AKParallax-Android

AKParallax-Android is a Library Project that provides a parallax effect to an imageView in a ScrollView or a ListView.

Sample

The sample application (the source is in the repository) has been published onto Google Play for easy access:

Usage

• Import the app folder as an Android project. The .project included will cause it to have the name Parallax.

ScrollView

In your activity xml

  <net.appkraft.parallax.ParallaxScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res/com.appkraft.parallax_sample"
    android:id="@+id/scrollView1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:overScrollMode="never"
    app:zoomRatio="1.4" >

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="1000dp"
        tools:context=".MainActivity" >

        <RelativeLayout
            android:id="@+id/relativeLayout1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            tools:context=".MainActivity" >

            <ImageView
                android:id="@+id/imageView1"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:src="@drawable/teste" />

            <TextView
                android:id="@+id/textView1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:layout_alignParentLeft="true"
                android:text="Bottom"
                android:textColor="#ffffff"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/textView2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentLeft="true"
                android:layout_alignParentTop="true"
                android:text="Top"
                android:textColor="#ffffff"
                android:textSize="18sp" />
        </RelativeLayout>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_below="@+id/relativeLayout1"
            android:text="@string/hello_world" />
    </RelativeLayout>

</net.appkraft.parallax.ParallaxScrollView>

In your code

Setting the imageView that will do the parallax effect:

  protected void onCreate(Bundle savedInstanceState) {

		parallax.setImageViewToParallax(imageView);

	}

Setting zoom ratio of the parallax :

  protected void onCreate(Bundle savedInstanceState) {

		parallax.setImageViewToParallax(imageView);
		parallax.setViewsBounds(1.3);

	}

ListView

In your activity xml

  <net.appkraft.parallax.ParallaxListView 
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res/com.appkraft.parallax_sample"
    android:id="@+id/listView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:overScrollMode="never"
    app:zoomRatio="1.4" >

</net.appkraft.parallax.ParallaxListView>

In your code

Setting the imageView that will do the parallax effect:

  protected void onCreate(Bundle savedInstanceState) {

		...
		
		image = new ImageView(this);
        	image.setImageResource(R.drawable.teste);
        	AbsListView.LayoutParams params = new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 200);
        	image.setLayoutParams(params);

        	parallax.addHeaderView(image);
        	parallax.setImageViewToParallax(image);

	}

Setting zoom ratio of the parallax :

  protected void onCreate(Bundle savedInstanceState) {
  
  		...
  
		parallax.setViewsBounds(1.3);

	}

License

	The MIT License (MIT)
	
	Copyright (c) 2014 Ygor Barboza Muniz
	
	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.