The app crashes when using the "Equalizer" feature in landscape mod...

Project Information

Repository : https://github.com/reyanshmishra/Rey-MusicPlayer/
Title : Boom - Audio Player
Publisher : Reyansh Mishra

Expected behavior

Supposedly, I can set the equalizer in portrait or landscape mode.

Actual behavior

When I try to play a song and want to set the equalizer, and next I change the rotation from potrait to landscape, suddenly the application crashes. The same thing happens when I access the equalizer feature in landscape mode.

How to reproduce

How to find bug #1

Install and open the app
Play one of the songs
Click on the equalizer feature (See location of the feature in the video)
If already in the equalizer feature, change the screen rotation to landscape

How to find bug #1

Install and open the app
Change the rotation to landscape, and play the song
Next click on equalizer feature (See location of divideo feature), then you will find the error as I experienced.

Device: Xiaomi Redmi 4X
Operating system: Marshmallow, 6.0.1 mmb29m (CPU: Octa-core Max 1.9 GHz, RAM: 2 GB)
Application Version: 3.4.41

Recording Of The Bug

Logcat

05-11 17:40:08.780 12046 12046 E 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: 05-11 17:40:08.780 12046 12046 E AndroidRuntime: AndroidRuntime: FATAL EXCEPTION: main Process: com.reyansh.audio.audioplayer.free, PID: 12046 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.reyansh.audio.audioplayer.free/com.reyansh.audio.audioplayer.free.Equalizer.EqualizerActivity}: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class com.reyansh.audio.audioplayer.free.Views.VerticalSeekBar at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2449) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2509) at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4120) at android.app.ActivityThread.access$1100(ActivityThread.java:153) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1381) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:5527) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629) Caused by: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class com.reyansh.audio.audioplayer.free.Views.VerticalSeekBar at android.view.LayoutInflater.inflate(LayoutInflater.java:543) at android.view.LayoutInflater.inflate(LayoutInflater.java:427) at android.view.LayoutInflater.inflate(LayoutInflater.java:374) at android.support.v7.app.AppCompatDelegateImplV9.setContentView(Unknown Source) at android.support.v7.app.AppCompatActivity.setContentView(Unknown Source) at com.reyansh.audio.audioplayer.free.Equalizer.EqualizerActivity.onCreate(Unknown Source) at android.app.Activity.performCreate(Activity.java:6303) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2402) ... 10 more Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class com.reyansh.audio.audioplayer.free.Views.VerticalSeekBar at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:780) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:708) at android.view.LayoutInflater.rInflate(LayoutInflater.java:839) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:802) at android.view.LayoutInflater.rInflate(LayoutInflater.java:842) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:802) at android.view.LayoutInflater.rInflate(LayoutInflater.java:842) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:802) at android.view.LayoutInflater.rInflate(LayoutInflater.java:842) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:802) at android.view.LayoutInflater.inflate(LayoutInflater.java:519) ... 18 more

05-11 17:40:08.780 12046 12046 E AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "com.reyansh.audio.audioplayer.free.Views.VerticalSeekBar" on path: DexPathList[[zip file "/data/app/com.reyansh.audio.audioplayer.free-1/base.apk"],nativeLibraryDirectories=[/data/app/com.reyansh.audio.audioplayer.free-1/lib/arm64, /data/app/com.reyansh.audio.audioplayer.free-1/base.apk!/lib/arm64-v8a, /vendor/lib64, /system/lib64]]
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at android.view.LayoutInflater.createView(LayoutInflater.java:587)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:768)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: ... 28 more
05-11 17:40:08.780 12046 12046 E AndroidRuntime: Suppressed: java.lang.ClassNotFoundException: com.reyansh.audio.audioplayer.free.Views.VerticalSeekBar
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at java.lang.Class.classForName(Native Method)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
05-11 17:40:08.780 12046 12046 E AndroidRuntime: ... 31 more