Java file for requesting and transforming the image

MainActivity.java

package com.mukminullah.imagetransformer;

import android.graphics.drawable.Drawable;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.Toast;

import com.bumptech.glide.Glide;
import com.bumptech.glide.load.DataSource;
import com.bumptech.glide.load.engine.GlideException;
import com.bumptech.glide.load.resource.bitmap.CircleCrop;
import com.bumptech.glide.request.RequestListener;
import com.bumptech.glide.request.target.Target;

import static com.bumptech.glide.request.RequestOptions.bitmapTransform;

public class MainActivity extends AppCompatActivity {

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

        ImageView imgLoad = (ImageView) findViewById(R.id.img_load);
        final ProgressBar progressBar = (ProgressBar) findViewById(R.id.pb);

        Glide.with(MainActivity.this)
                .load("https://wolfpaulus.com/wp-content/uploads/2010/08/android.png")
                .apply(bitmapTransform(new CircleCrop()))
                .listener(new RequestListener<Drawable>() {
                    @Override
                    public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
                        progressBar.setVisibility(View.GONE);
                        Toast.makeText(MainActivity.this, "Something wrong: " + e, Toast.LENGTH_SHORT).show();
                        return false;
                    }

                    @Override
                    public boolean onResourceReady(Drawable resource, Object model, Target<Drawable> target, DataSource dataSource, boolean isFirstResource) {
                        progressBar.setVisibility(View.GONE);
                        return false;
                    }
                }).
                into(imgLoad);

    }
}