TextureView : AndroidStudio

A TextureView can be used to display a video or OpenGL scene. It can only be used in a hardware accelerated window. The following code shows a video in a TextureView.

activity_main.xml.

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextureView
        android:id="@+id/textureView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="200dp"
        android:layout_marginBottom="200dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Video in TextureView"
        android:textColor="@color/black"
        android:textSize="30sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toTopOf="@+id/textureView"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

Video video.mp4 was put (pasted) in the assets folder. The ‘assets’ folder was created from app>New>Folder>Assets Folder>main>Finish. The following code shows MainActivity.java.

package com.example.textureview;

import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.appcompat.app.AppCompatActivity;
import android.content.res.AssetFileDescriptor;
import android.graphics.SurfaceTexture;
import android.media.MediaPlayer;
import android.os.Build;
import android.os.Bundle;
import android.view.Surface;
import android.view.TextureView;
import java.io.IOException;

public class MainActivity extends AppCompatActivity implements TextureView.SurfaceTextureListener {

    private TextureView textureView;
    private MediaPlayer mediaPlayer;
    private AssetFileDescriptor fileDescriptor;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textureView = (TextureView) findViewById(R.id.textureView);
        textureView.setSurfaceTextureListener(this);
        mediaPlayer = new MediaPlayer();

        try {
            fileDescriptor = getAssets().openFd("video.mp4");
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

    @RequiresApi(api = Build.VERSION_CODES.N)
    @Override
    public void onSurfaceTextureAvailable(@NonNull SurfaceTexture surfaceTexture, int width, int height) {

        Surface surface = new Surface(surfaceTexture);
        try {
            mediaPlayer.setDataSource(fileDescriptor);
            mediaPlayer.setSurface(surface);
            mediaPlayer.prepareAsync();
            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
                @Override
                public void onPrepared(MediaPlayer mediaPlayer) {
                    mediaPlayer.start();
                }
            });
        }
        catch (IOException e) {
            e.printStackTrace();
        }

    }

    @Override
    public void onSurfaceTextureSizeChanged(@NonNull SurfaceTexture surfaceTexture, int width, int height) {

    }

    @Override
    public boolean onSurfaceTextureDestroyed(@NonNull SurfaceTexture surfaceTexture) {
        return false;
    }

    @Override
    public void onSurfaceTextureUpdated(@NonNull SurfaceTexture surfaceTexture) {

    }

    @Override
    protected void onPause() {
        if (mediaPlayer !=null && mediaPlayer.isPlaying())
        {
            mediaPlayer.pause();
        }
        super.onPause();
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (mediaPlayer!=null)
        {
            mediaPlayer.start();
        }
    }

    @Override
    protected void onDestroy() {
        if(mediaPlayer!=null)
        {
            mediaPlayer.stop();
            mediaPlayer.release();
            mediaPlayer = null;
        }
        super.onDestroy();
    }
}

TextureView : AndroidStudio

Output: