musicbox | JavaScript interface for online musical score display | Audio Utils library

In my Activity I have an EditText, a Button and a GridView. The user selects the image from the GridView and enters the name in the EditText, and then clicks the done button. activity.xml

I am new to android and i know How to Create a GridView and i dont know how to mark the first one as the default one as Selected When the Fragmant was opened ...

i dont pass the image when the user Select the One i want to mark the image in gridview

gridview.xml

I am creating a local music player using react native, Google play music and other local music players on android or ios usually don't take time loading the music on the user's phone, I am making use of the https://www.npmjs.com/package/react-native-get-music-files to load the music on the user's phone then I'll display it in a scroll view, The music takes time to load and also takes time to render, Is there a way to load the music once from the user's phone, then when the app is reloaded it won't have to load the music again, it will be there already, so the app will just check for new music and old music if there is. This is my code below

I'm getting this error code

error: Playground execution aborted: error: Execution was interrupted, reason: EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0). The process has been left at the point where it was interrupted, use "thread return -x" to return to the state before expression evaluation.

Here's my code:

I am making a music player for my college project and facing some issues with Sliders.

1. How to style the seeking slider? (-fx-accent is not working).
2. How to print total time of song, and the current time at which song is playing.

Below is the code I'm using for seekSlider:

I developing music app.so i create Music service that play in song background so that work perfectly good in when i play song. But my question is we need different different service for all. so when i use music Service for album for playing album song that not working.

i don'i know what to do thanks in advance

that my code

i am working on music application. i am getting song data from url and i am using Json parsing. and set and display my data.

so i have pojo class i am getting data from url but that data not set in pojo i don't know what i am missing.

Thanks!! This is my pojo class

I have a recycleview which should have 4 different view types and i really don't know how to do that i tried to use the same view in the kv file then in the py in the view class i have dynamically added the view type that i really want but it didn't work. My code:

I am trying to develop a audio player using JavaFX. So, till now, my audio player has these basic functions - open, play, pause, stop, volume slider and seeking bar. Here is the problem, When I run the application and open any song, it starts to play. But when I open any other using(Using FileChooser and in the background, previous song is still playing) it also starts to play along with previous song(it was continuously playing). So, How do I this- When I play new song, the previous one stops. Here is my FXMLController code: