如果图像处于drawable-xxhdpi，则部分显示

Question

I'm displaying an image through an ImageSwitcher with this factory:

    view_background.setFactory {
        val imageView = ImageView(this@MainActivity)
        imageView.scaleType = ImageView.ScaleType.CENTER_CROP
        imageView
    }

And I'm displaying correctly this 2341x1246 PNG 2.55 MB image on a Nexus 5 emulator:

However, if I use it on Nexus 6, it crashes:

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.llovagn.t4r, PID: 4693
    java.lang.RuntimeException: Canvas: trying to draw too large(142936136bytes) bitmap.

By putting it in drawable-xxhdpi as suggested in this answer, it now look like this on both devices:

Which I something that I don't really want (the first way is the correct one). Why and how can I solve this?

Answer 1

2341x1246 PNG 2.55 MB

Canvas: trying to draw too large ( 142936136bytes ) bitmap

This doesn't look like a good approach. Reduce the size of the image and put the image in the drawable directory.

It happens because you put the picture inside "drawable- xxhdpi ". Take a look at the sizes in here .

However, after doing what I suggested, use FIT_XY to fit the image:

imageView.scaleType = ImageView.ScaleType.FIT_XY

You won't need 2.5 MB image in your application. That's pretty too much with that size.

Answer 2

To avoid this error try to use as small resolution of image as possible, also the image view should also be small, you could also get OOM on bigger and high res devices. Best way would be to use a png image on a background view where background can be solid color or gradient. By this way you can use smaller images that might not need to fill the whole screen size.