SquareImageView.java

SquareImageView.java

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ImageView;

/**
 * Thanks to StackOverflow
 * @link http://stackoverflow.com/a/15264039/425050
 */

public class SquareImageView extends ImageView {
    public SquareImageView(Context context) {
        super(context);
    }

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

    public SquareImageView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        setMeasuredDimension(getMeasuredWidth(), getMeasuredWidth()); 
    }
}