Moved vocabulary logic to a fragment

app/src/main/AndroidManifest.xml

@@ -15,7 +15,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".activities.UserActivity" />
+        <activity android:name=".activities.MainActivity" />
         <activity android:name=".activities.LogInActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/paktalin/vocabularynotebook/activities/LogInActivity.kt

@@ -78,8 +78,8 @@ class LogInActivity : AppCompatActivity() {
     }
 
     fun startUserActivity() {
-        Log.d(TAG, "Signed in successfully")
-        val userActivityIntent = Intent(this@LogInActivity, UserActivity::class.java)
+        Log.d(TAG, "Logged in successfully")
+        val userActivityIntent = Intent(this@LogInActivity, MainActivity::class.java)
         startActivity(userActivityIntent)
     }
 

app/src/main/java/com/paktalin/vocabularynotebook/activities/MainActivity.kt

+package com.paktalin.vocabularynotebook.activities
+
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+
+import com.paktalin.vocabularynotebook.R
+import kotlinx.android.synthetic.main.activity_main.*
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        navigationView.setNavigationItemSelectedListener { menuItem ->
+            menuItem.isChecked = true
+            drawerLayout!!.closeDrawers()
+            true
+        }
+    }
+
+    companion object {
+        private val TAG = "VN/" + MainActivity::class.simpleName
+    }
+}

app/src/main/java/com/paktalin/vocabularynotebook/activities/UserActivity.kt → app/src/main/java/com/paktalin/vocabularynotebook/activities/VocabularyFragment.kt

@@ -2,42 +2,33 @@ package com.paktalin.vocabularynotebook.activities
 
 import android.annotation.SuppressLint
 import android.os.Bundle
-import android.support.design.widget.NavigationView
-import android.support.v7.app.AppCompatActivity
+import android.support.v4.app.Fragment
 import android.util.Log
-
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import com.google.firebase.auth.FirebaseAuth
 import com.google.firebase.firestore.DocumentReference
 import com.google.firebase.firestore.DocumentSnapshot
 import com.google.firebase.firestore.FirebaseFirestore
 import com.paktalin.vocabularynotebook.R
-import kotlinx.android.synthetic.main.activity_main.*
-import kotlinx.android.synthetic.main.activity_vocabulary.*
+import kotlinx.android.synthetic.main.fragment_vocabulary.*
 
-class UserActivity : AppCompatActivity() {
+class VocabularyFragment : Fragment() {
 
     private lateinit var userDocument: DocumentReference
     private val db = FirebaseFirestore.getInstance()
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
-
-        navigationView.setNavigationItemSelectedListener { menuItem ->
-            menuItem.isChecked = true
-            drawerLayout!!.closeDrawers()
-            true
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_vocabulary, container, false)
     }
 
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
         extractUserDocument()
         printUserData()
     }
 
-    override fun onDestroy() {
-        super.onDestroy()
-        FirebaseAuth.getInstance().signOut()
-    }
-
     private fun extractUserDocument() {
         val userId = FirebaseAuth.getInstance().currentUser!!.uid
         Log.d(TAG, "retrieved userId: $userId")
@@ -65,7 +56,12 @@ class UserActivity : AppCompatActivity() {
         }
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        FirebaseAuth.getInstance().signOut()
+    }
+
     companion object {
-        private val TAG = "VN/" + UserActivity::class.simpleName
+        private val TAG = "VN/" + VocabularyFragment::class.simpleName
     }
 }

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

@@ -8,10 +8,11 @@
     android:layout_height="match_parent"
     tools:openDrawer="start">
 
-    <include
-        layout="@layout/activity_vocabulary"
+    <fragment
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        android:name="com.paktalin.vocabularynotebook.activities.VocabularyFragment"
+        android:id="@+id/fragment_vocabulary" />
 
     <android.support.design.widget.NavigationView
         android:id="@+id/navigationView"

app/src/main/res/layout/activity_vocabulary.xml → app/src/main/res/layout/fragment_vocabulary.xml

@@ -6,7 +6,7 @@
     android:layout_height="match_parent"
     android:background="@android:color/transparent"
     app:layout_behavior="@string/appbar_scrolling_view_behavior"
-    tools:context="com.paktalin.vocabularynotebook.activities.UserActivity">
+    tools:context="com.paktalin.vocabularynotebook.activities.VocabularyFragment">
 
     <TextView
         android:id="@+id/tvCongrats"
@@ -41,4 +41,15 @@
         android:layout_marginTop="8dp"
         app:layout_constraintTop_toBottomOf="@+id/tvUserData" />
 
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fabAddWord"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginRight="16dp"
+        android:src="@android:drawable/ic_input_add"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
 </android.support.constraint.ConstraintLayout>