permission denied with createNewFile on SD card api 23

Hello.

package com.elf_m.android.testsdcard; import android.Manifest; import android.content.pm.PackageManager; import android.os.Environment; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.Toast; import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.io.OutputStreamWriter; import android.support.design.widget.Snackbar; public class MainActivity extends AppCompatActivity implements ActivityCompat.OnRequestPermissionsResultCallback { Button mButton; private View mLayout; private static final int PERMISSION_STORAGE = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mLayout = findViewById(R.id.main_layout); mButton = (Button) findViewById(R.id.button); mButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { SaveFile(); } }); } @Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { // BEGIN_INCLUDE(onRequestPermissionsResult) if (requestCode == PERMISSION_STORAGE) { // Request for camera permission. if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { // Permission has been granted. Start camera preview Activity. Toast.makeText(this, "WRITE_EXTERNAL_STORAGE. Starting SaveFile", Toast.LENGTH_SHORT).show(); SaveFileToSD(); } else { // Permission request was denied. Toast.makeText(this, "WRITE_EXTERNAL_STORAGE permission request was denied.", Toast.LENGTH_SHORT).show(); } } // END_INCLUDE(onRequestPermissionsResult) } private void SaveFile() { // BEGIN_INCLUDE(startCamera) // Check if the Camera permission has been granted if (ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // Permission is already available, start camera preview Toast.makeText(this, "WRITE_EXTERNAL_STORAGE is available.", Toast.LENGTH_SHORT).show(); SaveFileToSD(); } else { // Permission is missing and must be requested. requestWRITEEXTERNALPermission(); } // END_INCLUDE(startCamera) } private void requestWRITEEXTERNALPermission() { // Permission has not been granted and must be requested. if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Provide an additional rationale to the user if the permission was not granted // and the user would benefit from additional context for the use of the permission. // Display a SnackBar with a button to request the missing permission. Snackbar.make(mLayout, "WRITE_EXTERNAL_STORAGE access is required to display the camera preview.", Snackbar.LENGTH_INDEFINITE).setAction("OK", new View.OnClickListener() { @Override public void onClick(View view) { // Request the permission ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, PERMISSION_STORAGE); } }).show(); } else { Snackbar.make(mLayout, "Permission is not available. Requesting WRITE_EXTERNAL_STORAGE permission.", Snackbar.LENGTH_SHORT).show(); // Request the permission. The result will be received in onRequestPermissionResult(). ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, PERMISSION_STORAGE); } } public void SaveFileToSD() { try { File fhandle = new File(getSDcardPath().toString() + "/myfolder111/test.txt"); //Если нет директорий в пути, то они будут созданы: if (!fhandle.exists()) if(!fhandle.mkdirs()) Log.d("test", "Ошибка создания папки!"); //Если файл существует, то он будет перезаписан: if(!fhandle.createNewFile()) Log.d("test", "Ошибка создания документа"); FileOutputStream fOut = new FileOutputStream(fhandle); OutputStreamWriter myOutWriter = new OutputStreamWriter(fOut); myOutWriter.write("TEST"); myOutWriter.close(); fOut.close(); } catch (IOException e) { Toast.makeText(this, e.getMessage().toString(), Toast.LENGTH_LONG).show(); } } private String getSDcardPath() { String exts = Environment.getExternalStorageDirectory().getPath(); String sdCardPath = null; try { FileReader fr = new FileReader(new File("/proc/mounts")); BufferedReader br = new BufferedReader(fr); String line; while((line = br.readLine())!=null) { if(line.contains("secure") || line.contains("asec")) continue; if(line.contains("fat")) { String[] pars = line.split("\\s"); if(pars.length<2) continue; if(pars[1].equals(exts)) continue; sdCardPath =pars[1]; break; } } fr.close(); br.close(); return sdCardPath; } catch (Exception e) { } return sdCardPath; } }