diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7845ca7..b2c2511 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
         <entry key="app/src/main/res/layout/credits_layout.xml" value="0.21354166666666666" />
         <entry key="app/src/main/res/layout/fragment_credits.xml" value="0.25" />
         <entry key="app/src/main/res/layout/fragment_main.xml" value="0.1" />
-        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.1" />
+        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.22" />
         <entry key="app/src/main/res/layout/sample_credits_tab.xml" value="0.25" />
       </map>
     </option>

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7845ca7..b2c2511 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
         <entry key="app/src/main/res/layout/credits_layout.xml" value="0.21354166666666666" />
         <entry key="app/src/main/res/layout/fragment_credits.xml" value="0.25" />
         <entry key="app/src/main/res/layout/fragment_main.xml" value="0.1" />
-        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.1" />
+        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.22" />
         <entry key="app/src/main/res/layout/sample_credits_tab.xml" value="0.25" />
       </map>
     </option>
diff --git a/app/src/main/cpp/AndroidBridge.cpp b/app/src/main/cpp/AndroidBridge.cpp
index 4991080..58a30cf 100644
--- a/app/src/main/cpp/AndroidBridge.cpp
+++ b/app/src/main/cpp/AndroidBridge.cpp
@@ -9,17 +9,17 @@
 extern "C" {
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_startAudio(JNIEnv *env, jobject activity) {
+Java_com_lukas_music_MainActivity_00024Companion_startAudio(JNIEnv *env, jobject activity) {
     audioEngine = new AudioEngine();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_muteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_muteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->stop();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->start();
 }
 }
\ No newline at end of file

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7845ca7..b2c2511 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
         <entry key="app/src/main/res/layout/credits_layout.xml" value="0.21354166666666666" />
         <entry key="app/src/main/res/layout/fragment_credits.xml" value="0.25" />
         <entry key="app/src/main/res/layout/fragment_main.xml" value="0.1" />
-        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.1" />
+        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.22" />
         <entry key="app/src/main/res/layout/sample_credits_tab.xml" value="0.25" />
       </map>
     </option>
diff --git a/app/src/main/cpp/AndroidBridge.cpp b/app/src/main/cpp/AndroidBridge.cpp
index 4991080..58a30cf 100644
--- a/app/src/main/cpp/AndroidBridge.cpp
+++ b/app/src/main/cpp/AndroidBridge.cpp
@@ -9,17 +9,17 @@
 extern "C" {
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_startAudio(JNIEnv *env, jobject activity) {
+Java_com_lukas_music_MainActivity_00024Companion_startAudio(JNIEnv *env, jobject activity) {
     audioEngine = new AudioEngine();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_muteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_muteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->stop();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->start();
 }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/MainActivity.kt b/app/src/main/java/com/lukas/music/MainActivity.kt
index 100fd06..5602623 100644
--- a/app/src/main/java/com/lukas/music/MainActivity.kt
+++ b/app/src/main/java/com/lukas/music/MainActivity.kt
@@ -2,9 +2,8 @@
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Switch
 import androidx.fragment.app.Fragment
-import androidx.viewpager2.widget.ViewPager2
-import com.google.android.material.tabs.TabLayout
 import com.lukas.music.databinding.ActivityMainBinding
 import com.lukas.music.ui.tab.TabAdapter
 import com.lukas.music.ui.fragments.CreditsFragment
@@ -14,7 +13,8 @@
 
 class MainActivity : AppCompatActivity() {
     private lateinit var binding: ActivityMainBinding
-    private val tabFragments = listOf<Fragment>(PlayFragment(), CreditsFragment())
+    private val playFragment = PlayFragment()
+    private val tabFragments = listOf(playFragment, CreditsFragment())
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -24,14 +24,15 @@
         binding.tabPager.adapter = TabAdapter(supportFragmentManager, lifecycle, tabFragments)
         binding.tabPager.registerOnPageChangeCallback(PageListener(binding.tabLayout))
         binding.tabLayout.addOnTabSelectedListener(TabListener(binding.tabPager))
-        // startAudio()
+        startAudio()
+        // muteAudio()
     }
 
-    private external fun startAudio()
-    private external fun muteAudio()
-    private external fun unmuteAudio()
-
     companion object {
+        external fun startAudio()
+        external fun muteAudio()
+        external fun unmuteAudio()
+
         init {
             System.loadLibrary("music")
         }

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7845ca7..b2c2511 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
         <entry key="app/src/main/res/layout/credits_layout.xml" value="0.21354166666666666" />
         <entry key="app/src/main/res/layout/fragment_credits.xml" value="0.25" />
         <entry key="app/src/main/res/layout/fragment_main.xml" value="0.1" />
-        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.1" />
+        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.22" />
         <entry key="app/src/main/res/layout/sample_credits_tab.xml" value="0.25" />
       </map>
     </option>
diff --git a/app/src/main/cpp/AndroidBridge.cpp b/app/src/main/cpp/AndroidBridge.cpp
index 4991080..58a30cf 100644
--- a/app/src/main/cpp/AndroidBridge.cpp
+++ b/app/src/main/cpp/AndroidBridge.cpp
@@ -9,17 +9,17 @@
 extern "C" {
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_startAudio(JNIEnv *env, jobject activity) {
+Java_com_lukas_music_MainActivity_00024Companion_startAudio(JNIEnv *env, jobject activity) {
     audioEngine = new AudioEngine();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_muteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_muteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->stop();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->start();
 }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/MainActivity.kt b/app/src/main/java/com/lukas/music/MainActivity.kt
index 100fd06..5602623 100644
--- a/app/src/main/java/com/lukas/music/MainActivity.kt
+++ b/app/src/main/java/com/lukas/music/MainActivity.kt
@@ -2,9 +2,8 @@
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Switch
 import androidx.fragment.app.Fragment
-import androidx.viewpager2.widget.ViewPager2
-import com.google.android.material.tabs.TabLayout
 import com.lukas.music.databinding.ActivityMainBinding
 import com.lukas.music.ui.tab.TabAdapter
 import com.lukas.music.ui.fragments.CreditsFragment
@@ -14,7 +13,8 @@
 
 class MainActivity : AppCompatActivity() {
     private lateinit var binding: ActivityMainBinding
-    private val tabFragments = listOf<Fragment>(PlayFragment(), CreditsFragment())
+    private val playFragment = PlayFragment()
+    private val tabFragments = listOf(playFragment, CreditsFragment())
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -24,14 +24,15 @@
         binding.tabPager.adapter = TabAdapter(supportFragmentManager, lifecycle, tabFragments)
         binding.tabPager.registerOnPageChangeCallback(PageListener(binding.tabLayout))
         binding.tabLayout.addOnTabSelectedListener(TabListener(binding.tabPager))
-        // startAudio()
+        startAudio()
+        // muteAudio()
     }
 
-    private external fun startAudio()
-    private external fun muteAudio()
-    private external fun unmuteAudio()
-
     companion object {
+        external fun startAudio()
+        external fun muteAudio()
+        external fun unmuteAudio()
+
         init {
             System.loadLibrary("music")
         }
diff --git a/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt b/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt
index b6a755b..5a3abe0 100644
--- a/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt
+++ b/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt
@@ -5,20 +5,26 @@
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import com.lukas.music.MainActivity
 import com.lukas.music.R
+import com.lukas.music.databinding.FragmentPlayBinding
 
 class PlayFragment : Fragment() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        arguments?.let {
-        }
-    }
+    lateinit var binding: FragmentPlayBinding
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        return inflater.inflate(R.layout.fragment_play, container, false)
+        binding = FragmentPlayBinding.inflate(inflater)
+        binding.playSwitch.setOnCheckedChangeListener { _, isOn ->
+            if (isOn) {
+                MainActivity.unmuteAudio()
+            } else {
+                MainActivity.muteAudio()
+            }
+        }
+        return binding.root
     }
 
     companion object {

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7845ca7..b2c2511 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
         <entry key="app/src/main/res/layout/credits_layout.xml" value="0.21354166666666666" />
         <entry key="app/src/main/res/layout/fragment_credits.xml" value="0.25" />
         <entry key="app/src/main/res/layout/fragment_main.xml" value="0.1" />
-        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.1" />
+        <entry key="app/src/main/res/layout/fragment_play.xml" value="0.22" />
         <entry key="app/src/main/res/layout/sample_credits_tab.xml" value="0.25" />
       </map>
     </option>
diff --git a/app/src/main/cpp/AndroidBridge.cpp b/app/src/main/cpp/AndroidBridge.cpp
index 4991080..58a30cf 100644
--- a/app/src/main/cpp/AndroidBridge.cpp
+++ b/app/src/main/cpp/AndroidBridge.cpp
@@ -9,17 +9,17 @@
 extern "C" {
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_startAudio(JNIEnv *env, jobject activity) {
+Java_com_lukas_music_MainActivity_00024Companion_startAudio(JNIEnv *env, jobject activity) {
     audioEngine = new AudioEngine();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_muteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_muteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->stop();
 }
 
 JNIEXPORT void JNICALL
-Java_com_lukas_music_MainActivity_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
+Java_com_lukas_music_MainActivity_00024Companion_unmuteAudio(JNIEnv *env, jobject activity, float volume) {
     audioEngine->start();
 }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/MainActivity.kt b/app/src/main/java/com/lukas/music/MainActivity.kt
index 100fd06..5602623 100644
--- a/app/src/main/java/com/lukas/music/MainActivity.kt
+++ b/app/src/main/java/com/lukas/music/MainActivity.kt
@@ -2,9 +2,8 @@
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Switch
 import androidx.fragment.app.Fragment
-import androidx.viewpager2.widget.ViewPager2
-import com.google.android.material.tabs.TabLayout
 import com.lukas.music.databinding.ActivityMainBinding
 import com.lukas.music.ui.tab.TabAdapter
 import com.lukas.music.ui.fragments.CreditsFragment
@@ -14,7 +13,8 @@
 
 class MainActivity : AppCompatActivity() {
     private lateinit var binding: ActivityMainBinding
-    private val tabFragments = listOf<Fragment>(PlayFragment(), CreditsFragment())
+    private val playFragment = PlayFragment()
+    private val tabFragments = listOf(playFragment, CreditsFragment())
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -24,14 +24,15 @@
         binding.tabPager.adapter = TabAdapter(supportFragmentManager, lifecycle, tabFragments)
         binding.tabPager.registerOnPageChangeCallback(PageListener(binding.tabLayout))
         binding.tabLayout.addOnTabSelectedListener(TabListener(binding.tabPager))
-        // startAudio()
+        startAudio()
+        // muteAudio()
     }
 
-    private external fun startAudio()
-    private external fun muteAudio()
-    private external fun unmuteAudio()
-
     companion object {
+        external fun startAudio()
+        external fun muteAudio()
+        external fun unmuteAudio()
+
         init {
             System.loadLibrary("music")
         }
diff --git a/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt b/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt
index b6a755b..5a3abe0 100644
--- a/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt
+++ b/app/src/main/java/com/lukas/music/ui/fragments/PlayFragment.kt
@@ -5,20 +5,26 @@
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import com.lukas.music.MainActivity
 import com.lukas.music.R
+import com.lukas.music.databinding.FragmentPlayBinding
 
 class PlayFragment : Fragment() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        arguments?.let {
-        }
-    }
+    lateinit var binding: FragmentPlayBinding
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        return inflater.inflate(R.layout.fragment_play, container, false)
+        binding = FragmentPlayBinding.inflate(inflater)
+        binding.playSwitch.setOnCheckedChangeListener { _, isOn ->
+            if (isOn) {
+                MainActivity.unmuteAudio()
+            } else {
+                MainActivity.muteAudio()
+            }
+        }
+        return binding.root
     }
 
     companion object {
diff --git a/app/src/main/res/layout/fragment_play.xml b/app/src/main/res/layout/fragment_play.xml
index 0ef6fc8..e960c03 100644
--- a/app/src/main/res/layout/fragment_play.xml
+++ b/app/src/main/res/layout/fragment_play.xml
@@ -1,14 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".PlayFragment">
 
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="@string/hello_blank_fragment" />
+        android:layout_height="match_parent">
 
+        <Switch
+            android:id="@+id/playSwitch"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:minHeight="48dp"
+            android:text="play"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.18" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
 </FrameLayout>
\ No newline at end of file