The blade music player is crashing for deleting the newly/latest created playlist

Project Information

• Repository: https://github.com/Valou3433/blade-player
• Project Name: Blade player
• Submitted Issue: here

Expected behavior

The users should be able to delete the playlist successfully without the crashing.

Actual behavior

The application crashes when I try to delete the newly created playlist.

How to reproduce

1. Open the app and go to the "Songs" menu.
2. Choose a song and click on ⋮ (Three dots/ Vertical ellipsis) at the side of the song.
3. Then click on "Add to playlist".
4. After that click on the"New Playlist" to create a new playlist.
5. Give a name and click ok. (Your playlist will successfully be created)
6. Then delete your newly created playlist.
7. See error.

• App version: v1.4.0.1
• Device: Samsung A5
• Operating system: Android 6.0.1

Recording Of The Bug

GitHub Account

https://github.com/sagorahmed

Logcat

D AndroidRuntime: Shutting down VM

04-03 14:53:04.258 30746 30746 E AndroidRuntime: FATAL EXCEPTION: main

04-03 14:53:04.258 30746 30746 E AndroidRuntime: Process: v.blade, PID: 30746

04-03 14:53:04.258 30746 30746 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at v.blade.library.sources.Source$1.removePlaylist(Source.java:462)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at v.blade.ui.MainActivity$4$1$2.onClick(MainActivity.java:316)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at android.support.v7.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at android.os.Handler.dispatchMessage(Handler.java:102)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at android.os.Looper.loop(Looper.java:148)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at android.app.ActivityThread.main(ActivityThread.java:7325)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at java.lang.reflect.Method.invoke(Native Method)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)

04-03 14:53:04.258 30746 30746 E AndroidRuntime:    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)