for network security config

add this in manifest file

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

inside the application tag in the manfiest file

android:networkSecurityConfig="@xml/network_security_config"

Create a res/xml/network_security_config.xml file:

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <domain-config cleartextTrafficPermitted="true">
        <domain includeSubdomains="true">commondatastorage.googleapis.com</domain>
    </domain-config>
</network-security-config>

in the java file set video uri to video

videoView = findViewById(R.id.videoView);
MediaController  mediaController = new MediaController(this);
mediaController.setAnchorView(videoView);
videoView.setMediaController(mediaController);
videoView.setVideoURI((Uri.parse("http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4")));
videoView.start();

add retrofit to the app

implementation 'com.squareup.retrofit2:retrofit:2.9.0'
implementation 'com.squareup.retrofit2:converter-gson:2.9.0'

in Api package create ApiClient

public class ApiClient {
    public  static Retrofit RETROFIT = null;

    public  static Retrofit getclient(){

        if(RETROFIT==null) {

            OkHttpClient okHttpClient = new OkHttpClient.Builder().build();

            Gson gson = new GsonBuilder().create();

            RETROFIT = new Retrofit.Builder()
                    .baseUrl("https://soft-fix.in/sprintkart/")
                    .client(okHttpClient)
                    .addConverterFactory(GsonConverterFactory.create(gson)).build();


        }
        return  RETROFIT;
    }

}

ApiInterface

public interface ApiInterface {
    @FormUrlEncoded
    @POST("api/v1/auth/login")
    Call<Login_Responce> loginverification(@Field("email") String email, @Field("password") String password);


    @GET("api/v1/categories")
    Call<Get_Main_Categories>  fetchmaincategories();
}

// i n the activity

ApiInterface apiInterface;


        Retrofit retrofit = com.moneyhawk.videobaseapp.api.ApiClient.getclient();
        apiInterface = retrofit.create(com.moneyhawk.videobaseapp.api.ApiInterface.class);

 MediaController  mediaController = new MediaController(this);
        mediaController.setAnchorView(videoView);
        videoView.setMediaController(mediaController);
       // videoView.setVideoURI((Uri.parse("http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4")));
        videoView.setVideoURI((Uri.parse("https://codingsansar.com/api/android2/android/uploads/2839596-hd_1280_720_30fps.mp4")));
        videoView.start();

public void gethorizontalscrollitem() {



        apiInterface.fetchmaincategories().enqueue(new Callback<ListModel>() {
            @Override
            public void onResponse(Call<ListModel> call, Response<ListModel> response) {

                try {
                    if (response != null) {

                        Log.e("apihit","api responce: "+ response.body().getMessage());


                        if (response.body().isStatus()==true) {
                          //  setadapter(response.body().getData());
//                            setadapterhardware(response.body().getData());
//                            GalleryList(new Gson().toJson(response.body()).toString()+"");



                        } else {
                            Toast.makeText(VideoActivity.this, response.body().getMessage(), Toast.LENGTH_SHORT).show();
                        }

                    }

                } catch (Exception e) {
                    Log.e("exp", e.getLocalizedMessage());
                }
            }

            @Override
            public void onFailure(Call<ListModel> call, Throwable t) {
                Log.e("failure", t.getLocalizedMessage());
            }
        });

//
    }

// shared pref

public enum ApplicationConstant {


    INSTANCE;

    public String username = "username";
    public String useremail = "useremail";
    public String userpwd = "userpwd";
//    public String prefNamePref = "prefNamePref";
public String prefNamePref = "MyPrefsFile";



}

     SharedPreferences.Editor editor = getSharedPreferences(ApplicationConstant.INSTANCE.prefNamePref, MODE_PRIVATE).edit();
                        editor.putString("username",username);
                        editor.putString("useremail",useremail);
      

                        Log.d("userid","user id" +userid );


                        editor.apply();

SharedPreferences prefs = getSharedPreferences(ApplicationConstant.INSTANCE.prefNamePref, MODE_PRIVATE);
myusername = prefs.getString("username"," ");
myuseremail = prefs.getString("useremail","");

firebase databsae

implementation 'com.google.firebase:firebase-auth:16.0.5'
 implementation 'com.google.firebase:firebase-database:16.0.4'
 implementation 'com.google.firebase:firebase-storage:19.1.1'