adding a player fragment

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

@@ -34,13 +34,12 @@ class MainActivity : SimpleActivity() {
                 finish()
             }
         }
-
-        setupTabColors(config.lastUsedViewPagerPage)
     }
 
     override fun onResume() {
         super.onResume()
         getPagerAdapter()?.onResume()
+        setupTabColors()
     }
 
     override fun onDestroy() {
@@ -84,19 +83,10 @@ class MainActivity : SimpleActivity() {
 
     private fun setupViewPager() {
         view_pager.adapter = ViewPagerAdapter(this)
-    }
-
-    private fun getPagerAdapter() = (view_pager.adapter as? ViewPagerAdapter)
-
-    private fun setupTabColors(lastUsedTab: Int) {
-        main_tabs_holder.apply {
-            background = ColorDrawable(config.backgroundColor)
-            setSelectedTabIndicatorColor(getAdjustedPrimaryColor())
-            getTabAt(lastUsedTab)?.apply {
-                select()
-                icon?.applyColorFilter(getAdjustedPrimaryColor())
-            }
+        view_pager.onPageChangeListener {
+            main_tabs_holder.getTabAt(it)?.select()
         }
+        view_pager.currentItem = config.lastUsedViewPagerPage
 
         main_tabs_holder.onTabSelectionChanged(
             tabUnselectedAction = {
@@ -109,6 +99,19 @@ class MainActivity : SimpleActivity() {
         )
     }
 
+    private fun getPagerAdapter() = (view_pager.adapter as? ViewPagerAdapter)
+
+    private fun setupTabColors() {
+        main_tabs_holder.apply {
+            background = ColorDrawable(config.backgroundColor)
+            setSelectedTabIndicatorColor(getAdjustedPrimaryColor())
+            getTabAt(view_pager.currentItem)?.icon?.applyColorFilter(getAdjustedPrimaryColor())
+            getTabAt(getInactiveTabIndex())?.icon?.applyColorFilter(config.textColor)
+        }
+    }
+
+    private fun getInactiveTabIndex() = if (view_pager.currentItem == 0) 1 else 0
+
     private fun launchSettings() {
         startActivity(Intent(applicationContext, SettingsActivity::class.java))
     }

app/src/main/kotlin/com/simplemobiletools/voicerecorder/adapters/ViewPagerAdapter.kt

@@ -12,7 +12,7 @@ class ViewPagerAdapter(private val activity: SimpleActivity) : PagerAdapter() {
     private val mFragments = SparseArray<MyViewPagerFragment>()
 
     override fun instantiateItem(container: ViewGroup, position: Int): Any {
-        val layout = R.layout.fragment_recorder
+        val layout = if (position == 0) R.layout.fragment_recorder else R.layout.fragment_player
         val view = activity.layoutInflater.inflate(layout, container, false)
         container.addView(view)
 
@@ -25,15 +25,19 @@ class ViewPagerAdapter(private val activity: SimpleActivity) : PagerAdapter() {
         container.removeView(item as View)
     }
 
-    override fun getCount() = 1
+    override fun getCount() = 2
 
     override fun isViewFromObject(view: View, item: Any) = view == item
 
     fun onResume() {
-        mFragments.get(0)?.onResume()
+        for (i in 0 until mFragments.size()) {
+            mFragments[i].onResume()
+        }
     }
 
     fun onDestroy() {
-        mFragments.get(0)?.onDestroy()
+        for (i in 0 until mFragments.size()) {
+            mFragments[i].onDestroy()
+        }
     }
 }

app/src/main/kotlin/com/simplemobiletools/voicerecorder/fragments/PlayerFragment.kt

@@ -0,0 +1,11 @@
+package com.simplemobiletools.voicerecorder.fragments
+
+import android.content.Context
+import android.util.AttributeSet
+
+class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPagerFragment(context, attributeSet) {
+
+    override fun onResume() {}
+
+    override fun onDestroy() {}
+}

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.simplemobiletools.voicerecorder.fragments.PlayerFragment xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/player_holder"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+</com.simplemobiletools.voicerecorder.fragments.PlayerFragment>