Picasso gives out of memory when load an image

问题:

I am using Picasso to load images from my server and display them in ImageView.

I observes some crash reports from user's phone where Out of Memory Exception happens when Picasso is trying to load an image into ImageView.

The stack trace as below:

java.lang.OutOfMemoryError at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:596) at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:444) at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:832) at android.content.res.Resources.loadDrawable(Resources.java:2988) at android.content.res.Resources.getDrawable(Resources.java:1558) at android.widget.ImageView.resolveUri(ImageView.java:646) at android.widget.ImageView.setImageResource(ImageView.java:375) at com.squareup.picasso.PicassoDrawable.setPlaceholder(PicassoDrawable.java:62) at com.squareup.picasso.RequestCreator.into(RequestCreator.java:520) at com.squareup.picasso.RequestCreator.into(RequestCreator.java:462) at com.mycompany.myAdapter.getView(MyAdapter.java:102) at android.widget.AbsListView.obtainView(AbsListView.java:2608) at android.widget.GridView.makeAndAddView(GridView.java:1346) 

The Code near MyAdapter.java:102 as below:

@Override     public View getView(int position, View convertView, ViewGroup parent) {      .....Some code .....      Picasso.with(mContext)     .load(url_to_server)     .placeholder(R.drawable.default_placeholder)     .into(holder.imageItem);  // Line 102      .....Some code .....      return convertView;     } 

Is there sth wrong with the way I use this library?

回答1:

To load small images like icons o launchers we can use .setImageResource(image) However, to load big images is better to use Picasso and get the benefit of simplicity and local caching.

It is necesary to setup Picasso properly according to the documentation:

"Be sure to use fit() to resize the image before loading into the ImageView. Otherwise, you will consume extra memory, experience sluggish scrolling, or encounter out of memory issues if you render a lot of pictures".

if (imageUri != null && !imageUri.isEmpty()) {    Picasso.with(context).load(imageUri)   .fit().centerCrop()   .placeholder(R.drawable.user_placeholder)   .error(R.drawable.user_placeholder_error)   .into(imageView); } 

回答2:

Convert Your image to bitmap and load image efficiently

http://developer.android.com/training/displaying-bitmaps/load-bitmap.html and check this url too Strange out of memory issue while loading an image to a Bitmap object

if you are using any delay while loading images(eg: timer) please check it

i hope it will helps you...

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