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StretchTopViewExample

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This is an Android Tinder like Stretch Top ScrollView custom View!

// repository documentation

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# Tinder like ANDROID stretch top ScrollView

or just

## Pull to zoom:

This is a **Tinder** like **android Stretch Top ScrollView** / **pull to zoom** custom View..
The Examples show you how can you use this type of view

## Gifs:

![Alt Text](http://x68.imgup.net/gif1a0b0.gif) ![Alt Text](http://q01.imgup.net/gif2dfbb.gif)

## Usage for a top ImageView in xml:

```java
<?xml version="1.0" encoding="utf-8"?>
<hu.lacroix82.stretchtopviewlibrary.StretchTopScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/stretchTopView"
    >

</LinearLayout>

</hu.lacroix82.stretchtopviewlibrary.StretchTopScrollView>
```

## Usage for a top ViewPager in xml:

```java
<?xml version="1.0" encoding="utf-8"?>
<hu.lacroix82.stretchtopviewlibrary.StretchTopScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/stretchTopView"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

<android.support.v4.view.ViewPager
                android:layout_width="match_parent"
                android:layout_height="match_parent" />

<com.viewpagerindicator.CirclePageIndicator
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center|bottom"
                android:layout_marginBottom="20dp"
                android:id="@+id/indicator"
                />

</FrameLayout>

</LinearLayout>

</hu.lacroix82.stretchtopviewlibrary.StretchTopScrollView>
```

## after just use in code:

```java
        stretchTopView.setFactor(1.7f);

stretchTopView.setChangeListener(new StretchTopScrollView.onOverScrollChanged() {
            @Override
            public void onChanged(float factor) {
                descriptionTextView.setAlpha(factor);
            }
        });

```

**.setFactor(float v)** : a float factor for the stretch, between 1.0f and maybe 2.0f, optional, default is 1.6f

**.setChangeListener(...)** : a simple callback that can return the animated factor in a float : 0-100%, between 0f and 1f
 
 
## Author:

**created** by Kozári László

## License:

Licensed under the Apache License, Version 2.0 (the "License")

StretchTopViewExample

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