Java 使用 glide 将位图加载到 ImageView
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Use glide to load bitmap to ImageView
提问by Tosin Onikute
I would like to use Glide to load bitmap to ImageView after cropping and re-sizing a bitmap.
我想在裁剪和调整位图大小后使用 Glide 将位图加载到 ImageView。
I don't want to use ImageView.setImageBitmap(bitmap);because I am loading lots of images and it might be taking up some memory, although the images are small in size, I just need to use Glide because I know it optimises image caching.
我不想使用，ImageView.setImageBitmap(bitmap);因为我正在加载大量图像，它可能会占用一些内存，虽然图像很小，但我只需要使用 Glide，因为我知道它优化了图像缓存。
I read thispost, but I didn't quite understand his solution when I tried implementing it. So maybe someone has a cleaner and more easily understandable solution.
我读了这篇文章，但是当我尝试实施它时，我不太明白他的解决方案。所以也许有人有一个更清晰、更容易理解的解决方案。
This is my code which picks up an image and creates a bitmap out of it.
这是我的代码，它拾取图像并从中创建位图。
I need to use glide instead of ImageView.setImageBitmap(bitmap);.
我需要使用 glide 而不是ImageView.setImageBitmap(bitmap);.
new AsyncTask<String, Void, Void>() {
Bitmap theBitmap = null;
Bitmap bm = null;
@Override
protected Void doInBackground(String... params) {
String TAG = "Error Message: ";
try {
//Load the image into bitmap
theBitmap = Glide.
with(mContext).
load("http://example.com/imageurl").
asBitmap().
into(-1, -1).
get();
//resizes the image to a smaller dimension out of the main image.
bm = Bitmap.createBitmap(theBitmap, 0, 0, 210, 80);
} catch (final ExecutionException e) {
Log.e(TAG, e.getMessage());
} catch (final InterruptedException e) {
Log.e(TAG, e.getMessage());
} catch (final NullPointerException e) {
//
}
return null;
}
@Override
protected void onPostExecute(Void dummy) {
if (null != theBitmap) {
//Set image to imageview.
**// I would like to Use Glide to set the image view here Instead of .setImageBitmap function**
holder.mImageView.setImageBitmap(bm);
holder.mImageView.setAdjustViewBounds(true);
holder.mImageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
}
}
}.execute();
回答by Yuriy Kolbasinskiy
You don't need AsyncTaskto load image with Glide. Glide load image asynchronys.
Try to use this code:
您不需要AsyncTask使用 Glide 加载图像。滑动加载图像异步。尝试使用此代码：
Glide.with(mContext)
.load("http://example.com/imageurl")
.asBitmap()
.into(new SimpleTarget<Bitmap>() {
@Override
public void onResourceReady(Bitmap resource, GlideAnimation<? super Bitmap> glideAnimation) {
// you can do something with loaded bitmap here
// .....
holder.mImageView.setImageBitmap(resource);
}
});
