Display Progress Dialog without Text and Transparent Background

MainActivity.java

package com.test.myapplication;

import android.app.ProgressDialog;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {
    private Button button;
    private ProgressDialog dialog;
    @Override 

 protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        button = (Button)findViewById(R.id.btn);
        button.setOnClickListener(new View.OnClickListener() {
            @Override             

public void onClick(View v) {
                dialog = new ProgressDialog(MainActivity.this);
                dialog.getWindow().setBackgroundDrawable(new 

 ColorDrawable(android.graphics.Color.TRANSPARENT));
                dialog.setIndeterminate(true);
                dialog.setCancelable(true);
                dialog.show();
                dialog.setContentView(R.layout.my_progress);
            }
        });

    }
}

In res/layout 

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:layout_height="match_parent"
    android:paddingBottom="16dp"
    android:paddingLeft="16dp"
    android:paddingRight="16dp"
    android:paddingTop="16dp"
    tools:context="com.test.myapplication.MainActivity">

    <Button
        android:id="@+id/btn"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Click"
        android:textSize="20sp" />
</RelativeLayout>

In res/layout 

 my_progress.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center"
    android:background="@android:color/transparent">

    <ProgressBar
        android:id="@+id/progressBar1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:indeterminateDrawable="@drawable/myprogress_style" />

</RelativeLayout> 

In res/drawable

myprogress_style.xml

<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromDegrees="0"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toDegrees="360">

    <shape
        android:innerRadiusRatio="3"
        android:shape="ring"
        android:thicknessRatio="8"
        android:useLevel="false">

        <gradient
            android:centerColor="#FFCC35"
            android:centerY="0.50"
            android:endColor="#CE0000"
            android:startColor="#CE0000"
            android:type="sweep"
            android:useLevel="false" />
    </shape>

</rotate>

Now Run the application.

Try It...