest; 导入com.google.android.gms.location.LocationServices; 公共类MainActivity扩展AppCompativeActivity实现com.google.android.gms.location.LocationListener、GoogleAppClient.ConnectionCallbacks、GoogleAppClient.OnConnectionFailedListener{ 私有最终FusedLocationProviderApi FusedLocationProviderApi=LocationServices.FusedLocationApi; 私人GoogleapClient MGoogleapClient; 私人位置请求mLocationRequest; 私人双重身份; 私人双保险; 按钮; 文本视图文本视图; @凌驾 创建时受保护的void(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mgoogleapclient=新的Googleapclient.Builder(此) .addApi(LocationServices.API).addConnectionCallbacks(this) .addOnConnectionFailedListener(this.build(); 按钮=(按钮)findViewById(R.id.btn\u开始); textView=(textView)findViewById(R.id.txt_路由); setOnClickListener(新视图.OnClickListener(){ @凌驾 公共void onClick(视图v){ textView.setText(String.valueOf(currentlatitude+currentlatitude)); } }); } @凌驾 受保护的void onResume(){ super.onResume(); mGoogleApiClient.connect(); } @凌驾 受保护的void onPause(){ super.onPause(); if(mGoogleApiClient!=null){ mGoogleApiClient.disconnect(); } } @凌驾 未连接的公共空间(捆绑arg0){ final LocationRequest LocationRequest=LocationRequest.create(); 定位请求 .setPriority(位置请求、优先级、功率、精度); 位置请求设置间隔(30*1000); locationRequest.SetFastTestInterval(5*1000); if(ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS\u FINE\u LOCATION)!=PackageManager.permission\u已授予和&ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS\u LOCATION)!=PackageManager.permission\u已授予){ 考虑到呼叫 //ActivityCompat#请求权限 //在此处请求缺少的权限,然后覆盖 //public void onRequestPermissionsResult(int-requestCode,字符串[]权限, //int[]格兰特结果) //处理用户授予权限的情况。请参阅文档 //对于ActivityCompat,请请求权限以获取更多详细信息。 返回; } fusedLocationProviderApi.requestLocationUpdates(MGoogleAppClient, 位置请求,此); Location Location=LocationServices.FusedLocationApi.getLastLocation(mgoogleapClient); if(位置==null){ // LocationServices.FusedLocationApi.RequestLocationUpdate(mgoogleapClient、mlLocationRequest、this); fusedLocationProviderApi.requestLocationUpdates(MGoogleAppClient, 位置请求,此); //currentLattitude=location.getLatitude(); //currentLongitude=location.getLongitude(); Log.e(“Lat”,“current latitude”); Log.e(“长”、“当前经度”); }否则{ currentLattitude=location.getLatitude(); currentLongitude=location.getLongitude(); Log.e(“Lat”,“current latitude”); Log.e(“长”、“当前经度”); } } @凌驾 连接上的公共无效已暂停(int arg0){ //TODO自动生成的方法存根 } @凌驾 连接失败的公共void(连接结果arg0){ //TODO自动生成的方法存根 } @凌驾 已更改位置上的公共无效(位置){ //位置不超过10分钟,且具有合理的 //准确度(50米),完成 如果(System.currentTimeMillis()
在我的应用程序中,我获得了用户的lat长度,而没有启用移动设备的GPS定位。我用这段代码试了很多次,但这段代码总是抛出LAT-LONG 0.0。请帮我解决这个问题。告诉我这个代码会有什么问题 所以基本上, Manifest.permission.ACCESS\u FINE\u位置-这将适用于GPS Manifest.permission.ACCESS\u位置-这将适用于网络 因此,更改您的&&with | |将对您有效,目前您要求这两项都应被允许我的Lat Long始终显示0.0 导入android.Manifest; 导入android.content.pm.PackageManager; 导入android.location.location; 导入android.os.Bundle; 导入android.support.v4.app.ActivityCompat; 导入android.support.v7.app.AppActivity; 导入android.util.Log; 导入android.view.view; 导入android.widget.Button; 导入android.widget.TextView; 导入com.google.android.gms.common.ConnectionResult; 导入com.google.android.gms.common.api.GoogleAppClient; 导入com.google.android.gms.location.FusedLocationProviderApi; 导入com.google.android.gms.location.LocationRequest; 导入com.google.android.gms.location.LocationServices; 公共类MainActivity扩展AppCompativeActivity实现com.google.android.gms.location.LocationListener、GoogleAppClient.ConnectionCallbacks、GoogleAppClient.OnConnectionFailedListener{ 私有最终FusedLocationProviderApi FusedLocationProviderApi=LocationServices.FusedLocationApi; 私人GoogleapClient MGoogleapClient; 私人位置请求mLocationRequest; 私人双重身份; 私人双保险; 按钮; 文本视图文本视图; @凌驾 创建时受保护的void(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mgoogleapclient=新的Googleapclient.Builder(此) .addApi(LocationServices.API).addConnectionCallbacks(this) .addOnConnectionFailedListener(this.build(); 按钮=(按钮)findViewById(R.id.btn\u开始); textView=(textView)findViewById(R.id.txt_路由); setOnClickListener(新视图.OnClickListener(){ @凌驾 公共void onClick(视图v){ textView.setText(String.valueOf(currentlatitude+currentlatitude)); } }); } @凌驾 受保护的void onResume(){ super.onResume(); mGoogleApiClient.connect(); } @凌驾 受保护的void onPause(){ super.onPause(); if(mGoogleApiClient!=null){ mGoogleApiClient.disconnect(); } } @凌驾 未连接的公共空间(捆绑arg0){ final LocationRequest LocationRequest=LocationRequest.create(); 定位请求 .setPriority(位置请求、优先级、功率、精度); 位置请求设置间隔(30*1000); locationRequest.SetFastTestInterval(5*1000); if(ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS\u FINE\u LOCATION)!=PackageManager.permission\u已授予和&ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS\u LOCATION)!=PackageManager.permission\u已授予){ 考虑到呼叫 //ActivityCompat#请求权限 //在此处请求缺少的权限,然后覆盖 //public void onRequestPermissionsResult(int-requestCode,字符串[]权限, //int[]格兰特结果) //处理用户授予权限的情况。请参阅文档 //对于ActivityCompat,请请求权限以获取更多详细信息。 返回; } fusedLocationProviderApi.requestLocationUpdates(MGoogleAppClient, 位置请求,此); Location Location=LocationServices.FusedLocationApi.getLastLocation(mgoogleapClient); if(位置==null){ // LocationServices.FusedLocationApi.RequestLocationUpdate(mgoogleapClient、mlLocationRequest、this); fusedLocationProviderApi.requestLocationUpdates(MGoogleAppClient, 位置请求,此); //currentLattitude=location.getLatitude(); //currentLongitude=location.getLongitude(); Log.e(“Lat”,“current latitude”); Log.e(“长”、“当前经度”); }否则{ currentLattitude=location.getLatitude(); currentLongitude=location.getLongitude(); Log.e(“Lat”,“current latitude”); Log.e(“长”、“当前经度”); } } @凌驾 连接上的公共无效已暂停(int arg0){ //TODO自动生成的方法存根 } @凌驾 连接失败的公共void(连接结果arg0){ //TODO自动生成的方法存根 } @凌驾 已更改位置上的公共无效(位置){ //位置不超过10分钟,且具有合理的 //准确度(50米),完成 如果(System.currentTimeMillis(),android,google-api-client,android-location,locationlistener,android-gps,Android,Google Api Client,Android Location,Locationlistener,Android Gps,在我的应用程序中,我获得了用户的lat长度,而没有启用移动设备的GPS定位。我用这段代码试了很多次,但这段代码总是抛出LAT-LONG 0.0。请帮我解决这个问题。告诉我这个代码会有什么问题 所以基本上, Manifest.permission.ACCESS\u FINE\u位置-这将适用于GPS Manifest.permission.ACCESS\u位置-这将适用于网络 因此,更改您的&&with | |将对您有效,目前您要求这两项都应被允许 import android.Manifest;
import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.FusedLocationProviderApi;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;
public class MainActivity extends AppCompatActivity implements com.google.android.gms.location.LocationListener, GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
private final FusedLocationProviderApi fusedLocationProviderApi = LocationServices.FusedLocationApi;
private GoogleApiClient mGoogleApiClient;
private LocationRequest mLocationRequest;
private double currentLattitude;
private double currentLongitude;
Button button;
TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addApi(LocationServices.API).addConnectionCallbacks(this)
.addOnConnectionFailedListener(this).build();
button = (Button) findViewById(R.id.btn_start);
textView = (TextView) findViewById(R.id.txt_route);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
textView.setText(String.valueOf(currentLattitude + currentLongitude));
}
});
}
@Override
protected void onResume() {
super.onResume();
mGoogleApiClient.connect();
}
@Override
protected void onPause() {
super.onPause();
if (mGoogleApiClient != null) {
mGoogleApiClient.disconnect();
}
}
@Override
public void onConnected(Bundle arg0) {
final LocationRequest locationRequest = LocationRequest.create();
locationRequest
.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);
locationRequest.setInterval(30 * 1000);
locationRequest.setFastestInterval(5 * 1000);
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;
}
fusedLocationProviderApi.requestLocationUpdates(mGoogleApiClient,
locationRequest, this);
Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
if (location == null) {
//
LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);
fusedLocationProviderApi.requestLocationUpdates(mGoogleApiClient,
locationRequest, this);
// currentLattitude = location.getLatitude();
// currentLongitude = location.getLongitude();
Log.e("Lat" , "" +currentLattitude);
Log.e("Long" , "" +currentLongitude);
} else {
currentLattitude = location.getLatitude();
currentLongitude = location.getLongitude();
Log.e("Lat" , "" +currentLattitude);
Log.e("Long" , "" +currentLongitude);
}
}
@Override
public void onConnectionSuspended(int arg0) {
// TODO Auto-generated method stub
}
@Override
public void onConnectionFailed(ConnectionResult arg0) {
// TODO Auto-generated method stub
}
@Override
public void onLocationChanged(Location location) {
// the location is no more than 10 min old, and with reasonable
// accurarcy (50m), done
if (System.currentTimeMillis() < location.getTime() + 10 * 60 * 1000
&& location.getAccuracy() < 50) {
mGoogleApiClient.disconnect();
mGoogleApiClient = null;
}
}
}
您应该通过从函数中传递的Location对象获取纬度和经度,在“onLocationChanged”回调中获取坐标。 还要检查您的舱单是否包含以下内容:
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;
}
在“OnCreate”中添加此代码:
你想把它叫到任何你想叫的地方:
// CHECK LOCATION SERVICES IS ON
LocationManagerControl locationManagerControl = new LocationManagerControl(this);
try {
if (locationManagerControl.isLocationServiceAvailable()) {
try {
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
} catch (Exception e) {
e.printStackTrace();
}
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationListener = new LocationListener() {
// @Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
// @Override
public void onLocationChanged(Location location) {
user_lat = location.getLatitude();
user_lng = location.getLongitude();
}
};
} else {
locationManagerControl.createLocationServiceError(MainActivity.this);
}
}catch (Exception e){
e.printStackTrace();
}
别忘了加上:
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);
并将以下权限添加到AndroidManifest.xml文件中的应用程序中
- 互联网
- 访问\u FINE\u位置
- 访问\u粗略\u位置
我希望这有帮助。尝试将您的代码与此代码匹配好,但您是否尝试在回调中获取纬度和经度?如果仍然不起作用,看看这里
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);
LocationManager locationManager;
LocationListener locationListener;