How to set video in background of android app layout

 

You will learn how to play the video in background of android app layout.

	package com.chozhanaadu.backgroundvideotutorial;
	import android.content.Context;
	import android.content.res.AssetFileDescriptor;
	import android.media.MediaPlayer;
	import android.os.Build;
	import android.util.AttributeSet;
	import android.view.SurfaceHolder;
	import android.view.SurfaceView;
	import android.view.ViewGroup;
	import androidx.annotation.RequiresApi;
	import java.io.IOException;
	public class BackgroundVideoView extends SurfaceView implements SurfaceHolder.Callback {
	private MediaPlayer mp;
	private Boolean isStarted = false;
	public BackgroundVideoView(Context context) {
	super(context);
	init();
	}
	public BackgroundVideoView(Context context, AttributeSet attrs) {
	super(context, attrs);
	init();
	}
	public BackgroundVideoView(Context context, AttributeSet attrs, int defStyleAttr) {
	super(context, attrs, defStyleAttr);
	init();
	}
	@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
	public BackgroundVideoView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
	super(context, attrs, defStyleAttr, defStyleRes);
	init();
	}
	private void init() {
	mp = new MediaPlayer();
	getHolder().addCallback(this);
	}
	@Override
	public void surfaceCreated(SurfaceHolder holder) {
	AssetFileDescriptor assetFileDescriptor = getResources().openRawResourceFd(R.raw.bgvideo);
	try {
	if(!isStarted)
	{
	isStarted = true;
	mp.setDataSource(assetFileDescriptor.getFileDescriptor(),
	assetFileDescriptor.getStartOffset(),
	assetFileDescriptor.getLength());
	}
	ViewGroup.LayoutParams layoutParams = getLayoutParams();
	layoutParams.height = getHeight();
	layoutParams.width = getWidth();
	setLayoutParams(layoutParams);
	mp.prepare();
	mp.setDisplay(getHolder());
	mp.setLooping(true);
	mp.start();
	setVolume(0);
	} catch (IOException e) {
	e.printStackTrace();
	}
	}
	private void setVolume(int amount) {
	final int max = 100;
	final double numerator = max - amount > 0 ? Math.log(max - amount) : 0;
	final float volume = (float) (1 - (numerator / Math.log(max)));
	this.mp.setVolume(volume, volume);
	}
	@Override
	public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
	}
	@Override
	public void surfaceDestroyed(SurfaceHolder holder) {
	mp.stop(); //Stop the video while surface is destroy
	}
	}

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