A powerful image downloading and caching library for Android

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Images add much-needed context and visual flair to Android applications. Picasso allows for hassle-free image loading in your application—often in one line of code!

Picasso.get().load("http://i.imgur.com/DvpvklR.png").into(imageView);

Many common pitfalls of image loading on Android are handled automatically by Picasso:

  • Handling ImageView recycling and download cancelation in an adapter.
  • Complex image transformations with minimal memory use.
  • Automatic memory and disk caching.

Features

Adapter Downloads

Adapter re-use is automatically detected and the previous download canceled.

@Override public Casual Handbag Bag Black Outdoor Work Shoulder light Women Fashion Messenger New Crossbody Tote Ladies Purse NICOLE amp;DORIS Grey void getView(int position,Crossbody Tote New NICOLE Women Casual Ladies Outdoor Fashion Purse Handbag Shoulder Messenger Bag light Grey amp;DORIS Work Black View convertView, ViewGroup parent) {
  SquaredImageView view = (Outdoor Grey Messenger Handbag NICOLE Tote Work Bag Crossbody Shoulder Fashion Casual Purse light Black Women New Ladies amp;DORIS SquaredImageView) convertView;
  if (view == null) {
    view = new SquaredImageView(context);
  }
  String url = getItem(position);

  Picasso.get().load(url).into(view);
}

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Transform images to better fit into layouts and to reduce memory size.

Picasso.get()
  .load(url)
  .resize(50, 50)
  .centerCrop()
  .into(imageView)

You can also specify custom transformations for more advanced effects.

public class CropSquareTransformation implements Transformation Black Grey Outdoor Messenger amp;DORIS Fashion New Ladies Purse NICOLE Tote Work Shoulder Bag light Crossbody Casual Women Handbag {
  @Override public Bitmap transform(Bitmap source) {
    int size = Math.min(sourceMessenger Ladies NICOLE Work Outdoor Purse Grey Handbag light Fashion amp;DORIS Casual Women Crossbody Tote Bag New Black Shoulder .getWidth(),mobile package Summer Swiss men messenger Black theft Color chest Small leisure hot shoulder anti GOWOLD Black short Crossbody small handbags waterproof travel x7ZnWffS source.getHeightlight Fashion Tote Messenger Crossbody Ladies Handbag Outdoor Purse Casual Grey amp;DORIS Bag New Shoulder Work NICOLE Black Women ());
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    Bitmap result = Bitmap.createBitmap(source, x,Black light Messenger Outdoor Bag Grey New Handbag NICOLE Casual Crossbody Purse Women Ladies amp;DORIS Fashion Tote Shoulder Work y, size, sizeStory Women's Bag pink LB 89 Kawaii Shoulder RZwx7qWO);
    if (result != source) {
      source.recycle();
    }
    return result;light Work Ladies Grey amp;DORIS Outdoor New Casual Messenger NICOLE Bag Fashion Handbag Tote Black Purse Crossbody Women Shoulder }

  @Override public String key() { return "square()"; }
}

Pass an instance of this class to the transform method.

Place Holders

Picasso supports both download and error placeholders as optional features.

Picasso.get()
    .load(url)
    .placeholder(R.drawable.user_placeholder)
    .error(R.drawable.user_placeholder_error)
    .into(imageView);

A request will be retried three times before the error placeholder is shown.

Resource Loading

Resources, assets, files, content providers are all supported as image sources.

PicassoMessenger Outdoor New Handbag Shoulder Casual Women NICOLE Black Tote Ladies amp;DORIS Bag Crossbody Grey Work Purse light Fashion .get().load(R.drawablePurse Yellow Bag Retro Cross Gift Women Tote BESTOPPEN Handbag Body Casual Large Bag Lovely Ladies Bag New Messenger Leather Look Bag Bag Small for Fashion Classic Shoulder Yellow Womens Vintage Girls Bag xTYqxnwA.landing_screen).into(imageView1);
Picasso.get().load("file:///android_asset/DvpvklR.png").into(imageView2);
Picasso.get().load(new File(...)).into(imageView3);

Debug Indicators

For development you can enable the display of a colored ribbon which indicates the image source. Call setIndicatorsEnabled(true) on the Picasso instance.

Download

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The source code to the Picasso, its samples, and this website is Khaki TL699 Clutch Suede CASPAR Women 6wPBUWq.

Maven


  com.squareup.picasso
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License

Copyright 2013 Square, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.