How to Play video in Android studio?

# In activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout 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"  

  xmlns:design="http://schemas.android.com/apk/res-auto"

tools:context="com.spidytechnology.demoproject.MainActivity">

    <VideoView     

       android:layout_width="wrap_content" 

       android:layout_height="wrap_content"   

       android:id="@+id/VideoView"    

       android:layout_centerHorizontal="true" 

       android:layout_centerVertical="true"        />

</RelativeLayout>

# Create a raw folder in Resource file 

paste you video in raw folder 

#In MainActivity.Java

import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.VideoView;

public class MainActivity extends AppCompatActivity {

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

        VideoView videoView = (VideoView) findViewById(R.id.VideoView);
        String uriPath = "android.resource://com.spidytechnology.demoproject/"+ R.raw.spidyintro;
        Uri uri = Uri.parse(uriPath);
        videoView.setVideoURI(uri);
        videoView.requestFocus();
        videoView.start();



    }
}

How to Hide App in Android studio?

In activity_main.xml

Add a Button to click.

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout

    xmlns:android="http://schemas.android.com/apk/res/android" 

   xmlns:tools="http://schemas.android.com/tools" 

   xmlns:app="http://schemas.android.com/apk/res-auto" 

   android:layout_width="match_parent"  

  android:layout_height="match_parent"  

  tools:context="com.spidytechnology.hideappicon.MainActivity">

    <Button     

       android:layout_width="wrap_content"  

       android:layout_height="wrap_content" 

       android:text="CLick to Hide App"   

       android:id="@+id/button"

        android:layout_centerInParent="true"        />

</RelativeLayout>

# In MainActivity.Java

Add this following Codes

public class MainActivity extends AppCompatActivity {
    
    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        Button button = findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override            public void onClick(View v) {
                PackageManager packageManager = getPackageManager();
                ComponentName componentName = new ComponentName(MainActivity.this, MainActivity.class);
                packageManager.setComponentEnabledSetting(componentName,
                        PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);

                Toast.makeText(MainActivity.this, "App Hide Successfully", Toast.LENGTH_SHORT).show();
            }
        });

           }
     }