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# CircularImageView | ||
A simple library to round your image by using this advance ImageView | ||
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It uses a BitmapShader and **does not**: | ||
* create a copy of the original bitmap | ||
* use a clipPath (which is neither hardware accelerated nor anti-aliased) | ||
* use setXfermode to clip the bitmap (which means drawing twice to the canvas) | ||
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As this is just a custom ImageView and not a custom Drawable or a combination of both, it can be used with all kinds of drawables, i.e. a PicassoDrawable from [Picasso](https://github.com/square/picasso) or other non-standard drawables (needs some testing though). | ||
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![CircularImageView](https://github.com/MicroProgramer/CircularImageView/blob/master/screenshot.jpg) | ||
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Step 1. Add it in your root build.gradle at the end of repositories: | ||
-------------------------------------------------------------------- | ||
``` | ||
allprojects { | ||
repositories { | ||
... | ||
maven { url 'https://www.jitpack.io' } | ||
} | ||
} | ||
``` | ||
Step 2. Add the dependency: | ||
--------------------------- | ||
``` | ||
dependencies { | ||
... | ||
implementation 'com.github.MicroProgramer:CircularImageView:1.0.1' | ||
} | ||
``` | ||
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Usage | ||
----- | ||
```xml | ||
<com.microprogramer.library.CircularImageView | ||
xmlns:app="http://schemas.android.com/apk/res-auto" | ||
android:id="@+id/profile_image" | ||
android:layout_width="96dp" | ||
android:layout_height="96dp" | ||
android:src="@drawable/profile" | ||
app:civ_border_width="2dp" | ||
app:civ_border_color="#FF000000"/> | ||
``` | ||
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Limitations | ||
----------- | ||
* The ScaleType is always CENTER_CROP and you'll get an exception if you try to change it. This is (currently) by design as it's perfectly fine for profile images. | ||
* Enabling `adjustViewBounds` is not supported as this requires an unsupported ScaleType | ||
* If you use an image loading library like Picasso or Glide, you need to disable their fade animations to avoid messed up images. For Picasso use the `noFade()` option, for Glide use `dontAnimate()`. If you want to keep the fadeIn animation, you have to fetch the image into a `Target` and apply a custom animation yourself when receiving the `Bitmap`. | ||
* Using a `TransitionDrawable` with `CircularImageView` doesn't work properly and leads to messed up images. | ||
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FAQ | ||
--- | ||
**How can I use a `VectorDrawable` with `CircularImageView`?** | ||
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Short answer: you shouldn't. Using a `VectorDrawable` with `CircularImageView` is very inefficient. You should modify your vectors to be in a circular shape and use them with a regular ImageView instead. | ||
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**Why doesn't `CircularImageView` extend `AppCompatImageView`?** | ||
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Extending `AppCompatImageView` would require adding a runtime dependency for the support library without any real benefit. | ||
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License | ||
------- | ||
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Copyright 2014 - 2021 MicroProgramer | ||
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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 | ||
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http://www.apache.org/licenses/LICENSE-2.0 | ||
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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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