Removed test fields from VocabularyFragment

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

 package com.paktalin.vocabularynotebook.activities
 
-import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.support.v7.widget.LinearLayoutManager
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -17,13 +15,13 @@ import com.paktalin.vocabularynotebook.R
 import com.paktalin.vocabularynotebook.VocabularyAdapter
 import com.paktalin.vocabularynotebook.pojo.WordItemPojo
 import kotlinx.android.synthetic.main.fragment_vocabulary.*
-import java.util.*
 
 class VocabularyFragment : Fragment() {
     companion object {
         private val TAG = "VN/" + VocabularyFragment::class.simpleName
         private const val VOCABULARIES = "vocabularies"
         private const val WORDS = "words"
+        private const val USERS = "users"
     }
 
     private lateinit var userDocument: DocumentReference
@@ -37,8 +35,7 @@ class VocabularyFragment : Fragment() {
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
         fabAddWord.setOnClickListener( { addWord() } )
-        extractUserDocument()
-        printUserData()
+        retrieveData()
     }
 
     override fun onDestroy() {
@@ -46,45 +43,24 @@ class VocabularyFragment : Fragment() {
         FirebaseAuth.getInstance().signOut()
     }
 
-    private fun extractUserDocument() {
+    private fun retrieveData() {
         val userId = FirebaseAuth.getInstance().currentUser!!.uid
-        Log.d(TAG, "retrieved userId: $userId")
-        userDocument = db.collection("users").document(userId)
-    }
-
-    private fun setVocabularyId(task: DocumentSnapshot) {
-        //todo if only one vocabulary exists, open it
-        val vocabularies: List<DocumentReference> = task.get("vocabularies") as List<DocumentReference>
-        vocabulary = db.collection(VOCABULARIES).document(vocabularies[0].id)
-    }
+        userDocument = db.collection(USERS).document(userId)
 
-    @SuppressLint("SetTextI18n")
-    private fun printUserData() {
         userDocument.get().addOnSuccessListener { task ->
-            val email = task.get("email").toString()
-            tvUserData.text = email
-
             setVocabularyId(task)
             retrieveVocabularyData()
         }
     }
 
-    private fun retrieveVocabularyData() {
+    private fun setVocabularyId(task: DocumentSnapshot) {
         //todo if only one vocabulary exists, open it
-        vocabulary.get().addOnSuccessListener { task ->
-            val vocabularyTitle = task.get("title").toString()
-            tvUserData.append("\n\nvocabularies:\n$vocabularyTitle")
-        }
-        retrieveWordsFromVocabulary()
-    }
-
-    private fun addWord() {
-        val addWordIntent = Intent(activity, AddWordActivity::class.java)
-        addWordIntent.putExtra("vocabularyId", vocabulary.id)
-        startActivity(addWordIntent)
+        val vocabularies: List<DocumentReference> = task.get("vocabularies") as List<DocumentReference>
+        vocabulary = db.collection(VOCABULARIES).document(vocabularies[0].id)
     }
 
-    private fun retrieveWordsFromVocabulary() {
+    private fun retrieveVocabularyData() {
+        //todo if only one vocabulary exists, open it
         val mLayoutManager = LinearLayoutManager(activity)
         recyclerView.layoutManager = mLayoutManager
         recyclerView.setHasFixedSize(true)
@@ -102,4 +78,10 @@ class VocabularyFragment : Fragment() {
             recyclerView.adapter = adapter
         }
     }
+
+    private fun addWord() {
+        val addWordIntent = Intent(activity, AddWordActivity::class.java)
+        addWordIntent.putExtra("vocabularyId", vocabulary.id)
+        startActivity(addWordIntent)
+    }
 }
\ No newline at end of file

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

@@ -8,39 +8,18 @@
     app:layout_behavior="@string/appbar_scrolling_view_behavior"
     tools:context="com.paktalin.vocabularynotebook.activities.VocabularyFragment">
 
-    <TextView
-        android:id="@+id/tvCongrats"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Congratulations! You have successfully logged in!"
-        app:layout_constraintBottom_toTopOf="@+id/tvUserData"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.5"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_chainStyle="packed" />
-
-    <TextView
-        android:id="@+id/tvUserData"
-        android:layout_width="wrap_content"
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recyclerView"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
         android:layout_marginEnd="8dp"
         android:layout_marginLeft="8dp"
         android:layout_marginRight="8dp"
         android:layout_marginStart="8dp"
         android:layout_marginTop="8dp"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/tvCongrats" />
-
-    <android.support.v7.widget.RecyclerView
-        android:id="@+id/recyclerView"
-        android:layout_width="match_parent"
-        android:layout_height="200dp"
-        android:layout_marginTop="8dp"
-        app:layout_constraintTop_toBottomOf="@+id/tvUserData" />
+        app:layout_constraintTop_toTopOf="parent" />
 
     <android.support.design.widget.FloatingActionButton
         android:id="@+id/fabAddWord"