How To Use Swipedismissbehavior.ondismisslistener On Recyclerview

I am trying to use the SwipeDismissBehavoir from design support library. I've list items in RecyclerView and swiping an item have to dismiss (like google inbox app) . I've set the

Solution 1:

Here is example how delete row by swipe

MainActivity.java

@OverrideprotectedvoidonCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        finalRecyclerViewrecyclerView= (RecyclerView)findViewById(R.id.recyclerView);

        // init layout manager
        RecyclerView.LayoutManagerlayoutManager=newLinearLayoutManager(this);
       final ArrayList<String> list = newArrayList<String>();
        list.add("Item1");
        list.add("Item2");
        list.add("Item3");
        list.add("Item4");
        list.add("Item5");
        list.add("Item6");

        finalMyAdapteradapter=newMyAdapter(list);
        recyclerView.setLayoutManager(layoutManager);
        recyclerView.setAdapter(adapter);

        ItemTouchHelperswipeToDismissTouchHelper=newItemTouchHelper(newItemTouchHelper.SimpleCallback(
                ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT) {
            @OverridepublicbooleanonMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
                // callback for drag-n-drop, false to skip this featurereturnfalse;
            }

            @OverridepublicvoidonSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
                // callback for swipe to dismiss, removing item from data and adapter

                list.remove(viewHolder.getAdapterPosition());
                adapter.notifyItemRemoved(viewHolder.getAdapterPosition());
            }
        });
        swipeToDismissTouchHelper.attachToRecyclerView(recyclerView);

    }

Adapter

publicclassMyAdapterextendsRecyclerView.Adapter<MyAdapter.MyViewHolder>    {

    ArrayList<String> dataset_;

    publicstaticclassMyViewHolderextendsRecyclerView.ViewHolder{
        public Button mBtn;
        public TextView mTextView2;

        publicMyViewHolder(View v){
            super(v);
            mBtn  = (Button) itemView.findViewById(R.id.delete);
            mTextView2 = (TextView) itemView.findViewById(R.id.textView2);
        }
    }


    publicMyAdapter(ArrayList<String> dataset){
        dataset_ = dataset;
    }

    @Overridepublic MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType){

        Viewv= LayoutInflater.from(parent.getContext()).inflate(R.layout.my_text_view,parent,false);

        MyViewHoldermyViewHolder=newMyViewHolder(v);
        return myViewHolder;
    }

    @OverridepublicvoidonBindViewHolder(MyViewHolder holder,int position){
        holder.mTextView2.setText(dataset_.get(position));
    }

    @OverridepublicintgetItemCount(){
        return dataset_.size();
    }
}

Layout

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:baselineAligned="false"android:orientation="vertical"android:padding="16dp"><TextViewstyle="?android:listSeparatorTextViewStyle"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="@string/heading_dismissable_recycler_view" /><android.support.v7.widget.RecyclerViewandroid:id="@+id/recyclerView"android:layout_width="match_parent"android:layout_height="match_parent"/></LinearLayout>

Item in RecyclerView

<?xml version="1.0" encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="match_parent"><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal"android:layout_width="match_parent"android:layout_height="match_parent"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:textAppearance="?android:attr/textAppearanceMedium"android:text="Medium Text"android:id="@+id/textView2"/><Buttonandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:id="@+id/delete"android:text="Delete"android:layout_marginLeft="150dp"android:visibility="invisible" /></LinearLayout></LinearLayout>

Solution 2:

Tried with single view. I can know the view was dismissed, but I'm wondering how to restore the view like Gmail.

Layout:

<android.support.design.widget.CoordinatorLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/coordinatorLayout"tools:context=".MainActivity"><android.support.v7.widget.CardViewandroid:id="@+id/cardView"android:layout_margin="20dp"android:layout_width="match_parent"android:layout_height="match_parent"><TextViewandroid:text="Haha"android:layout_width="match_parent"android:layout_height="wrap_content"/></android.support.v7.widget.CardView></android.support.design.widget.CoordinatorLayout>

Activity:

publicclassMainActivityextendsAppCompatActivity {

    private CoordinatorLayout coordinatorLayout;
    private CardView cardView;

    @OverrideprotectedvoidonCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        coordinatorLayout = (CoordinatorLayout) findViewById(R.id.coordinatorLayout);
        cardView = (CardView) findViewById(R.id.cardView);

        CoordinatorLayout.LayoutParamsparams= (CoordinatorLayout.LayoutParams) cardView.getLayoutParams();

        final SwipeDismissBehavior<CardView> behavior = newSwipeDismissBehavior();
        behavior.setSwipeDirection(SwipeDismissBehavior.SWIPE_DIRECTION_START_TO_END);
        behavior.setListener(newSwipeDismissBehavior.OnDismissListener() {
            @OverridepublicvoidonDismiss(final View view) {
                Snackbar.make(coordinatorLayout, "Done", Snackbar.LENGTH_LONG)
                        .show();
            }

            @OverridepublicvoidonDragStateChanged(int i) {
            }
        });
        params.setBehavior(behavior);

        cardView.setOnTouchListener(newView.OnTouchListener() {
            @OverridepublicbooleanonTouch(View v, MotionEvent event) {
                return behavior.onTouchEvent(coordinatorLayout, cardView, event);
            }
        });
    }


}

Solution 3:

I have succeeded implementing the support library SwipeDismissBehavior and it actually requires CoordinatorLayout inside of each inflated card view layout. I haven't noticed any performance issues so far, so I assume CoordinatorLayout is not so heavy for the UI. There is probably a better way, but I still haven't found it.

<?xml version="1.0" encoding="utf-8"?><android.support.design.widget.CoordinatorLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="#FF0000"><LinearLayoutandroid:id="@+id/card_content_layout"android:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"android:background="#FFFFFF"android:padding="20dp"><TextViewandroid:id="@+id/card_context_text"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Test text"/></LinearLayout></android.support.design.widget.CoordinatorLayout>

In the constructor of the RecyclerView.ViewHolder implementation class (which is inside the Adapter) I have added:

ViewcardContentLayout= view.findViewById(R.id.card_content_layout);

SwipeDismissBehavior<View> swipeDismissBehavior = newSwipeDismissBehavior<>();
swipeDismissBehavior.setSwipeDirection(SwipeDismissBehavior.SWIPE_DIRECTION_END_TO_START);
swipeDismissBehavior.setListener(newSwipeDismissBehavior.OnDismissListener() {
    @OverridepublicvoidonDismiss(View view) {
        intadapterPosition= getAdapterPosition();
        deleteListener.onDismissGesture(view, adapterPosition);
    }

    @OverridepublicvoidonDragStateChanged(int state) { }
});

CoordinatorLayout.LayoutParamscoordinatorParams= (CoordinatorLayout.LayoutParams) cardContentLayout.getLayoutParams();
coordinatorParams.setBehavior(swipeDismissBehavior);

cardContentLayout.setOnTouchListener(newView.OnTouchListener() {
    @OverridepublicbooleanonTouch(View v, MotionEvent event) {
        return swipeDismissBehavior.onTouchEvent((CoordinatorLayout) itemView, cardContentLayout, event);
    }
});