如果我运行它,第一次它会询问位置权限并给出gps位置但是在关闭并再次打开它之后它不会给出任何数据 有卸载并重新安装它agian,然后它工作正常,任何人都可以帮助我? 我已经工作了几个星期而且我被困在这里
locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
locationListener = new LocationListener() {
@Override
public void onLocationChanged(Location location) {
new task().execute("http://192.168.0.104:1337/updatelocation?user_id="+tveid.getText()+"&lat="+location.getLatitude()+"&lng="+location.getLongitude());
Toast.makeText(TrackingGpsLocation.this,location.getLatitude() +" "+location.getLongitude(), Toast.LENGTH_SHORT).show();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(intent);
}
};
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
requestPermissions(new String[]{
Manifest.permission.ACCESS_FINE_LOCATION,Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.INTERNET
}, 10);
return;
}
}else {
configureButton();
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode){
case 10:
if (grantResults.length>0 && grantResults[0] == getPackageManager().PERMISSION_GRANTED)
configureButton();
return;
}
}
private void configureButton() {
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
locationManager.requestLocationUpdates("gps", 5000, 0, locationListener);
}
});
}