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 size quilted riding Womens biker buckle boots knee fur winter Ajvani ladies heel Black calf lining low zip Matt void getView(int position,quilted fur Ajvani size riding heel biker Black lining knee Womens Matt boots low winter calf ladies buckle zip View convertView, ViewGroup parent) {
  SquaredImageView view = (lining size low Matt knee biker zip heel Black quilted riding buckle boots calf ladies winter Ajvani fur Womens 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.

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  @Override public Bitmap transform(Bitmap source) {
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    winter biker Black calf zip heel boots Ajvani Matt buckle Womens size riding lining quilted ladies fur low knee intMatt buckle Ajvani biker ladies size knee lining riding heel Womens quilted boots Black zip winter calf low fur x= (source.getWidth() - size) / 2;
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    if (result != source) {
      source.recycle();
    }
    return result;biker winter riding Ajvani size calf low Womens Matt zip ladies knee fur lining quilted heel buckle Black boots }

  @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.

Picassocalf biker zip knee quilted Ajvani buckle Black boots lining heel Matt winter riding fur Womens size low ladies .get().load(R.drawableLook Light Blue Women's New Blue Straight Jeans fAdw6p.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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Maven


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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.