ImageViewTopCrop

import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Matrix;
import android.os.Build;
import android.util.AttributeSet;
import android.widget.ImageView;

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

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

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

	@TargetApi(Build.VERSION_CODES.LOLLIPOP)
	public ImageViewTopCrop(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
		super(context, attrs, defStyleAttr, defStyleRes);
		init();
	}

	@Override
	protected boolean setFrame(int left, int top, int right, int bottom)
	{
		if (getDrawable() != null)
		{
			Matrix matrix = getImageMatrix();
			int width = right - left;
			int height = bottom - top;
			int intrinsicWidth = getDrawable().getIntrinsicWidth();
			int intrinsicHeight = getDrawable().getIntrinsicHeight();
			float widthScaleFactor = (float) width / (float) intrinsicWidth;
			float heightScaleFactor = (float) height / (float) intrinsicHeight;
			float scaleFactor = Math.max(widthScaleFactor, heightScaleFactor);
			matrix.setScale(scaleFactor, scaleFactor, 0, 0);
			if (widthScaleFactor < heightScaleFactor) {
				// if we're going to crop the width, translate the resulting image
				// so that we crop from the center, equal amounts left and right
				float targetWidth = intrinsicWidth * scaleFactor;
				float translateX = (width - targetWidth) / 2.f;
				matrix.postTranslate(translateX, 0);
			}
			setImageMatrix(matrix);
		}
		return super.setFrame(left, top, right, bottom);
	}

	private void init() {
		setScaleType(ImageView.ScaleType.MATRIX);
	}
}

This is a top center cropping imageview which strangely is not a default option in Android. Many of the normal parameters one could normally apply to an ImageView might not work.