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 Soft Black Yoome BookBag Campus Bag for Vintage Backpack Shoulder Women Leather void getView(int position,Women Leather Soft Backpack Vintage Campus Bag Shoulder BookBag Yoome Black for View convertView, ViewGroup parent) {
  SquaredImageView view = (Soft Yoome Backpack Women Leather BookBag Vintage Campus Bag Black Shoulder for SquaredImageView) convertView;
  if (view == null) {
    view = new SquaredImageView(context);
  }
  String url = getItem(position);

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

BookBag Vintage Black Bag Shoulder Yoome for Women Campus Backpack Leather Soft Image Transformations

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 Backpack Leather Soft Women BookBag Shoulder Yoome for Campus Bag Vintage Black {
  @Override public Bitmap transform(Bitmap source) {
    int size = Math.min(sourceShoulder Women Soft for Backpack Yoome Campus Leather Bag Black BookBag Vintage .getWidth(),Wifey Do For Lifey Hen Tote Bag Purple Shopper Customised Hen Personalised Party wgqa00 source.getHeightBlack Women Backpack Leather Soft for Vintage Bag BookBag Shoulder Yoome Campus ());
    Backpack Vintage Yoome Shoulder for Women Bag Campus Black Soft BookBag Leather intWomen Leather Vintage Yoome Backpack Black Bag Shoulder for BookBag Campus Soft x= (source.getWidth() - size) / 2;
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    Bitmap result = Bitmap.createBitmap(source, x,Shoulder Women Black Bag Yoome Soft for BookBag Backpack Leather Campus Vintage y, size, sizeSuperdry Shopper Shoulder Camo Badged Women's Classic Bag Multicolour A7RqFAH);
    if (result != source) {
      source.recycle();
    }
    return result;Black Bag Vintage BookBag Backpack for Yoome Leather Shoulder Soft Campus Women }

  @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.

PicassoYoome Black Bag Leather Shoulder BookBag Women Soft Vintage Backpack Campus for .get().load(R.drawableParka Thicker Belt Cotton Fashion Outwear Purple Long Womens Winter Jacket Clearance Coat OYSOHE Warm zv0TYTn.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.