DaVinci


Source link: https://github.com/florent37/DaVinci

DaVinci

DaVinci is an image downloading and caching library for Android Wear

Usage

Use DaVinci from your SmartWatch app

DaVinci.with(context).load("/image/0").into(imageView);
 DaVinci.with(context).load("http://i.imgur.com/o3ELrbX.jpg").into(imageView);

Into an imageview

DaVinci.with(context).load("/image/0").into(imageView);

Into a FragmentGridPagerAdapter

@Override public Drawable getBackgroundForRow(final int row) {

  return DaVinci.with(context).load("/image/" + row).into(this, row);
 
}

Into a CallBack

DaVinci.with(context).load("http://i.imgur.com/o3ELrbX.jpg").into(new DaVinci.Callback() {

 @Override

 public void onBitmapLoaded(String path, Bitmap bitmap) {

  
}
 
}
);

By default, the asset name used for the bitmap is "image", you can modify this

DaVinci.with(context).load("/image/0").setImageAssetName("myImage").into(imageView);

Send Bitmaps

In your smartphone service

 @Override
  public void onMessageReceived(MessageEvent messageEvent) {

super.onMessageReceived(messageEvent);

DaVinciDaemon.with(getApplicationContext()).handleMessage(messageEvent);

...
  
}

Preload Bitmaps

Send image to wear

DaVinciDaemon.with(getApplicationContext()).load("http://i.imgur.com/o3ELrbX.jpg").send();

or with "/image/0" path

DaVinciDaemon.with(getApplicationContext()).load("http://i.imgur.com/o3ELrbX.jpg").into("/image/0");

Image Transformation

You can specify custom transformations on your Bitmaps

public class ResizeTransformation implements Transformation {

  private int targetWidth;

public ResizeTransformation(int width) {

this.targetWidth = width;
  
}

@Override
  public Bitmap transform(Bitmap source) {

double aspectRatio = (double) source.getHeight() / (double) source.getWidth();

int targetHeight = (int) (targetWidth * aspectRatio);

Bitmap result = Bitmap.createScaledBitmap(source, targetWidth, targetHeight, false);

if (result != source) {

 // Same bitmap is returned if sizes are the same

 source.recycle();

}

return result;
  
}

@Override
  public String key() {

return "ResizeTransformation"+targetWidth;
  
}
 
}

Pass an instance of this class to the transform method

DaVinci.with(context).load(url).transform(new ResizeTransformation(300)).into(imageView);

Prodvided Transformations :

Blur

DaVinci.with(context).load(url).transform(new BlurTransformation()).into(imageView);

Resizing

DaVinci.with(context).load(url).transform(new ResizeTransformation(maxWidth)).into(imageView);

Download

In your wear module

compile ('com.github.florent37:davinci:1.0.3@aar'){

  transitive = true 
}

In your smartphone module

compile ('com.github.florent37:davincidaemon:1.0.3@aar'){

transitive = true 
}

Don't forget to add WRITE_EXTERNAL_STORAGE in your Wear AndroidManifest.xml

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

TODO

  • Customize bitmap resizing (actually : width=300px)
  • Enabling multiples transformations
  • Apply transformations on Smartphone then send them to Wear

Community

Looking for contributors, feel free to fork !

Wear

If you want to learn wear development : http://tutos-android-france.com/developper-une-application-pour-les-montres-android-wear/.

Dependencies

Changelog

1.0.2

  • Bitmaps are now saved as PNG to preserve transparency

Credits

Author: Florent Champigny www.florentchampigny.com/

Pictures by Logan Bourgouin

License

Copyright 2015 florent37, 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. 

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Topics


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