properly update all colors if needed

app/src/main/kotlin/com/simplemobiletools/dialer/activities/MainActivity.kt

@@ -21,11 +21,15 @@ import kotlinx.android.synthetic.main.fragment_contacts.*
 import kotlinx.android.synthetic.main.fragment_recents.*
 
 class MainActivity : SimpleActivity() {
+    private var storedTextColor = 0
+    private var storedPrimaryColor = 0
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
         appLaunched(BuildConfig.APPLICATION_ID)
         setupTabColors()
+        storeStateVariables()
 
         if (isDefaultDialer()) {
             checkContactPermissions()
@@ -41,6 +45,33 @@ class MainActivity : SimpleActivity() {
             setImageDrawable(dialpadIcon)
             background.applyColorFilter(getAdjustedPrimaryColor())
         }
+
+        main_tabs_holder.setBackgroundColor(config.backgroundColor)
+
+        val configTextColor = config.textColor
+        if (storedTextColor != configTextColor) {
+            getInactiveTabIndexes(viewpager.currentItem).forEach {
+                main_tabs_holder.getTabAt(it)?.icon?.applyColorFilter(configTextColor)
+            }
+
+            getAllFragments().forEach {
+                it?.textColorChanged(configTextColor)
+            }
+        }
+
+        val configPrimaryColor = config.primaryColor
+        if (storedPrimaryColor != configPrimaryColor) {
+            main_tabs_holder.setSelectedTabIndicatorColor(getAdjustedPrimaryColor())
+            main_tabs_holder.getTabAt(viewpager.currentItem)?.icon?.applyColorFilter(getAdjustedPrimaryColor())
+            getAllFragments().forEach {
+                it?.primaryColorChanged(configPrimaryColor)
+            }
+        }
+    }
+
+    override fun onPause() {
+        super.onPause()
+        storeStateVariables()
     }
 
     override fun onDestroy() {
@@ -71,6 +102,13 @@ class MainActivity : SimpleActivity() {
         }
     }
 
+    private fun storeStateVariables() {
+        config.apply {
+            storedTextColor = textColor
+            storedPrimaryColor = primaryColor
+        }
+    }
+
     private fun checkContactPermissions() {
         handlePermission(PERMISSION_READ_CONTACTS) {
             if (it) {
@@ -186,7 +224,7 @@ class MainActivity : SimpleActivity() {
         }
     }
 
-    private fun getAllFragments() = arrayListOf(contacts_fragment)
+    private fun getAllFragments() = arrayListOf(contacts_fragment, recents_fragment)
 
     private fun launchAbout() {
         val licenses = LICENSE_GLIDE or LICENSE_INDICATOR_FAST_SCROLL

app/src/main/kotlin/com/simplemobiletools/dialer/adapters/RecentCallsAdapter.kt

@@ -1,5 +1,6 @@
 package com.simplemobiletools.dialer.adapters
 
+import android.graphics.drawable.Drawable
 import android.provider.CallLog.Calls
 import android.util.TypedValue
 import android.view.Menu
@@ -20,10 +21,14 @@ import java.util.*
 class RecentCallsAdapter(activity: SimpleActivity, var recentCalls: ArrayList<RecentCall>, recyclerView: MyRecyclerView, itemClick: (Any) -> Unit) :
         MyRecyclerViewAdapter(activity, recyclerView, null, itemClick) {
 
-    private val incomingCallIcon = activity.resources.getColoredDrawableWithColor(R.drawable.ic_incoming_call_vector, activity.config.textColor)
+    private lateinit var incomingCallIcon: Drawable
-    private val outgoingCallIcon = activity.resources.getColoredDrawableWithColor(R.drawable.ic_outgoing_call_vector, activity.config.textColor)
+    private lateinit var outgoingCallIcon: Drawable
     private var fontSize = activity.getTextSize()
 
+    init {
+        initDrawables()
+    }
+
     override fun getActionMenuId() = 0
 
     override fun prepareActionMode(menu: Menu) {}
@@ -61,6 +66,11 @@ class RecentCallsAdapter(activity: SimpleActivity, var recentCalls: ArrayList<Re
         }
     }
 
+    fun initDrawables() {
+        incomingCallIcon = activity.resources.getColoredDrawableWithColor(R.drawable.ic_incoming_call_vector, activity.config.textColor)
+        outgoingCallIcon = activity.resources.getColoredDrawableWithColor(R.drawable.ic_outgoing_call_vector, activity.config.textColor)
+    }
+
     private fun setupView(view: View, call: RecentCall) {
         view.apply {
             item_recents_name.apply {

app/src/main/kotlin/com/simplemobiletools/dialer/fragments/ContactsFragment.kt

@@ -5,6 +5,7 @@ import android.net.Uri
 import android.provider.ContactsContract
 import android.util.AttributeSet
 import com.reddit.indicatorfastscroll.FastScrollItemIndicator
+import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.PERMISSION_READ_CONTACTS
 import com.simplemobiletools.commons.helpers.SimpleContactsHelper
@@ -46,6 +47,17 @@ class ContactsFragment(context: Context, attributeSet: AttributeSet) : MyViewPag
         letter_fastscroller_thumb.textColor = context.config.primaryColor.getContrastColor()
     }
 
+    override fun textColorChanged(color: Int) {
+        (fragment_list?.adapter as? MyRecyclerViewAdapter)?.updateTextColor(color)
+        letter_fastscroller?.textColor = color.getColorStateList()
+    }
+
+    override fun primaryColorChanged(color: Int) {
+        letter_fastscroller_thumb?.thumbColor = color.getColorStateList()
+        letter_fastscroller_thumb?.textColor = color.getContrastColor()
+        fragment_fab.background.applyColorFilter(context.getAdjustedPrimaryColor())
+    }
+
     fun refreshContacts(contacts: ArrayList<SimpleContact>) {
         setupLetterFastscroller(contacts)
         if (contacts.isEmpty()) {

app/src/main/kotlin/com/simplemobiletools/dialer/fragments/MyViewPagerFragment.kt

@@ -28,4 +28,8 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
     }
 
     abstract fun setupFragment()
+
+    abstract fun textColorChanged(color: Int)
+
+    abstract fun primaryColorChanged(color: Int)
 }

app/src/main/kotlin/com/simplemobiletools/dialer/fragments/RecentsFragment.kt

@@ -30,6 +30,15 @@ class RecentsFragment(context: Context, attributeSet: AttributeSet) : MyViewPage
         }
     }
 
+    override fun textColorChanged(color: Int) {
+        (recents_list?.adapter as? RecentCallsAdapter)?.apply {
+            initDrawables()
+            updateTextColor(color)
+        }
+    }
+
+    override fun primaryColorChanged(color: Int) {}
+
     fun updateRecents(recents: ArrayList<RecentCall>) {
         if (recents.isEmpty()) {
             recents_placeholder.beVisible()