How to Add Like,Dislike button in video in android studio

 Add like and dislike button on video is a very popular function at this time, Let's add like, dislike button on the video, follow these steps:

                                                Create a new android project in android studio

                                                Type project name first_project

       How to create an android project in android studio

↓

Add below code in AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.firstproject">

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
    tools:ignore="ScopedStorage" />

    <application
        android:hardwareAccelerated="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.firstproject">
//Below activity name differ , as you type activity name during creating
//Below activity code is automatic generated
        <activity android:name=".video_Player"/>
        <activity android:name=".videos" />
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

↓
Add below code in project-level Gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.1.3"
        classpath 'com.google.gms:google-services:4.3.10'

        // classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'


        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
        maven { url "https://jitpack.io" }
        mavenLocal()

    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

↓
       Type below code in app-level Gradle

plugins {
    id 'com.android.application'
    id 'com.google.gms.google-services'
}

android {
    compileSdkVersion 30
    buildToolsVersion "30.0.3"

    defaultConfig {
        applicationId "com.example.phoneauthentication"
        minSdkVersion 19
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.3.1'
    implementation 'com.google.android.material:material:1.4.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
    testImplementation 'junit:junit:'
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
    implementation platform('com.google.firebase:firebase-bom:26.1.0')
    implementation 'com.google.firebase:firebase-auth'

    implementation 'com.github.joielechong:countrycodepicker:2.4.2'

    implementation 'com.karumi:dexter:6.2.2'
    implementation 'com.google.firebase:firebase-storage:20.0.0'
    implementation 'com.google.firebase:firebase-messaging:22.0.0'
    implementation 'com.firebaseui:firebase-ui-database:6.2.1'

    implementation 'com.google.android.exoplayer:exoplayer:2.7.3'
    implementation 'com.google.android.exoplayer:exoplayer-core:2.7.3'
    implementation 'com.google.android.exoplayer:exoplayer-dash:2.7.3'
    implementation 'com.google.android.exoplayer:exoplayer-hls:2.7.3'
    implementation 'com.google.android.exoplayer:exoplayer-smoothstreaming:2.7.3'
    implementation 'com.google.android.exoplayer:exoplayer-ui:2.7.3'

    implementation 'com.github.bumptech.glide:glide:4.12.0'
    annotationProcessor 'com.github.bumptech.glide:compiler:4.12.0'


}

↓
Type below code in MainActivity.java

package com.example.first_project;

import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.SearchView;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.RecyclerView.ViewHolder;

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.Toast;

import com.bumptech.glide.Glide;
import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.android.material.snackbar.Snackbar;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.Query;
import com.google.firebase.messaging.FirebaseMessaging;

import java.util.HashMap;
import java.util.Random;

public class MainActivity extends AppCompatActivity {
    RecyclerView recyclerView;
    ProgressBar progressBar;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        recyclerView = findViewById(R.id.recyclerview);
        progressBar = findViewById(R.id.mprogressbar);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));


        FirebaseRecyclerOptions<songs> options = new FirebaseRecyclerOptions.Builder<songs>()
                .setQuery(FirebaseDatabase.getInstance().getReference().child("Videos"), songs.class)
                .build();
        FirebaseRecyclerAdapter<songs, VideoViewHolder> firebaseRecyclerAdapter = new FirebaseRecyclerAdapter<songs, VideoViewHolder>(options) {
            @Override
            protected void onBindViewHolder(@NonNull VideoViewHolder holder, int position, @NonNull songs model) {
                holder.video_name.setText(model.getVideoname().toUpperCase());
                String file = model.getVideourl();
                String postkey = getRef(position).getKey();
                assert postkey != null;
                FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
                assert user != null;
                String currentuser = user.getUid();
                holder.setlikesbuttonstatus(postkey, currentuser);
                holder.dislikebuttonstatus(postkey, currentuser);


                //   File mfile=new File(Environment.getExternalStorageDirectory()
                //  .getAbsolutePath());
                //   vh.new Compressvideo().execute("false",model.getVideourl(),mfile.getPath());

                //   vh.showVideo(getApplicationContext(), Uri.parse(model.getVideourl()));
                Glide.with(getApplicationContext()).asBitmap().load(model.getVideourl()).into((holder).video_thumb);
                holder.like_btn.setOnClickListener(v -> {
                            Toast.makeText(getApplicationContext(), "Play first", Toast.LENGTH_LONG).show();
                        });
                holder.dislike_btn.setOnClickListener(v -> {
                            Toast.makeText(getApplicationContext(), "Play first", Toast.LENGTH_LONG).show();
                        });

                    holder.video_thumb.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        String type=model.getSotype();
                        Intent intent = new Intent(MainActivity.this, video_Player.class);
                        intent.putExtra("path file", file);
                        intent.putExtra("song name", model.getVideoname());
                        intent.putExtra("song type",type);
                        intent.putExtra("postkey",postkey);
                        intent.putExtra("current user",currentuser);
                        startActivity(intent);


                    }
                });
                holder.video_name.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        String type=model.getSotype();
                        Intent intent = new Intent(MainActivity.this, video_Player.class);
                        intent.putExtra("path file", file);
                        intent.putExtra("song name", model.getVideoname());
                        intent.putExtra("song type",type);
                        intent.putExtra("postkey",postkey);
                        intent.putExtra("current user",currentuser);
                        startActivity(intent);


                    }
                });


            }

            @NonNull
            @Override
            public VideoViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
             
            //Create Layout Resource File type name singlerow
           // 
               View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.singlerow, parent, false);
                return new VideoViewHolder(view);
            }

           };
        firebaseRecyclerAdapter.startListening();
        recyclerView.setAdapter(firebaseRecyclerAdapter);


    }

     @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        //Create a new custom menu type name add_videos
        //How to create custom menu in android studio
         getMenuInflater().inflate(R.menu.custom_menu, menu);
         //Type below code in add_videos
          /*
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item android:id="@+id/add_videos"
        android:icon="@drawable/ic_baseline_add_circle_outline_24"
        android:title="@string/add_song"
        app:showAsAction="always"
        />

</menu>
*/
         MenuItem searchItem = menu.findItem(R.id.add_videos);

         return super.onCreateOptionsMenu(menu);
    }
    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        if(item.getItemId()==R.id.add_videos){
            try {
                pickvideo();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return super.onOptionsItemSelected(item);
    }

    private void pickvideo() {
  //Create a new java addvideo
   //How to create a new java class in android studio

        startActivity(new Intent(MainActivity.this, addvideo.class));
    }

}


                                    ↓
             
  
  

  
  
  
  
  
  
  Type below code in activity_main.xml
                                   <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:id="@+id/hindi_song"
    android:layout_height="match_parent"
    tools:context=".videos">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recyclerview"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <ProgressBar
        android:id="@+id/mprogressbar"
        android:layout_width="123dp"
        android:layout_height="74dp"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentBottom="true"
        android:layout_centerInParent="true"
        android:layout_marginStart="124dp"
        android:layout_marginTop="339dp"
        android:layout_marginEnd="164dp"
        android:layout_marginBottom="318dp"
        android:foregroundGravity="center"
        android:visibility="visible" />

</RelativeLayout>

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Create a new activity Type name  video_Player

                                                    
                                                                               ↓

                                     Type below code in activity_video_player.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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:id="@+id/Videoplayer" 
    android:layout_height="match_parent"
    tools:context=".video_Player">


    <com.google.android.exoplayer2.ui.PlayerView
        android:layout_width="match_parent"
        android:layout_height="260dp"
        app:resize_mode="fit"
        app:hide_on_touch="true"
        app:show_timeout="5000"
        app:surface_type="surface_view"
        app:rewind_increment="10000"
        app:fastforward_increment="10000"
        app:use_controller="true"
        app:player_layout_id="@layout/exo_simple_player_view"

        app:controller_layout_id="@layout/custom_playback_view"
        android:id="@+id/videoplayer"/>
    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/ldrecvi"
        android:layout_width="match_parent"
        android:layout_height="69dp"
        android:layout_below="@id/video_name"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true"
        android:layout_marginStart="0dp"
        android:layout_marginTop="304dp" />

    <ProgressBar
        android:id="@+id/progress_bar"
        android:layout_width="70dp"
        android:layout_height="70dp"
        android:layout_marginStart="170dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentEnd="true"
        android:layout_marginTop="130dp"
        android:layout_marginEnd="171dp"  />
    <TextView
        android:id="@+id/video_name"
        android:layout_width="match_parent"
        android:layout_marginTop="260dp"
        android:textStyle="bold"
        android:textSize="20sp"
        android:text="@string/song_name"
        android:layout_height="50dp"/>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rrecvi"
        android:layout_width="match_parent"
        android:layout_height="311dp"
        android:layout_marginTop="421dp"
        android:layout_below="@id/video_name" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>

                              ↓                                       Type below code in video_player.java  

 package com.example.firstproject;

import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.appcompat.app.AppCompatActivity;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.content.pm.ActivityInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.bumptech.glide.Glide;
import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.android.exoplayer2.DefaultLoadControl;
import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.ExoPlayerFactory;
import com.google.android.exoplayer2.LoadControl;
import com.google.android.exoplayer2.PlaybackParameters;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.extractor.DefaultExtractorsFactory;
import com.google.android.exoplayer2.extractor.ExtractorsFactory;
import com.google.android.exoplayer2.source.ExtractorMediaSource;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
import com.google.android.exoplayer2.trackselection.TrackSelector;
import com.google.android.exoplayer2.ui.PlayerView;
import com.google.android.exoplayer2.upstream.BandwidthMeter;
import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
import com.google.android.material.snackbar.Snackbar;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.Query;
import com.google.firebase.database.ValueEventListener;

import java.util.Objects;

public class video_Player extends AppCompatActivity {
    PlayerView playerView;
    public SimpleExoPlayer simpleExoPlayer;
    ProgressBar progressBar;
    TextView mname;
    RelativeLayout mprogress;
    boolean flag=false;
    boolean playcon=false;
    FirebaseRecyclerAdapter<songs, RecyclerView.ViewHolder> mfirebaseRecyclerAdapter ;
    String name ;
    String path;
    String type;
    String postkey;
    String currentuser;
    RecyclerView ldrecyclerView,rrecyclerview;
    CoordinatorLayout nhindi;
    private static final int item_data = 0;
    private static final int item_banner = 1;
    boolean likechecker = false;
    boolean dislikechecker = false;
    ImageView like_btn, dislike_btn;
    TextView like_text,  dislike_text;

    DatabaseReference searchDatabaseReference = FirebaseDatabase.getInstance().getReference();
    DatabaseReference likereference = FirebaseDatabase.getInstance().getReference().child("Likes");
    DatabaseReference dislikereference = FirebaseDatabase.getInstance().getReference().child("DisLikes");


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_video__player);
        progressBar = findViewById(R.id.progress_bar);
        ldrecyclerView = (RecyclerView) findViewById(R.id.ldrecvi);
        rrecyclerview = (RecyclerView) findViewById(R.id.rrecvi);
        nhindi=findViewById(R.id.Videoplayer);
        path = getIntent().getStringExtra("path file");
        name = getIntent().getStringExtra("song name");
        type = getIntent().getStringExtra("song type");
        postkey = getIntent().getStringExtra("postkey");
        currentuser = getIntent().getStringExtra("current user");

        Objects.requireNonNull(getSupportActionBar()).hide();
        playerView = (PlayerView) findViewById(R.id.videoplayer);
        mname = findViewById(R.id.video_name);
        like_btn = findViewById(R.id.like_symbol);
        dislike_btn = findViewById(R.id.dislike_symbol);
        like_text = findViewById(R.id.like_text);
        dislike_text = findViewById(R.id.dislike_text);
        ldrecyclerView.setLayoutManager(new LinearLayoutManager(this));
//Type name Videos same as when you upload video .
//How to Add video(Part-1) in FirebaseRecyclerAdapter in android studio

        Query sQuery = searchDatabaseReference.child("Videos").orderByChild("videoname").equalTo(name);
        FirebaseRecyclerOptions<songs> options = new FirebaseRecyclerOptions.Builder<songs>()
                .setQuery(sQuery, songs.class)
                .build();
  //Create a new java class type name songs ,if you do not create songs class
//Create a VideoViewHolder java class,if you do not create VideoViewHolder
//How to create a new java class in existing project in android studio
          FirebaseRecyclerAdapter<songs,VideoViewHolder> firebaseRecyclerAdapter=new FirebaseRecyclerAdapter<songs, VideoViewHolder>(options) {
              @Override
              protected void onBindViewHolder(@NonNull VideoViewHolder holder, int position, @NonNull songs model) {
                  holder.setlikesbuttonstatus(postkey, currentuser);
                  holder.dislikebuttonstatus(postkey, currentuser);
                  holder.dislike_btn.setOnClickListener(v -> {

                      dislikechecker = true;
                      dislikereference.addValueEventListener(new ValueEventListener() {
                          @Override
                          public void onDataChange(@NonNull DataSnapshot snapshot) {
                              // Object key=snapshot.getRef().getKey();
                              //String mykey=key.toString();
                              if (Objects.equals(dislikechecker, true)) {
                                  assert postkey != null;
                                  if (snapshot.child(postkey).hasChild(currentuser)) {
                                      dislikereference.child(postkey).child(currentuser).removeValue();
                                      /*Snackbar.make(mhindi, "Dislike removed", Snackbar.LENGTH_LONG)
                                              .setAction("Close", v17 -> {

                                              }).setActionTextColor(getResources().getColor(R.color.design_default_color_primary))
                                              .show();*/

                                  } else {
                                      dislikereference.child(postkey).child(currentuser).setValue(true);
                                      likereference.child(postkey).child(currentuser).removeValue();
                                      /*Snackbar.make(mhindi, "You dislike this video", Snackbar.LENGTH_LONG)
                                              .setAction("Close", new View.OnClickListener() {
                                                  @Override
                                                  public void onClick(View v17) {

                                                  }
                                              }).setActionTextColor(getResources().getColor(R.color.design_default_color_primary))
                                              .show();*/


                                  }
                                  dislikechecker = false;
                              }
                          }

                          @Override
                          public void onCancelled(@NonNull DatabaseError error) {

                          }
                      });

                  });

                  holder.like_btn.setOnClickListener(v -> {

                      likechecker = true;
                      likereference.addValueEventListener(new ValueEventListener() {
                          @Override
                          public void onDataChange(@NonNull DataSnapshot snapshot) {
                              if (Objects.equals(likechecker, true)) {
                               //   assert postkey != null;
                                  if (snapshot.child(postkey).hasChild(currentuser)) {
                                      likereference.child(postkey).child(currentuser).removeValue();
                                      /*Snackbar.make(mhindi, "Remove from Liked videos", Snackbar.LENGTH_LONG)
                                              .setAction("Close", v17 -> {

                                              }).setActionTextColor(getResources().getColor(R.color.design_default_color_primary))
                                              .show();*/


                                  } else {
                                      likereference.child(postkey).child(currentuser).setValue(true);
                                      dislikereference.child(postkey).child(currentuser).removeValue();
                                      /*Snackbar.make(mhindi, "Added to Liked videos", Snackbar.LENGTH_LONG)
                                              .setAction("Close", v17 -> {

                                              }).setActionTextColor(getResources().getColor(R.color.design_default_color_primary))
                                              .show();*/


                                  }
                                  likechecker = false;
                              }
                          }

                          @Override
                          public void onCancelled(@NonNull DatabaseError error) {

                          }
                      });
                  });




              }

              @NonNull
              @Override
              public VideoViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
                  View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.buttons, parent, false);
                  return new VideoViewHolder(view);
              }
          };
        firebaseRecyclerAdapter.notifyDataSetChanged();
        firebaseRecyclerAdapter.startListening();
        ldrecyclerView.setAdapter(firebaseRecyclerAdapter);


        // getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
        try {
            Uri videourl = Uri.parse(path);
            LoadControl loadControl = new DefaultLoadControl();
            BandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
            TrackSelector trackSelector = new DefaultTrackSelector(new AdaptiveTrackSelection.Factory(bandwidthMeter));
            simpleExoPlayer = ExoPlayerFactory.newSimpleInstance(video_Player.this, trackSelector, loadControl);
            DefaultHttpDataSourceFactory factory = new DefaultHttpDataSourceFactory("exoplayer_video");
            ExtractorsFactory extractorsFactory = new DefaultExtractorsFactory();
            MediaSource mediaSource = new ExtractorMediaSource(videourl, factory, extractorsFactory, null, null);
            playerView.setPlayer(simpleExoPlayer);
            playerView.setKeepScreenOn(true);
            mname.setText(name);
            simpleExoPlayer.prepare(mediaSource, true, false);
            simpleExoPlayer.setPlayWhenReady(true);
            // simpleExoPlayer.seekTo(currentWindow,playbackposition);
            simpleExoPlayer.addListener(new Player.EventListener() {
                @Override
                public void onTimelineChanged(Timeline timeline, Object manifest, int reason) {

                }

                @Override
                public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {

                }

                @Override
                public void onLoadingChanged(boolean isLoading) {

                }

                @Override
                public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
                    if (playbackState == Player.STATE_BUFFERING) {
                        progressBar.setVisibility(View.VISIBLE);
                    } else if (playbackState == Player.STATE_READY) {
                        progressBar.setVisibility(View.GONE);

                    }
                }


                @Override
                public void onRepeatModeChanged(int repeatMode) {

                }

                @Override
                public void onShuffleModeEnabledChanged(boolean shuffleModeEnabled) {

                }

                @RequiresApi(api = Build.VERSION_CODES.R)
                @Override
                public void onPlayerError(ExoPlaybackException error) {
                    simpleExoPlayer.stop();
                }

                @Override
                public void onPositionDiscontinuity(int reason) {

                }

                @Override
                public void onPlaybackParametersChanged(PlaybackParameters playbackParameters) {

                }

                @Override
                public void onSeekProcessed() {

                }
            });
            simpleExoPlayer.setPlayWhenReady(true);

         } catch (Exception e) {
            e.printStackTrace();
        }
        Query ssQuery = searchDatabaseReference.child("Videos").orderByChild("sotype").equalTo(type);
        rrecyclerview.setLayoutManager(new LinearLayoutManager(video_Player.this));
        FirebaseRecyclerOptions<songs> moptions = new FirebaseRecyclerOptions.Builder<songs>()
                .setQuery(ssQuery, songs.class)
                .build();
        FirebaseRecyclerAdapter<songs,VideoViewHolder> firebaseRecyclerAdapter1=new FirebaseRecyclerAdapter<songs, VideoViewHolder>(moptions) {
            @Override
            protected void onBindViewHolder(@NonNull VideoViewHolder holder, int position, @NonNull songs model) {
                holder.video_name.setText(model.getVideoname().toUpperCase());  Glide.with(getApplicationContext()).asBitmap().load(model.getVideourl()).into((holder).video_thumb);
                FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
                assert user != null;
                String currentuser = user.getUid();
                String postkey = getRef(position).getKey();
                String file = model.getVideourl();
                holder.like_btn.setOnClickListener(v -> {
                    Toast.makeText(getApplicationContext(), "Play first", Toast.LENGTH_LONG).show();
                });
                holder.dislike_btn.setOnClickListener(v -> {
                    Toast.makeText(getApplicationContext(), "Play first", Toast.LENGTH_LONG).show();
                });




            }

            @NonNull
            @Override
            public VideoViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
                View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.singlerow, parent, false);
                return new VideoViewHolder(view);
            }
        };
      //  mfirebaseRecyclerAdapter = firebaseRecyclerAdapter;
        firebaseRecyclerAdapter1.notifyDataSetChanged();
        firebaseRecyclerAdapter1.startListening();
        rrecyclerview.setAdapter(firebaseRecyclerAdapter1);

    }
}
//Run and Play Video

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