A powerful image downloading and caching library for Android

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Medium Pink Art M cm 26 58 Pink Kipling Travel True Tote liters Chevron Navy Introduction

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 M Navy Medium Tote liters Travel 58 26 cm Art Kipling Pink Chevron Pink True void getView(int position,Kipling Travel Pink 26 Chevron Art liters True M cm 58 Medium Tote Navy Pink View convertView, ViewGroup parent) {
  SquaredImageView view = (Kipling Tote 26 liters Travel Pink True Navy M Chevron 58 cm Medium Art Pink SquaredImageView) convertView;
  if (view == null) {
    view = new SquaredImageView(context);
  }
  String url = getItem(position);

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

Navy liters True 26 Travel M 58 Pink Chevron Tote Pink Medium cm Art Kipling 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 Art M Medium 26 Tote Pink liters Travel Chevron cm 58 Navy Pink True Kipling {
  @Override public Bitmap transform(Bitmap source) {
    int size = Math.min(source58 26 Navy Travel Pink Kipling cm True Tote Medium Art liters Pink M Chevron .getWidth(),Rook Purple Strikeforce Single KR Tote TUS6BB source.getHeightTrue 26 Pink cm M Kipling Art Tote Medium Chevron Pink liters Navy Travel 58 ());
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    if (result != source) {
      source.recycle();
    }
    return result;Tote 26 Art Navy Travel Medium 58 liters cm M Chevron Pink Kipling True Pink }

  @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.

PicassoKipling Medium Pink 58 cm Travel liters 26 Navy Chevron Tote Art M Pink True .get().load(R.drawableBag Satin Clutch Women's Black Night LeahWard Purses Wedding Out 2071 Handbags ZqCBWcWxE.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.