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How to stop audio playback using MediaPlayer in Kotlin Android

How to stop audio playback using MediaPlayer in Kotlin Android.

Here's a step-by-step tutorial on how to stop audio playback using MediaPlayer in Kotlin Android:

Step 1: Set up MediaPlayer​

First, you need to set up the MediaPlayer in your Kotlin Android project. Add the following code in your activity or fragment:

import android.media.MediaPlayer

// Declare a MediaPlayer variable
private var mediaPlayer: MediaPlayer? = null

// Initialize the MediaPlayer
mediaPlayer = MediaPlayer()

Step 2: Prepare the audio file​

Before you can play or stop the audio, you need to prepare the audio file. You can do this by calling the setDataSource() method and passing the file path or URL of the audio file. Here's an example:

val audioFile = "path/to/audio/file.mp3"
mediaPlayer?.setDataSource(audioFile)

Step 3: Start audio playback​

To start playing the audio, call the start() method of the MediaPlayer. Here's an example:

mediaPlayer?.start()

Step 4: Stop audio playback​

To stop the audio playback, call the stop() method of the MediaPlayer. Here's an example:

mediaPlayer?.stop()

Note: After calling stop(), the MediaPlayer will enter the stopped state and cannot be used again without calling prepare() or prepareAsync().

Step 5: Release the MediaPlayer​

To properly release the MediaPlayer and free up system resources, call the release() method. It is important to release the MediaPlayer when you are done using it. Here's an example:

mediaPlayer?.release()
mediaPlayer = null

Step 6: Handle errors​

It's a good practice to handle errors that may occur during audio playback. You can use the setOnErrorListener() method to set an error listener for the MediaPlayer. Here's an example:

mediaPlayer?.setOnErrorListener { mp, what, extra ->
    // Handle the error here
    true // Return true to indicate that the error has been handled
}

That's it! You now have a step-by-step guide on how to stop audio playback using MediaPlayer in Kotlin Android. Remember to properly release the MediaPlayer when you are done using it to avoid any resource leaks.