A tinder like swipeable card stack component

Min SDK   19
Latest Commit   2017-03-04 00:10:53
License   MIT

Github   https://github.com/wenchaojiang/AndroidSwipeableCardStack

         

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wenchaojiang
Amazon development center, London
London, UK


         

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README

README.md

AndroidSwipeableCardStack

Android Arsenal

Change log:

  • provide option to infinitly swipe in a loop
  • card rotation setting
  • card gravity setting
  • undo animation

Thanks for contributions from: https://github.com/raee https://github.com/rebus007

image

A tinder like swipeable card stack component. Provide "swipe to like" effects. Easy to customize card views.

See youtube demo : https://www.youtube.com/watch?v=YsMnLJeouf8&feature=youtu.be A Demo App is also included in the source.

Installation

Use jitpack

repositories {
   maven { url "https://jitpack.io" }
}

dependencies {
   compile 'com.github.wenchaojiang:AndroidSwipeableCardStack:0.*.*'
}

OR manually

  1. Download released .aar file [Download current release] (https://github.com/wenchaojiang/AndroidSwipeableCardStack/releases/)

  2. put it into your project lib dir, "libs" for example.

  3. put following lines to your gradle.build file

repositories {
    flatDir {
        dirs 'libs'
    }
}

dependencies {
    compile(name:'android-card-stack-0.*.*', ext:'aar')
}

Configuration

Put CardStack in your layout file

<com.wenchao.cardstack.CardStack
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clipChildren="false"
        android:clipToPadding="false"
        android:gravity="center"
        android:padding="10dp"
        app:card_enable_loop="true"
        app:card_enable_rotation="true"
        app:card_gravity="top"
        app:card_margin="10dp"
        app:card_stack_size="4"/>

Create your card view layout file.

Example: card_layout.xml, contain only a TextView

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <TextView
        android:id="@+id/content"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
    />

</LinearLayout>

Implement your own adapter for the card stack. The CardStack will accept ArrayAdapter. The Following example extends a simple ArrayAdapter, overriding getView() to supply your customized card layout

public class CardsDataAdapter extends ArrayAdapter<String> {

    @Override
    public View getView(int position, final View contentView, ViewGroup parent){
        //supply the layout for your card
        TextView v = (TextView)(contentView.findViewById(R.id.content));
        v.setText(getItem(position));
        return contentView;
    }

}

Get the CardStack instance in your activity

  protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my);

        mCardStack = (CardStack)findViewById(R.id.container);

        mCardStack.setContentResource(R.layout.card_content);
        mCardStack.setStackMargin(20);
        
  }

Finally, set the adapter

    mCardAdapter = new CardsDataAdapter(getApplicationContext(),0);
    mCardAdapter.add("test1");
    mCardAdapter.add("test2");
    mCardAdapter.add("test3");
    mCardAdapter.add("test4");
    mCardAdapter.add("test5");
    
    mCardStack.setAdapter(mCardAdapter);

Listening to card stack event

implement CardStack.CardEventListener, and set it as listener mCardStack.setListener(yourListener);

Class YourListener extends CardStack.CardEventListener{
    //implement card event interface
    @Override
    public boolean swipeEnd(int direction, float distance) {
        //if "return true" the dismiss animation will be triggered 
        //if false, the card will move back to stack
        //distance is finger swipe distance in dp
        
        //the direction indicate swipe direction
        //there are four directions
        //  0  |  1
        // ----------
        //  2  |  3
        
        return (distance>300)? true : false;
    }

    @Override
    public boolean swipeStart(int direction, float distance) {
    
        return true;
    }

    @Override
    public boolean swipeContinue(int direction, float distanceX, float distanceY) {
        
        return true;
    }

    @Override
    public void discarded(int id, int direction) {
       //this callback invoked when dismiss animation is finished. 
    }
    
    @Override
    public void topCardTapped() {
         //this callback invoked when a top card is tapped by user. 
    }
}