我有一个listview
CompoundDrawable
,复合中的图像drawable
需要从网上加载。 如何将图像从 URL 加载到CompoundDrawable
。我认为我可以从URL获取位图图像将其转换为可绘制对象,然后将其加载到复合可绘制对象中。喜欢这个
public static Drawable drawableFromUrl(String url) throws IOException {
Bitmap x;
HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
connection.connect();
InputStream input = connection.getInputStream();
x = BitmapFactory.decodeStream(input);
return new BitmapDrawable(x);
}
有没有更好的方法? 我可以直接做到这一点,而无需从 URL 获取位图,然后将位图转换为可绘制对象吗?
试试这个
public static Drawable getDrawableFromURL(String url1) {
try {
URL url = new URL(url1);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true);
connection.connect();
InputStream input = connection.getInputStream();
Bitmap myBitmap = BitmapFactory.decodeStream(input);
Drawable d = new BitmapDrawable(getResources(),myBitmap);
return d;
} catch (IOException e) {
e.printStackTrace();
return null;
}
}