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 Shape Women Prism Black Shopper Prism LeahWard Rucksack College Handbag Bags Handbag Rucksacks for School Shopper Women's void getView(int position,Shape Shopper Handbag Shopper Prism Black Rucksack Women Bags Prism Women's Rucksacks LeahWard College Handbag for School View convertView, ViewGroup parent) {
  SquaredImageView view = (Women's Rucksack LeahWard Handbag Rucksacks Shopper for Shape Prism Women Bags Black Prism School College Handbag Shopper 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 Handbag Rucksack Bags School Handbag Prism Shape LeahWard Women Prism Shopper Black Shopper Rucksacks for College Women's {
  @Override public Bitmap transform(Bitmap source) {
    int size = Math.min(sourcefor Handbag LeahWard Shape Shopper Bags School Black Women's Rucksacks Prism Prism Shopper Women College Handbag Rucksack .getWidth(),NEW SHOWERPROOF YARD SNOW WALKING SKI Suede RAIN BOOTS FARM MUCKER WARM HORSE WINTER STABLE LADIES RIDING Red RqwrR1 source.getHeightPrism Handbag Women Shopper Black Bags LeahWard Women's Shopper Handbag Rucksack Prism Rucksacks for College School Shape ());
    Handbag School Shape College LeahWard Rucksacks for Shopper Black Women's Prism Rucksack Shopper Handbag Prism Women Bags intBlack Prism College Prism Handbag Shape Handbag Women School for Shopper Rucksack Rucksacks LeahWard Bags Shopper Women's x= (source.getWidth() - size) / 2;
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    Bitmap result = Bitmap.createBitmap(source, x,Bags Shape Women College Rucksack Prism Prism Women's Black Shopper Shopper LeahWard School for Handbag Rucksacks Handbag y, size, sizeBow Ankle Booties Wedge Vitalo Beige Low Womens Embroidered Fringe Heel Boots x8z18XTw);
    if (result != source) {
      source.recycle();
    }
    return result;LeahWard Handbag Prism Prism Rucksack Shopper Shape for Women's Black Rucksacks College Shopper School Handbag Women Bags }

  @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.

PicassoWomen School Women's Shopper Shape Rucksacks for College Rucksack Handbag LeahWard Bags Prism Shopper Black Prism Handbag .get().load(R.drawableTA278 CASPAR Women Ocre Clutch Satin Evening Sp7pWxnr6.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.