Question

可能重复：
how to load an imageview by url in android?

我有一个图片网址。我想将该图片设置为我的ImageViews背景。请帮忙..

Answer 1

我希望此代码可以帮助您。

public static Bitmap loadBitmap(String url) {
Bitmap bitmap = null;
InputStream in = null;
BufferedOutputStream out = null;

try {
    in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);

    final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
    out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
    copy(in, out);
    out.flush();

    final byte[] data = dataStream.toByteArray();
    BitmapFactory.Options options = new BitmapFactory.Options();
    //options.inSampleSize = 1;

    bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options);
} catch (IOException e) {
    Log.e(TAG, "Could not load Bitmap from: " + url);
} finally {
    closeStream(in);
    closeStream(out);
}

return bitmap;

}

然后使用imageView.setImageBitmap（位图）;

Answer 2

检查此链接How to display image from URL on Android

然后，您可以将setBackgroundDrawable() 与从URL创建的drawable一起使用。

如何从图像URL设置imageView的背景？

2 个答案: