mp3player | android mp3player , 仿 “ 天天动听 | Media Player library

I'm developing a music player mobile application using kivy2.0.0, in the app there is a playlist screen that consist of more than 100 mdboxlayout widget called 'MusicListItem'.

I have these 2 problems with the app:

1. The scrolling part is not scrolling smoothly and sometimes select things when scrolling on android devices
2. I want when I select a particular Item, a function to be called and change the icon of the MDIconButton of that selected item to 'pause'.

This is my .py file

Here is my code:

This is my code for a simple Mp3 player in python.

A function is created to display the songs in a folder and add them to a list: songs_list

There is another function which plays the songs depending on the song number. How can I send the songs_list to this function?

This is my code:

I have problem with assest audio player package when I try to play two songs inside one page both are playing ! The way I want when I press first button,first song play and when I press second button the first song stop and the second song start playing .

I used this code but it doesn't work

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I managed to delete some id, but I still get this error: can someone help me?