Isolated logOut and startActivity functions

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

@@ -7,10 +7,7 @@ import android.os.Bundle
 import android.util.Log
 
 import com.paktalin.vocabularynotebook.*
-import com.paktalin.vocabularynotebook.utils.fieldsNotEmpty
-import com.paktalin.vocabularynotebook.utils.shortToast
-import com.paktalin.vocabularynotebook.utils.signUp
-import com.paktalin.vocabularynotebook.utils.userLoggedIn
+import com.paktalin.vocabularynotebook.utils.*
 import kotlinx.android.synthetic.main.activity_log_in.*
 
 class LogInActivity : AppCompatActivity() {
@@ -53,8 +50,7 @@ class LogInActivity : AppCompatActivity() {
 
     fun startUserActivity() {
         Log.d(TAG, "Logged in successfully")
-        val userActivityIntent = Intent(this@LogInActivity, MainActivity::class.java)
-        startActivity(userActivityIntent)
+        startActivity(this@LogInActivity, MainActivity::class.java)
     }
 
     private fun addProgressBar() {

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

 package com.paktalin.vocabularynotebook.ui.activities
 
-import android.content.Intent
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import android.util.Log
-import com.google.firebase.auth.FirebaseAuth
 
 import kotlinx.android.synthetic.main.activity_main.*
 import android.view.WindowManager
@@ -20,6 +18,7 @@ import com.paktalin.vocabularynotebook.ui.fragments.VocabularyFragment
 import com.paktalin.vocabularynotebook.utils.addFragment
 import com.paktalin.vocabularynotebook.utils.extractVocabularyData
 import com.paktalin.vocabularynotebook.utils.shortToast
+import com.paktalin.vocabularynotebook.utils.startActivity
 
 class MainActivity : AppCompatActivity() {
 
@@ -48,10 +47,8 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun logOut() {
-        Log.i(TAG, "User logged out")
-        FirebaseAuth.getInstance()!!.signOut()
-        val intentLogInActivity = Intent(this@MainActivity, LogInActivity::class.java)
-        startActivity(intentLogInActivity)
+        logOut()
+        startActivity(this@MainActivity, LogInActivity::class.java)
     }
 
     private fun setUpNavigationView() {

app/src/main/java/com/paktalin/vocabularynotebook/utils/ActivityUtil.kt

 package com.paktalin.vocabularynotebook.utils
 
 import android.content.Context
+import android.content.Intent
 import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.support.v4.app.FragmentManager
@@ -48,3 +49,7 @@ fun enableScrolling(mainActivity: MainActivity) {
 fun shortToast(context: Context, text: String) {
     Toast.makeText(context, text, Toast.LENGTH_SHORT).show()
 }
+
+fun startActivity(context: Context, cls: Class<*>) {
+    context.startActivity(Intent(context, cls))
+}
\ No newline at end of file

app/src/main/java/com/paktalin/vocabularynotebook/utils/UserManager.kt

@@ -3,12 +3,7 @@ package com.paktalin.vocabularynotebook.utils
 import android.util.Log
 import com.google.firebase.auth.FirebaseAuth
 import com.google.firebase.auth.FirebaseUser
-import com.paktalin.vocabularynotebook.appsetup.ConfiguredFirestore
 import com.paktalin.vocabularynotebook.ui.activities.LogInActivity
-import com.paktalin.vocabularynotebook.firestoreitems.UserPojo
-import com.paktalin.vocabularynotebook.firestoreitems.Vocabulary
-import com.paktalin.vocabularynotebook.firestoreitems.Vocabulary.Companion.VOCABULARIES
-import java.util.*
 
 private const val TAG = "VN/UserManager"
 private var mAuth: FirebaseAuth? = FirebaseAuth.getInstance()
@@ -49,3 +44,8 @@ fun signUp(activity: LogInActivity, email: String, password: String) {
 fun userLoggedIn(): Boolean {
     return mAuth!!.currentUser != null
 }
+
+fun logOut() {
+    mAuth!!.signOut()
+    Log.i(TAG, "User logged out")
+}
\ No newline at end of file