Show image in circle in Android

CircleImageView.java

package com.linecorp.linesdk.dialog.internal;


import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.support.annotation.Nullable;
import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
import android.support.v7.widget.AppCompatImageView;
import android.util.AttributeSet;

public class CircleImageView extends AppCompatImageView {
    public CircleImageView(Context context) {
        super(context);
    }

    public CircleImageView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public CircleImageView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    @Override
    public void setImageDrawable(@Nullable Drawable drawable) {
        if (drawable == null) {
            super.setImageDrawable(null);
            return;
        }

        Bitmap imageBitmap = ((BitmapDrawable) drawable).getBitmap();
        RoundedBitmapDrawable imageDrawable = RoundedBitmapDrawableFactory.create(getContext().getResources(), imageBitmap);
        imageDrawable.setCircular(true);
        imageDrawable.setCornerRadius(Math.max(imageBitmap.getWidth(), imageBitmap.getHeight()) / 2.0f);
        super.setImageDrawable(imageDrawable);
    }
}