BitmapFactory返回比源更大的图像 [英] BitmapFactory returns bigger image than source
问题描述
你好我是来自一个名为png图片创建位图 image.png 。该图像具有尺寸75（宽）×92（高）。当我运行此code：
Hi i am creating a Bitmap from an png image named image.png. The image has the dimension 75 (width) x 92 (height). When I run this code:
Bitmap bitmap = BitmapFactory.decodeResource(this.context.getResources(), R.drawable.image
Log.d("image", "height: " + bitmap.getHeight() + " width: " + bitmap.getWidth());
记录器日志：
the logger logs:
DEBUG/image(3550): height: 138 width: 113
和屏幕上的图像比具有尺寸为75×92。我能做些什么来让Android负载与正确尺寸的形象呢？
and the image on the screen is bigger than other images which have the dimension 75 x 92. What can I do to make android load the image with the right dimension?
推荐答案
这听起来像您的设备上的屏幕像素密度比image.png其中创建密度不同。
It sounds like your screen density on your device is different than the density where image.png was created.
如果你真的想prevent缩放，你可以尝试以下操作之一：
If you really want to prevent the scaling, you could try one of the following:
-
放入水库图像/绘制-nodpi（http://developer.android.com/guide/practices/screens_support.html#qualifiers）
Put the image in res/drawable-nodpi (http://developer.android.com/guide/practices/screens_support.html#qualifiers)
使用ImageView.ScaleType.CENTER（http://developer.android.com/reference/android/widget/ImageView.ScaleType.html）
Use ImageView.ScaleType.CENTER (http://developer.android.com/reference/android/widget/ImageView.ScaleType.html)
刚刚发现此相关的问题上这样：<一href="http://stackoverflow.com/questions/4091921/android-how-to-stop-android-1-6-from-scaling-images">Android:如何从缩放图像
Just found this related question on SO: Android: How to stop Android 1.6+ from scaling images
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