getting image width and height with picasso library

问题

i'm using picasso library to download and load images into imageView. now i want to know how i can get image width and height before loading them in imageViews ?

i have a listview with an adapter that contains two imageView(one of them is vertical and another is horizontal). depends on image width and height i want to load image into one of the imageviews.

回答1:

You can get Bitmap dimensions only after downloading It - you must use synchronous method call like this:

final Bitmap image = Picasso.with(this).load("http://").get();
int width = image.getWidth();
int height = image.getHeight();

After this you can call again load with same url (It will be fetched from cache):

 Picasso.with(this).load("http://").into(imageView)

Edit: Maybe better way:

 Picasso.with(this).load("http://").into(new Target() {
            @Override
            public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
                int width = bitmap.getWidth();
                int height = bitmap.getHeight();
                imgView.setImageBitmap(bitmap);
            }

            @Override
            public void onBitmapFailed(Drawable errorDrawable) {

            }

            @Override
            public void onPrepareLoad(Drawable placeHolderDrawable) {

            }
        });

回答2:

Work for me.

Picasso.with(context).load(imageLink).into(imageView, new Callback() {
        @Override
        public void onSuccess() {
            Picasso.with(context).load(imageLink).into(new Target() {
                @Override
                public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
                    int width = bitmap.getWidth();
                    int height = bitmap.getHeight();
                    Log.d("ComeHere ", " W : "+ width+" H : "+height);
                }

                @Override
                public void onBitmapFailed(Drawable errorDrawable) {

                }

                @Override
                public void onPrepareLoad(Drawable placeHolderDrawable) {

                }
            });

        }

        @Override
        public void onError() {

        }
    });

来源：https://stackoverflow.com/questions/25522847/getting-image-width-and-height-with-picasso-library

标签

android

image

picasso