activity_dialog.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"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/auth_fragment"
        android:name="androidx.navigation.fragment.NavHostFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</androidx.constraintlayout.widget.ConstraintLayout>

AndroidManifest.xml

 <activity
            android:name="com.tarashly.user.ui.activity.DialogActivity"
            android:theme="@style/DialogActivityTheme"/>

dialog_error.xml

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

<layout 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">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/transparent">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@drawable/et_background"
            android:paddingBottom="@dimen/_24sdp"
            android:layout_marginBottom="@dimen/_36sdp"
            android:layout_marginEnd="@dimen/_16sdp"
            android:layout_marginStart="@dimen/_16sdp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.5"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <TextView
                android:id="@+id/textView7"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="24dp"
                android:text="@string/error"
                android:textAppearance="@style/TextAppearance.MaterialComponents.Headline6"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintHorizontal_bias="0.5"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <TextView
                android:id="@+id/tv_error"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/_8sdp"
                android:gravity="center"
                android:paddingStart="@dimen/_16sdp"
                android:paddingEnd="@dimen/_16sdp"
                tools:text="@string/invalid_email"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintHorizontal_bias="0.5"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/textView7" />

            <com.google.android.material.button.MaterialButton
                android:id="@+id/btn_ok"
                style="@style/SubmitButtonStyle"
                android:layout_width="@dimen/_100sdp"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/_8sdp"
                android:text="@string/ok"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintHorizontal_bias="0.5"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/tv_error" />
            
        </androidx.constraintlayout.widget.ConstraintLayout>

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>

DialogActivity.java

package com.tarashly.user.ui.activity;

import android.content.Context;
import android.os.Bundle;

import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;

import com.tarashly.user.R;
import com.tarashly.user.data.Params;

import timber.log.Timber;

public class DialogActivity extends ParentActivity {

    private void addFragment(String fragmentString, Bundle bundle) {
        try {
            Fragment fragment = (Fragment) (Class.forName(fragmentString).newInstance());
            fragment.setArguments(bundle);
            replaceFragment(this, fragment, "");
        } catch (IllegalAccessException | InstantiationException | ClassNotFoundException e) {
            Timber.e("Fragment Not Found \n %s", e);
        }
    }

    public void replaceFragment(Context context, Fragment fragment, String backStackText) {
        try {
            FragmentManager fragmentManager = ((FragmentActivity) context).getSupportFragmentManager();
            FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction().replace(R.id.auth_fragment, fragment);
            if (!backStackText.equals("")) {
                fragmentTransaction.addToBackStack(backStackText);
            }
            fragmentTransaction.commit();
        } catch (Exception e) {
            //Timber.e(e);
        }
    }
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dialog);
        if (getIntent().hasExtra(Params.INTENT_PAGE_DIALOG)) {
            addFragment(getIntent().getStringExtra(Params.INTENT_PAGE_DIALOG),
                    getIntent().getBundleExtra(Params.BUNDLE_DIALOG)
            );
        }
    }

}

ErrorDialog.java

package com.tarashly.user.ui.dialog;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.DialogFragment;

import com.tarashly.user.data.Params;
import com.tarashly.user.databinding.DialogErrorBinding;
import com.tarashly.user.ui.fragment.BaseFragment;
import com.tarashly.user.utils.AppUtil;

public class ErrorDialog extends BaseFragment {
    DialogErrorBinding binding;
    String msg;

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments()!=null){
            if (getArguments().containsKey(Params.MESSAGE)){
                msg = getArguments().getString(Params.MESSAGE);
            }
        }
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        binding = DialogErrorBinding.inflate(inflater, container, false);
        binding.tvError.setText(msg);
        binding.btnOk.setOnClickListener(v -> {
            closeFragment();
        });
        return binding.getRoot();
    }

}

styles.xml

  <style name="DialogActivityTheme" parent="AppTheme">
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowNoTitle">true</item>
        <!--<item name="android:windowIsFloating">true</item> &lt;!&ndash;act like dialog&ndash;&gt;-->
        <item name="android:backgroundDimEnabled">true</item>
        <item name="windowActionBar">false</item>
    </style>