将 mp3 文件放入 android 项目的正确位置
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Right place for putting mp3 files in an android project
提问by Mohammad Moghimi
Is there any folder like res/drawable for mp3 or generally audio files? If yes, what is it and how can I get access to it from the app?
是否有像 res/drawable 这样的文件夹用于 mp3 或一般的音频文件？如果是，它是什么以及如何从应用程序访问它？
采纳答案by Anurag Ramdasan
The best place to put such .mp3or any other files would be in the assetsfolder.
放置此类.mp3文件或任何其他文件的最佳位置是assets文件夹中。
These files once stored will become a part of your android app itself and can be read easily. This tutorialdescribes it well.
这些文件一旦存储将成为您的 android 应用程序本身的一部分，可以轻松读取。本教程很好地描述了它。
AssetFileDescriptor afd = getAssets().openFd("AudioFile.mp3");
MediaPlayer player = new MediaPlayer();
player.setDataSource(afd.getFileDescriptor(),afd.getStartOffset(),afd.getLength());
player.prepare();
player.start();
Alternatively you can also store it in the rawfolder and read it directly by specifying the path as the raw folder.
this can be played as:
或者，您也可以将其存储在raw文件夹中，并通过将路径指定为原始文件夹来直接读取。这可以播放为：
int resID=getResources().getIdentifier(fname, "raw", getPackageName());
MediaPlayer mediaPlayer=MediaPlayer.create(this,resID);
回答by Tabish khan
Here are some steps you can easily follow.
以下是您可以轻松遵循的一些步骤。
Step-1: Open the android studio with the project in which you want to add-on audio clip/media file. Step-2: Create a raw folder. Step-3: Add media file to raw folder by simply copy and paste that to raw folder.
步骤 1：打开 android studio，其中包含要添加音频剪辑/媒体文件的项目。第 2 步：创建一个原始文件夹。第 3 步：通过简单地将媒体文件复制并粘贴到原始文件夹，将媒体文件添加到原始文件夹。
Step-4: Here we added a media file “ring.mp3” . Now open the Java File of desired activity, here we are adding audio in MainActivity.
第 4 步：这里我们添加了一个媒体文件“ring.mp3”。现在打开所需活动的 Java 文件，这里我们在 MainActivity 中添加音频。
Step 5: Further add this code.
第 5 步：进一步添加此代码。
MediaPlayer ring= MediaPlayer.create(MainActivity.this,R.raw.ring);
ring.start();
**Step 6: Now run the App and you will music will play when App will start
**第 6 步：现在运行应用程序，当应用程序启动时，您将播放音乐
**
**
回答by wesk
You should save the .mp3 into res/raw. AndroidStudio recognizes the rawfolder. (By contrast, it does not automatically recognize a res/assetsfolder).
您应该将 .mp3 保存到res/raw. AndroidStudio 识别raw文件夹。（相比之下，它不会自动识别res/assets文件夹）。
To play music.mp3:
播放音乐.mp3：
mediaPlayer = MediaPlayer.create(ctx, R.raw.cat_meow);
mediaPlayer.start();
mediaPlayer = MediaPlayer.create(ctx, R.raw.cat_meow);
mediaPlayer.start();
Note the convenient use of R.syntax.
请注意R.语法的方便使用。
回答by Zaid Daghestani
Place it into your assets folder. Preferably under assets/raw/myfile.mp3 You can access it using:
将其放入您的资产文件夹。最好在 assets/raw/myfile.mp3 下您可以使用以下方法访问它：
String mp3File = "raw/music.mp3";
AssetManager assetMan = getAssets();
MediaPlayer media = new MediaPlayer();
FileInputStream mp3Stream = assetMan.openFd(mp3File).createInputStream();
media.setDataSource(mp3Stream.getFD());
media.prepare();
media.start();
