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itemtouchhelper-extension

This library add something for swipe item settling, recover base on the Itemtouchhelper.

This used in the repo code-reader

Download Sample

Screenshot

item swipe with spring

item swipe with no spring

item swipe with recycler view width

Installation

dependencies {
    compile 'com.loopeer.library:itemtouchhelperextension:1.0.6'
}

Usages

mCallback = new ItemTouchHelperCallback();
mItemTouchHelper = new ItemTouchHelperExtension(mCallback);
mItemTouchHelper.attachToRecyclerView(mRecyclerView);

ItemTouchHelperCallback just set as Itemtouchhelper. Set your swipe content view translationX by moving in method onChildDraw

public class ItemTouchHelperCallback extends ItemTouchHelperExtension.Callback {

    @Override
    public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
        return makeMovementFlags(0, ItemTouchHelper.START);
    }

    @Override
    public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
        return false;
    }
    
    ...

    @Override
    public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {
        MainRecyclerAdapter.ItemBaseViewHolder holder = (MainRecyclerAdapter.ItemBaseViewHolder) viewHolder;
        holder.mViewContent.setTranslationX(dX);
    }
}

At last you can let your viewholder implements Extension to set swipe settling width

@Override
public float getActionWidth() {
    return mActionContainer.getWidth();
}

This will use whole recyclerview width when you do not add the width

Additional Drag Feature

If you want to add drag item feature.You just do super.onChildDraw in method onChildDraw of the class ItemTouchHelperCallback. Just like bottom:

  @Override
    public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {
        if (dY != 0 && dX == 0) super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
       ...
    }

Click Action Button To Close Opened

If you want to close item after click action btn in the swipe item. You show add

    mItemTouchHelperExtension.closeOpened();

License

Copyright 2016 Loopeer

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.