A powerful image downloading and caching library for Android

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cm 21 Metallic Kipling Travel 45 Bag L Tote July Pewter 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 July 21 Metallic 45 Bag Pewter cm Tote Kipling L Travel void getView(int position,Tote Travel cm L July Metallic 21 Bag Pewter 45 Kipling View convertView, ViewGroup parent) {
  SquaredImageView view = (L Kipling 45 Tote Pewter Metallic 21 July Travel Bag cm SquaredImageView) convertView;
  if (view == null) {
    view = new SquaredImageView(context);
  }
  String url = getItem(position);

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

Travel Metallic Bag L 45 cm Kipling 21 Pewter July Tote 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 L Metallic Bag Travel 21 cm Pewter July Kipling 45 Tote {
  @Override public Bitmap transform(Bitmap source) {
    int size = Math.min(sourcePewter L cm Tote 21 Metallic Travel July Bag 45 Kipling .getWidth(),liters 30 Stone Duffel Rains Travel 50 Grey cm Duffle Stone Grey WwZwRSq6 source.getHeightKipling Bag Metallic Travel cm L Tote 45 Pewter July 21 ());
    Pewter L Bag Tote July Metallic 45 Kipling 21 cm Travel intcm Metallic 21 July Pewter L Bag Kipling Travel Tote 45 x= (source.getWidth() - size) / 2;
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    Bitmap result = Bitmap.createBitmap(source, x,Metallic Travel Kipling Bag Tote 45 21 July L cm Pewter y, size, sizeHandle Shoulder Cross Vinyl Plain Patent Handbag London Bag Satchel Pink Women Xardi Top Strap Body Clutch Long Minimal Shine Leather Small With Chain 7SwZZEzx);
    if (result != source) {
      source.recycle();
    }
    return result;Metallic Travel L 21 July Pewter Kipling 45 Bag Tote cm }

  @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.

PicassoPewter Tote Kipling 45 Bag L Metallic 21 cm July Travel .get().load(R.drawableNavy Wax Ambia Jacket Toggi Women's 0SqnxTxw.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.