inno-v / uCrop

Image Cropping Library for Android

Home Page:https://yalantis.com/blog/introducing-ucrop-our-own-image-cropping-library-for-android/

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uCrop - Image Cropping Library for Android

This project aims to provide an ultimate and flexible image cropping experience. Made in [Yalantis] (https://yalantis.com/?utm_source=github)

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Usage

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

Get it on Google Play

  1. Include the library as local library project.

    compile 'com.yalantis:ucrop:1.0.1'

  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);
        }
    }

Customization

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)

Compatibility

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

Changelog

Version: 1.0

  • Initial Build

Let us know!

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

License

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.

About

Image Cropping Library for Android

https://yalantis.com/blog/introducing-ucrop-our-own-image-cropping-library-for-android/


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