本文介绍了ExoPlayer从原始文件夹中读取mp3文件的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
是否可以将应用程序原始文件夹中的mp3文件设置为ExoPlayer?
Is there any possibility to set an mp3 file that's located in the app's raw folder to ExoPlayer?
不幸的是，我尝试使用以下代码片段来实现它:
I tried to achieve it with the following code snippet without success unfortunately:
mMediaPath = "android.resource://" + getPackageName() + File.separator + R.raw.ringtone;
任何帮助将不胜感激！
推荐答案
可以从原始文件夹加载文件，关键是使用RawSourceDataSource.
It's possible to load files from the raw folder, the key is to use RawSourceDataSource.
这是一个示例(在Kotlin中)，用于在原始目录中为mp3文件创建LoopingMediaSource:
Here's an example(in Kotlin) to create a LoopingMediaSource for an mp3file in the raw directory:
val uri = RawResourceDataSource.buildRawResourceUri(R.raw.mp3file)
val dataSource = RawResourceDataSource(this)
dataSource.open(DataSpec(uri))
val source = ExtractorMediaSource(uri, DataSource.Factory { dataSource }, Mp3Extractor.FACTORY, null, null)
LoopingMediaSource(source)
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