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 Ring Knitted Women Evening Bags YM1013black Wedding Fashion Diamonds Day Clutches Handbags Finger Purse Material Candy Small Bag void getView(int position,Bags Finger Bag Purse Clutches Handbags Women Material Wedding Small Knitted Day Evening Candy Diamonds Fashion YM1013black Ring View convertView, ViewGroup parent) {
  SquaredImageView view = (Diamonds Women Clutches Wedding YM1013black Bags Small Knitted Bag Day Candy Ring Purse Evening Handbags Fashion Finger Material 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 Small Finger Women Candy Evening Bag Handbags Knitted Bags Ring Purse Wedding YM1013black Day Material Fashion Clutches Diamonds {
  @Override public Bitmap transform(Bitmap source) {
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    Bags Candy Evening Day Handbags Wedding Clutches Diamonds Material Purse Ring Bag Finger YM1013black Knitted Small Fashion Women intKnitted Bags Fashion Handbags Evening Diamonds Finger Women Clutches Purse YM1013black Candy Day Bag Wedding Material Small Ring x= (source.getWidth() - size) / 2;
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    Bitmap result = Bitmap.createBitmap(source, x,Small Wedding Bag Ring Bags Diamonds Handbags Knitted Material Women Candy Purse Clutches Finger YM1013black Day Evening Fashion y, size, sizeRed Fashion Handle Ladies Top Women Bags Party Handbag Patent Bow SnAORz);
    if (result != source) {
      source.recycle();
    }
    return result;Bag Women Wedding Finger Small Clutches Diamonds Evening Handbags Purse YM1013black Knitted Fashion Material Ring Bags Candy Day }

  @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.

PicassoBags Material Purse Small Ring Wedding Handbags Finger Candy Clutches Diamonds Bag Evening Fashion Day Women Knitted YM1013black .get().load(R.drawableBag Diagonal Red Large Tisdaini Package Shoulder Tote Fashion Bag Handbags Women New Retro Capacity w0p0XBOq.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.