enabled fab button for My Profile page, handled rotation for Fab button

Android/app/src/main/java/com/thesis/smukov/anative/NavigationActivity.java

@@ -54,7 +54,6 @@ public void onClick(View view) {
 
         //instantiate the fragmentManager and set the default view to profile
         currentFragment = new ProfileFragment();
-        currentFragment.setFloatingActionButton(fab);
         fragmentManager = getFragmentManager();
         fragmentManager.beginTransaction()
                 .replace(R.id.content_frame ,(Fragment) currentFragment)
@@ -112,7 +111,6 @@ public boolean onNavigationItemSelected(MenuItem item) {
             currentFragment = new ProfileFragment();
         }
 
-        currentFragment.setFloatingActionButton(fab);
         fragmentManager.beginTransaction()
                 .replace(R.id.content_frame, (Fragment) currentFragment)
                 .commit();

Android/app/src/main/java/com/thesis/smukov/anative/NavigationFragment/BaseNavigationFragment.java

@@ -11,10 +11,5 @@ public abstract class BaseNavigationFragment extends Fragment
     protected View myView;
     protected FloatingActionButton fab;
 
-    @Override
-    public void setFloatingActionButton(FloatingActionButton fab) {
-        this.fab = fab;
-    }
-
     protected abstract void prepareFloatingActionButton();
 }

Android/app/src/main/java/com/thesis/smukov/anative/NavigationFragment/ContactFragment.java

@@ -2,6 +2,7 @@
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.Snackbar;
 import android.support.v4.content.ContextCompat;
 import android.view.LayoutInflater;
@@ -37,6 +38,10 @@ public void onViewCreated(View view, Bundle savedInstanceState) {
 
     @Override
     protected void prepareFloatingActionButton(){
+        if(fab == null){
+            fab = (FloatingActionButton) getActivity().findViewById(R.id.fab);
+        }
+
         fab.show();
         fab.setImageDrawable(ContextCompat.getDrawable(getActivity(), R.drawable.ic_forum_black_24dp));
         fab.setOnClickListener(new View.OnClickListener() {

Android/app/src/main/java/com/thesis/smukov/anative/NavigationFragment/INavigationFragment.java

@@ -1,10 +1,8 @@
 package com.thesis.smukov.anative.NavigationFragment;
 
-import android.support.design.widget.FloatingActionButton;
-
 /**
  * Created by smuko on 18-Jun-16.
  */
 public interface INavigationFragment {
-    void setFloatingActionButton(FloatingActionButton fab);
+
 }

Android/app/src/main/java/com/thesis/smukov/anative/NavigationFragment/ProfileFragment.java

@@ -1,12 +1,14 @@
 package com.thesis.smukov.anative.NavigationFragment;
 
+import android.annotation.SuppressLint;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
+import android.support.design.widget.FloatingActionButton;
 import android.support.v4.content.ContextCompat;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.EditText;
 import android.widget.TextView;
 
 import com.thesis.smukov.anative.R;
@@ -16,7 +18,14 @@
  */
 public class ProfileFragment extends BaseNavigationFragment {
 
+    Boolean isEditable = false;
+
     TextView profileName;
+    EditText txtEmployment;
+    EditText txtEducation;
+    EditText txtInterests;
+    EditText txtKnowledgeable;
+    EditText txtCurrentGoals;
 
     @Nullable
     @Override
@@ -25,6 +34,7 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle sa
         return myView;
     }
 
+    @SuppressLint("WrongViewCast")
     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
@@ -33,18 +43,44 @@ public void onViewCreated(View view, Bundle savedInstanceState) {
 
         profileName = (TextView) view.findViewById(R.id.profile_name);
         profileName.setText("Dr. Gregory House");
+
+        txtEmployment = (EditText) view.findViewById(R.id.txtEmployment);
+        txtEducation = (EditText) view.findViewById(R.id.txtEducation);
+        txtInterests = (EditText) view.findViewById(R.id.txtInterests);
+        txtKnowledgeable = (EditText) view.findViewById(R.id.txtKnowledgeable);
+        txtCurrentGoals = (EditText) view.findViewById(R.id.txtCurrentGoals);
+
+        toggleEditMode(isEditable);
     }
 
     @Override
     protected void prepareFloatingActionButton(){
+        if(fab == null){
+            fab = (FloatingActionButton) getActivity().findViewById(R.id.fab);
+        }
+
         fab.show();
         fab.setImageDrawable(ContextCompat.getDrawable(getActivity(), R.drawable.ic_create_black_24dp));
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Snackbar.make(view, "Called from Profile Fragment", Snackbar.LENGTH_LONG)
-                        .setAction("Action", null).show();
+                isEditable = !isEditable;
+                toggleEditMode(isEditable);
             }
         });
     }
+
+    private void toggleEditMode(Boolean isEditable){
+        txtEmployment.setEnabled(isEditable);
+        txtEducation.setEnabled(isEditable);
+        txtInterests.setEnabled(isEditable);
+        txtKnowledgeable.setEnabled(isEditable);
+        txtCurrentGoals.setEnabled(isEditable);
+
+        if(isEditable){
+            fab.setImageDrawable(ContextCompat.getDrawable(getActivity(), R.drawable.ic_done_black_24dp));
+        }else{
+            fab.setImageDrawable(ContextCompat.getDrawable(getActivity(), R.drawable.ic_create_black_24dp));
+        }
+    }
 }

Android/app/src/main/java/com/thesis/smukov/anative/NavigationFragment/SettingsFragment.java

@@ -2,6 +2,7 @@
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import android.support.design.widget.FloatingActionButton;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -29,6 +30,9 @@ public void onViewCreated(View view, Bundle savedInstanceState) {
 
     @Override
     protected void prepareFloatingActionButton(){
+        if(fab == null){
+            fab = (FloatingActionButton) getActivity().findViewById(R.id.fab);
+        }
         fab.hide();
     }
 }

Android/app/src/main/res/layout/profile_layout.xml

@@ -41,7 +41,7 @@
         android:layout_height="wrap_content"
         android:inputType="textMultiLine"
         android:ems="10"
-        android:id="@id/txtInterests"
+        android:id="@+id/txtInterests"
         android:layout_gravity="center_horizontal"
         android:hint="@string/hint_interests" />
 
@@ -63,7 +63,7 @@
         android:layout_height="wrap_content"
         android:inputType="textMultiLine"
         android:ems="10"
-        android:id="@id/txtKnowledgeable"
+        android:id="@+id/txtKnowledgeable"
         android:layout_gravity="center_horizontal"
         android:hint="@string/hint_knowledgeable" />
 
@@ -85,7 +85,7 @@
         android:layout_height="wrap_content"
         android:inputType="textMultiLine"
         android:ems="10"
-        android:id="@id/txtCurrentGoals"
+        android:id="@+id/txtCurrentGoals"
         android:layout_gravity="center_horizontal"
         android:hint="@string/hint_goals" />