适合大的图像分成小的ImageView以良好的质量与原始图像？ [英] Fit the large image into small imageview with as good quality as the original image?

问题描述

您好，我在一个很好的Andr​​oid应用程序的工作，我需要适应大位图到小尺寸的ImageView 。我使用的ImageView 尺寸的 300dp X 300dp 的，以显示大图的 1024×780 的

Hello I am working on one good android app where I need to fit the large bitmap into small size imageview. I am using imageview of size 300dp X 300dp to display large image 1024 X 780

如何使大图像分成小，良好的质量与原始图像？

How can I make the large image into small with as good quality as the original image ?

推荐答案

@Nikola评论回答了我的问题。我写这个的答案，所以，这将有利于未来的读者

@Nikola comment answered to my question. I am writing this in the answer so that it would good for future readers

您应该使大小为300x300的缩略图，但preserving长宽比。您可以集中一些颜色填充空间的其余部分在画布上绘制较大的图像。

You should make a Thumbnail image of size 300x300 but preserving its aspect ratio. You can draw larger images on a canvas centered with some color filling the rest of the space.

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