Using high definition pictures in android

Question

I'm having some trouble when uploading high definition pictures in my app. I have a Grid View and when I add the photo the app crashes stating that its a memory problem.

One solution I did was to decrease the size of the image through a website (https://www.befunky.com/create/resize-image/) but the image gets blurie. Also used a solution that is present on the official Android developers' website (https://developer.android.com/topic/performance/graphics/load-bitmap.html), unsuccessfully (the app gets too slow and I have the previous result).

I've seen many applications where this is not a issue and I want to learn the way they do it correctly.

Answer 1

Try Picasso, it can load an image into your imageView from your drawable (or url), and its fit() method allows you to reduce the image to the lowest possible resolution, without affecting quality.

Basically, it measures the dimensions of the target ImageView and uses resize() to reduce the image size to the dimensions of your ImageView:

High quality picture in drawable folder:

Picasso.with(context)
       .load(R.drawable.image)
       .fit()
       .into(imageView);

High quality picture from a url:

Picasso.with(context)
       .load("www.url.com/image.jpg")
       .fit()
       .into(imageView);

You can find more details on how to use fit, resizing and scaling with Picasso here.