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https://github.com/faradaj/BlurBehind

[DEPRECATED] Easily have blurred and transparent background effect on your Android views.
https://github.com/faradaj/BlurBehind

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[DEPRECATED] Easily have blurred and transparent background effect on your Android views.

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README 

        
##[DEPRECATED]



## BlurBehind    [![Build Status](https://travis-ci.org/faradaj/BlurBehind.svg?branch=master)](https://travis-ci.org/faradaj/BlurBehind)



Easily have blurred and transparent background effect on your Android views.



Before API level 14 there was a `Window` flag called [`FLAG_BLUR_BEHIND`][1].

It was used for "blurring everything behind a window" and is no longer supported by Android.



BlurBehind provides an easy way to have that effect, with customization, for your window without API level restrictions.



![](images/blur-behind-before.png)

![](images/blur-behind-after.png)



### Usage



Invoke `BlurBehind.getInstance().execute()` method with caller `Activity` and the actual work as a `Runnable`.



```java

dummyButton.setOnClickListener(new View.OnClickListener() {

	@Override

	public void onClick(View v) {



		BlurBehind.getInstance().execute(MainActivity.this, new OnBlurCompleteListener() {

            @Override

            public void onBlurComplete() {

                Intent intent = new Intent(MainActivity.this, BlurredActivity.class);

                intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);



                startActivity(intent);

            }

        });

	}

});

```



And use `BlurBehind.getInstance().setBackground(Activity a)` method on new `View`, which is an `Activity` in sample project:



```java

BlurBehind.getInstance().setBackground(this);

```



You can optionally set `alpha` and `filterColor`:



```java

BlurBehind.getInstance()

    .withAlpha(80)

    .withFilterColor(Color.parseColor("#0075c0")) //or Color.RED

    .setBackground(this);

```

Which will result in this:



![](images/blur-behind-before.png)

![](images/blur-behind-after-alpha-color.png)



### Dependency



- Run `gradle install` on `blur-behind` library project.

- In your `build.gradle`:

```groovy

repositories {

    mavenCentral()

    mavenLocal() //Add local m2 repository of yours

}

dependencies {

    compile 'com.faradaj:blur-behind:[LATEST_RELEASE_VERSION]'

}

```



or



- In your `pom.xml`:

```xml



  com.faradaj

  blur-behind

  [LATEST_RELEASE_VERSION]



```



or you can clone and add `blur-behind` as a library project to yours.



### Credits



- [Mario Klingmann][2], for the original [StackBlur][3] algorithm.

- [Yahel Bouaziz][4], for porting StackBlur to Android.

- [Nicolas Pomepuy][5], for his [demonstration][6].



### License



    The MIT License (MIT)

    

    Copyright (c) 2014 Gokberk Ergun

    

    Permission is hereby granted, free of charge, to any person obtaining a copy

    of this software and associated documentation files (the "Software"), to deal

    in the Software without restriction, including without limitation the rights

    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

    copies of the Software, and to permit persons to whom the Software is

    furnished to do so, subject to the following conditions:

    

    The above copyright notice and this permission notice shall be included in all

    copies or substantial portions of the Software.

    

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

    SOFTWARE.

    

    

  [1]: http://developer.android.com/reference/android/view/WindowManager.LayoutParams.html#FLAG_BLUR_BEHIND

  [2]: http://www.quasimondo.com/

  [3]: http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html

  [4]: http://www.kayenko.com/

  [5]: https://github.com/PomepuyN

  [6]: https://github.com/PomepuyN/BlurEffectForAndroidDesign