-When try to change to none pattern either pin it should ask for confirmation

-When the security mode is changed to none show toast of it
-When the security mode is set to none and you change to pattern that erase the visible fake password

app/src/main/java/cy/agorise/crystalwallet/fragments/NoneSecurityFragment.java

@@ -3,18 +3,30 @@ package cy.agorise.crystalwallet.fragments;
 import android.arch.lifecycle.LiveData;
 import android.arch.lifecycle.Observer;
 import android.arch.lifecycle.ViewModelProviders;
+import android.content.Intent;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.Toast;
+
+import org.jetbrains.annotations.NotNull;
 
 import java.util.List;
 
+import butterknife.BindView;
 import butterknife.ButterKnife;
+import butterknife.OnClick;
 import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.activities.BoardActivity;
 import cy.agorise.crystalwallet.application.CrystalSecurityMonitor;
+import cy.agorise.crystalwallet.dialogs.material.DialogMaterial;
+import cy.agorise.crystalwallet.dialogs.material.NegativeResponse;
+import cy.agorise.crystalwallet.dialogs.material.PositiveResponse;
+import cy.agorise.crystalwallet.dialogs.material.QuestionDialog;
 import cy.agorise.crystalwallet.models.GeneralSetting;
 import cy.agorise.crystalwallet.viewmodels.GeneralSettingListViewModel;
 import cy.agorise.crystalwallet.viewmodels.validators.PinSecurityValidator;
@@ -25,6 +37,12 @@ import cy.agorise.crystalwallet.viewmodels.validators.PinSecurityValidator;
 
 public class NoneSecurityFragment extends Fragment {
 
+    @BindView(R.id.btnOK)
+    Button btnOK;
+
+
+
+
     public NoneSecurityFragment() {
         // Required empty public constructor
     }
@@ -43,14 +61,41 @@ public class NoneSecurityFragment extends Fragment {
         View v = inflater.inflate(R.layout.fragment_none_security, container, false);
         ButterKnife.bind(this, v);
 
+
+
         return v;
     }
 
-    @Override
+    @OnClick(R.id.btnOK)
+    public void btnOKClic(){
+
+        /*
+        * Question if user is sure to remove the security
+        * */
+        final QuestionDialog questionDialog = new QuestionDialog(getActivity());
+        questionDialog.setText(getActivity().getString(R.string.question_continue));
+        questionDialog.setOnNegative(new NegativeResponse() {
+            @Override
+            public void onNegative(@NotNull DialogMaterial dialogMaterial) {
+            }
+        });
+        questionDialog.setOnPositive(new PositiveResponse() {
+            @Override
+            public void onPositive() {
+                CrystalSecurityMonitor.getInstance(null).clearSecurity();
+
+                Toast.makeText(getActivity().getBaseContext(),getActivity().getString(R.string.Security_mode_changed_to_none),
+                        Toast.LENGTH_SHORT).show();
+            }
+        });
+        questionDialog.show();
+    }
+
+    /*@Override
     public void setUserVisibleHint(boolean isVisibleToUser) {
         super.setUserVisibleHint(isVisibleToUser);
         if (isVisibleToUser) {
             CrystalSecurityMonitor.getInstance(null).clearSecurity();
         }
-    }
+    }*/
 }

app/src/main/java/cy/agorise/crystalwallet/fragments/PinSecurityFragment.java

@@ -117,6 +117,11 @@ public class PinSecurityFragment extends Fragment implements UIValidatorListener
 
             default:
 
+                if(etNewPin!=null && etConfirmPin!=null) {
+                    etNewPin.setText("");
+                    etConfirmPin.setText("");
+                }
+
         }
 
         /*
@@ -152,6 +157,10 @@ public class PinSecurityFragment extends Fragment implements UIValidatorListener
 
             default:
 
+                if(etNewPin!=null && etConfirmPin!=null) {
+                    etNewPin.setText("");
+                    etConfirmPin.setText("");
+                }
         }
 
         /*

app/src/main/res/layout/fragment_none_security.xml

@@ -1,20 +1,29 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
     <TextView
-        android:layout_width="0dp"
+        android:id="@+id/txtFirst"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:layout_marginEnd="16dp"
         android:text="It is recommended to use some kind of security."
         android:textAlignment="center"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:layout_centerInParent="true"/>
 
-</android.support.constraint.ConstraintLayout>
+    <Button
+        android:id="@+id/btnOK"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="10dp"
+        android:layout_below="@+id/txtFirst"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:theme="@style/WhiteButton"
+        android:textColor="@color/black"
+        android:text="@string/ok"/>
+
+</RelativeLayout>

app/src/main/res/values/strings.xml

@@ -371,6 +371,8 @@
 
     <string name="question_continue">¿Are you sure to continue?</string>
 
+    <string name="Security_mode_changed_to_none">Security mode changed to none</string>
+
     <string name="select">"Select</string>
     <string name="are_you_sure">"Are you sure?</string>
     <string name="is_already_added">is already added</string>