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AndroidParallax

★ 169 Open GitHub ↗

Parallax on Android in the simplest way

// repository documentation

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# AndroidParallax

Parallax on Android in the simplest way

[![Video](http://i.giphy.com/3o85xJJNrvTdxHXd9C.gif)](https://youtu.be/0b3Nr5kW-Vw)

Download
--------

```groovy
compile ('com.github.florent37:androidparallax:1.0.1@aar'){
        transitive=true
}
```

Usage
--------

Simply replace your ScrollView with a **com.github.florent37.parallax.ScrollView**

Then add a **parallax=FLOAT_VALUE** into your view's **tag**

```xml
<com.github.florent37.parallax.ScrollView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    >

<ImageView
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:scaleType="centerCrop"
        android:src="@drawable/background"

android:tag="parallax=0.3" />

<TextView
        style="@style/MyTitle"
        android:layout_width="match_parent"
        android:layout_height="160dp"
        android:gravity="center"
        android:text="My awesome title"

android:tag="parallax=0.5" />

</com.github.florent37.parallax.ScrollView>
```

And no additionnal lines into the activity !

```java
public class MainActivity extends AppCompatActivity {

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

}
```

ParallaxView
--------

If you don't want to play with the **android:tag** attributes, then you cas simple surround your view with a ParallaxView.

A ParallaxView can move vertically of horizontally
Parallax attributes defines a parallax factor for this view

- parallaxVertical < 0 : the view will move slower than the scroll
- parallaxVertical > 0 : the view will move faster than the scroll

```xml
<com.github.florent37.parallax.ParallaxView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

app:parallaxVertical="1.1"

</com.github.florent37.parallax.ScrollView>
```

Horizontal translation

- parallaxHorizontal < 0 : the view will move to the right
- parallaxHorizontal > 0 : the view will move to the left

```xml
<com.github.florent37.parallax.ParallaxView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

app:parallaxHorizontal="1.1"

</com.github.florent37.parallax.ScrollView>
```

TODO
--------

- Add RecyclerView Parallax
- Add fading / parallax effect on a toolbar

Community
--------

Looking for contributors, feel free to fork !

Credits
-------

Author: Florent Champigny

License
--------

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.

AndroidParallax

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