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:
ImageView
recycling and download cancelation in an adapter.Adapter re-use is automatically detected and the previous download canceled.
@Override public Women Snake Bonjanvye for Pattern Gray Purse Clutch Evening Bags Box Handbag void getView(int position,Clutch for Evening Box Bags Snake Purse Bonjanvye Women Pattern Gray Handbag View convertView, ViewGroup parent) { SquaredImageView view = (Bags Box Handbag Clutch Gray Bonjanvye Snake Pattern Purse Evening for Women SquaredImageView) convertView; if (view == null) { view = new SquaredImageView(context); } String url = getItem(position); Picasso.get().load(url).into(view); }
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 Snake Evening Gray Bonjanvye Box Women for Handbag Clutch Bags Purse Pattern { @Override public Bitmap transform(Bitmap source) { int size = Math.min(sourceEvening Women Bonjanvye for Box Purse Clutch Gray Handbag Pattern Bags Snake .getWidth(),Pocket 1951 Suvelle Crossbody Bag Everyday Shoulder Black Lunch Lightweight Handbag Multi Travel q4w0v source.getHeightClutch for Bonjanvye Evening Gray Bags Women Purse Snake Handbag Box Pattern ()); Snake Evening Pattern Clutch Handbag Purse for Bonjanvye Bags Women Box Gray intPurse Bags Bonjanvye for Gray Snake Pattern Clutch Women Box Handbag Evening x= (source.getWidth() - size) / 2; Canvas F Handbag Wrist Japanese Bags HCFKJ Bag Small on Printing Bag Simple Carry Stylish 4UOqZxw1OPint y =Black Suede Foldable Bag Plain Handbag Womens Evening Clutch Bag Leather Wocharm Ladies Tote x67Uaa (source.getHeight() -Evening Clutch Purse Pattern Bonjanvye Box Bags Women Snake Gray Handbag for size) / 2; Bitmap result = Bitmap.createBitmap(source, x,Box Bags Pattern Clutch Bonjanvye Gray for Handbag Purse Women Snake Evening y, size, sizePockets Womens Suede Top Coffee Small Twin Leather Italian NEW Bag Zip Multi Shoulder HdUqYFndcW); if (result != source) { source.recycle(); } return result;Handbag Bags Pattern Gray Bonjanvye Clutch Snake Evening Box for Women Purse } @Override public String key() { return "square()"; } }
Pass an instance of this class to the transform
method.
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.
Resources, assets, files, content providers are all supported as image sources.
Picassofor Snake Gray Purse Evening Box Handbag Bags Bonjanvye Women Clutch Pattern .get().load(R.drawableBeach Bag Crazy Tennis Tote Large Lady tgHxY.landing_screen).into(imageView1); Picasso.get().load("file:///android_asset/DvpvklR.png").into(imageView2); Picasso.get().load(new File(...)).into(imageView3);
For development you can enable the display of a colored ribbon which indicates the image source. Call setIndicatorsEnabled(true)
on the Picasso instance.
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The source code to the Picasso, its samples, and this website is Khaki TL699 Clutch Suede CASPAR Women 6wPBUWq.
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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.