Project Information
- Repository : Bop - Music Player
- Title : Bop - Music Player
- Publisher : Emicla Developers (Sahdeep Singh)
Expected behavior
Supposedly, when I play deleted music files there will be no crashes. And it should, when a user plays a deleted file, a short message will appear like "File not found".
Actual behavior
When I tried playing one of the music in the application, I accidentally deleted the music that I played in the file manager. Then I returned to the album page and played another music. And I see the music files that I have deleted are still available on the Album page. Then I tried clicking the music file that I deleted earlier. Suddenly the application crashes and exits by itself. Then I tried to reopen the application but it couldn't and the crash continued. So I have to restart the application.
How to reproduce
Steps to reproduce the behavior:
- Install and open the application
- Then go to the album page and play one of the music
- Next, enter the file manager page and delete the music you are playing
- Then go back to the application and enter the album page again, then you will see the deleted file still exists and is still playing.
- Then play another song, and then click on the music file that you deleted earlier.
- then the error will be seen
Environment
Tested on 2 devices:
| Device | Android Version |
|---|
| VIVO Y81 | Oreo 8.1.0 (CPU: Octa-core Max 2.0 GHz, RAM: 3 GB) |
| Realmi U1 | Oreo 8.1.0 (Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53, RAM: 4 GB) |
Application version: v1.2
Recording Of The Bug
Logcat
--------- beginning of crash
03-23 21:46:18.147 7424 7424 E AndroidRuntime: FATAL EXCEPTION: main
03-23 21:46:18.147 7424 7424 E AndroidRuntime: Process: com.sahdeepsingh.Bop, PID: 7424
03-23 21:46:18.147 7424 7424 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.sahdeepsingh.Bop.c.c.b()' on a null object reference
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at com.sahdeepsingh.Bop.g.b.a(Unknown Source:6)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at com.sahdeepsingh.Bop.services.ServicePlayMusic.w(Unknown Source:15)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at com.sahdeepsingh.Bop.services.ServicePlayMusic.h(Unknown Source:79)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at com.sahdeepsingh.Bop.a.c$1.onClick(Unknown Source:13)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at android.view.View.performClick(View.java:6325)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at android.view.View$PerformClick.run(View.java:25098)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:790)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:99)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at android.os.Looper.loop(Looper.java:192)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6779)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:445)
03-23 21:46:18.147 7424 7424 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:867)
03-23 21:46:18.154 1432 1943 D SLService: ppCra : com.sahdeepsingh.Bop pid : 7424