For a working implementation, please have a look at the Sample Project - sample

1. Include the library as local library project.

   compile 'com.yalantis:ucrop:1.0.0'

2. Add UCropActivity into your AndroidManifest.xml

   <activity
       android:name="com.yalantis.ucrop.UCropActivity"
       android:screenOrientation="portrait"/>
   

3. The uCrop configuration is created using the builder pattern.

   UCrop.of(sourceUri, destinationUri)
       .withAspectRatio(16, 9)
       .withMaxResultSize(maxWidth, maxHeight)
       .start(context);

4. Override onActivityResult method and handle uCrop result.

   @Override
   public void onActivityResult(int requestCode, int resultCode, Intent data) {
       if (resultCode == RESULT_OK && requestCode == UCrop.REQUEST_CROP) {
           final Uri resultUri = UCrop.getOutput(data);
       } else if (resultCode == UCrop.RESULT_ERROR) {
           final Throwable cropError = UCrop.getError(data);
       }
   }

If you want to let your users choose crop ratio dynamically, just do not call withAspectRatio(x, y).

uCrop builder class has method withOptions(UCrop.Options option) which extends library configurations.

Currently you can change:

• image compression format (e.g. PNG, JPEG, WEBP), compression
• image compression quality [0 - 100]. PNG which is lossless, will ignore the quality setting.
• whether all gestures are enabled simultaneously
• maximum size for Bitmap that is decoded from source Uri and used within crop view. If you want to override default behaviour.
• more coming... (e.g. color pallet)

• Library - Android GINGERBREAD 2.3+
• Sample - Android ICS 4.0+

• Initial Build

We’d be really happy if you sent us links to your projects where you use our component. Just send an email to [email protected] And do let us know if you have any questions or suggestion regarding the library.

Copyright 2016, Yalantis

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.