Examples with Adapter android.support.v7.widget.RecyclerView.Adapter used on opensource projects

Example 11 with Adapter

use of android.support.v7.widget.RecyclerView.Adapter in project FastAdapter by mikepenz.

the class EndlessScrollListActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    findViewById(android.R.id.content).setSystemUiVisibility(findViewById(android.R.id.content).getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sample);
    // Handle Toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    //style our ui
    new MaterializeBuilder().withActivity(this).build();
    //create our FastAdapter which will manage everything
    fastItemAdapter = new FastItemAdapter<>();
    fastItemAdapter.withSelectable(true);
    //create our FooterAdapter which will manage the progress items
    footerAdapter = new FooterAdapter<>();
    //configure our fastAdapter
    fastItemAdapter.withOnClickListener(new FastAdapter.OnClickListener<SimpleItem>() {

        @Override
        public boolean onClick(View v, IAdapter<SimpleItem> adapter, SimpleItem item, int position) {
            Toast.makeText(v.getContext(), (item).name.getText(v.getContext()), Toast.LENGTH_LONG).show();
            return false;
        }
    });
    //configure the itemAdapter
    fastItemAdapter.withFilterPredicate(new IItemAdapter.Predicate<SimpleItem>() {

        @Override
        public boolean filter(SimpleItem item, CharSequence constraint) {
            //return false to keep it
            return !item.name.getText().toLowerCase().contains(constraint.toString().toLowerCase());
        }
    });
    fastItemAdapter.getItemAdapter().withItemFilterListener(this);
    //get our recyclerView and do basic setup
    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.rv);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    recyclerView.setItemAnimator(new DefaultItemAnimator());
    recyclerView.setAdapter(footerAdapter.wrap(fastItemAdapter));
    recyclerView.addOnScrollListener(new EndlessRecyclerOnScrollListener(footerAdapter) {

        @Override
        public void onLoadMore(final int currentPage) {
            footerAdapter.clear();
            footerAdapter.add(new ProgressItem().withEnabled(false));
            //simulate networking (2 seconds)
            Handler handler = new Handler();
            handler.postDelayed(new Runnable() {

                @Override
                public void run() {
                    footerAdapter.clear();
                    for (int i = 1; i < 16; i++) {
                        fastItemAdapter.add(fastItemAdapter.getAdapterItemCount(), new SimpleItem().withName("Item " + i + " Page " + currentPage));
                    }
                }
            }, 2000);
        }
    });
    //fill with some sample data (load the first page here)
    List<SimpleItem> items = new ArrayList<>();
    for (int i = 1; i < 16; i++) {
        items.add(new SimpleItem().withName("Item " + i + " Page " + 1));
    }
    fastItemAdapter.add(items);
    //add drag and drop for item
    touchCallback = new SimpleDragCallback(this);
    // Create ItemTouchHelper and pass with parameter the SimpleDragCallback
    touchHelper = new ItemTouchHelper(touchCallback);
    // Attach ItemTouchHelper to RecyclerView
    touchHelper.attachToRecyclerView(recyclerView);
    //restore selections (this has to be done after the items were added
    fastItemAdapter.withSavedInstanceState(savedInstanceState);
    //set the back arrow in the toolbar
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(false);
}

Example 12 with Adapter

use of android.support.v7.widget.RecyclerView.Adapter in project FastAdapter by mikepenz.

the class ExpandableMultiselectDeleteSampleActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    findViewById(android.R.id.content).setSystemUiVisibility(findViewById(android.R.id.content).getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
    //as we use an icon from Android-Iconics via xml we add the IconicsLayoutInflater
    //https://github.com/mikepenz/Android-Iconics
    LayoutInflaterCompat.setFactory(getLayoutInflater(), new IconicsLayoutInflater(getDelegate()));
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sample);
    // get RecyclerView
    final RecyclerView rv = (RecyclerView) findViewById(R.id.rv);
    // Handle Toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle(R.string.sample_collapsible);
    //style our ui
    new MaterializeBuilder().withActivity(this).build();
    //create our FastAdapter
    fastItemAdapter = new FastItemAdapter<>();
    fastItemAdapter.withPositionBasedStateManagement(false).withSelectable(true).withMultiSelect(true).withSelectOnLongClick(true).withOnPreClickListener(new FastAdapter.OnClickListener<IItem>() {

        @Override
        public boolean onClick(View v, IAdapter<IItem> adapter, IItem item, int position) {
            //we handle the default onClick behavior for the actionMode. This will return null if it didn't do anything and you can handle a normal onClick
            Boolean res = mActionModeHelper.onClick(ExpandableMultiselectDeleteSampleActivity.this, item);
            // so that the click listener is not fired
            if (res != null && !res)
                return true;
            return res != null ? res : false;
        }
    }).withOnClickListener(new FastAdapter.OnClickListener<IItem>() {

        @Override
        public boolean onClick(View v, IAdapter<IItem> adapter, IItem item, int position) {
            // check if the actionMode consumes the click. This returns true, if it does, false if not
            if (!mActionModeHelper.isActive())
                Toast.makeText(ExpandableMultiselectDeleteSampleActivity.this, ((SimpleSubItem) item).name + " clicked!", Toast.LENGTH_SHORT).show();
            //                        else
            //                            mFastAdapter.notifyItemChanged(position); // im Bsp. ist das nicht nötig, k.A. warum ich das machen muss!
            mRangeSelectorHelper.onClick();
            return false;
        }
    }).withOnPreLongClickListener(new FastAdapter.OnLongClickListener<IItem>() {

        @Override
        public boolean onLongClick(View v, IAdapter<IItem> adapter, IItem item, int position) {
            boolean actionModeWasActive = mActionModeHelper.isActive();
            ActionMode actionMode = mActionModeHelper.onLongClick((AppCompatActivity) ExpandableMultiselectDeleteSampleActivity.this, position);
            mRangeSelectorHelper.onLongClick(position);
            if (actionMode != null) {
                //we want color our CAB
                ExpandableMultiselectDeleteSampleActivity.this.findViewById(R.id.action_mode_bar).setBackgroundColor(UIUtils.getThemeColorFromAttrOrRes(ExpandableMultiselectDeleteSampleActivity.this, R.attr.colorPrimary, R.color.material_drawer_primary));
                // start the drag selection
                mDragSelectTouchListener.startDragSelection(position);
            }
            //if we have no actionMode we do not consume the event
            return actionMode != null && !actionModeWasActive;
        }
    });
    // provide a custom title provider that even shows the count of sub items
    mActionModeHelper = new ActionModeHelper(fastItemAdapter, R.menu.cab, new ActionBarCallBack()).withTitleProvider(new ActionModeHelper.ActionModeTitleProvider() {

        @Override
        public String getTitle(int selected) {
            return selected + "/" + SubItemUtil.countItems(fastItemAdapter.getItemAdapter(), false);
        }
    }).withSupportSubItems(true);
    // this will take care of selecting range of items via long press on the first and afterwards on the last item
    mRangeSelectorHelper = new RangeSelectorHelper(fastItemAdapter).withSavedInstanceState(savedInstanceState).withActionModeHelper(mActionModeHelper);
    // setup the drag select listener and add it to the RecyclerView
    mDragSelectTouchListener = new DragSelectTouchListener().withSelectListener(new DragSelectTouchListener.OnDragSelectListener() {

        @Override
        public void onSelectChange(int start, int end, boolean isSelected) {
            mRangeSelectorHelper.selectRange(start, end, isSelected, true);
            // we handled the long press, so we reset the range selector
            mRangeSelectorHelper.reset();
        }
    });
    rv.addOnItemTouchListener(mDragSelectTouchListener);
    // do basic RecyclerView setup
    rv.setLayoutManager(new LinearLayoutManager(this));
    rv.setItemAnimator(new SlideDownAlphaAnimator());
    rv.setAdapter(fastItemAdapter);
    //fill with some sample data
    List<IItem> items = new ArrayList<>();
    for (int i = 0; i < 20; i++) {
        if (i % 2 == 0) {
            final HeaderSelectionItem expandableItem = new HeaderSelectionItem();
            expandableItem.withSubSelectionProvider(new HeaderSelectionItem.ISubSelectionProvider() {

                @Override
                public int getSelectedSubItems() {
                    return SubItemUtil.countSelectedSubItems(fastItemAdapter, expandableItem);
                }
            }).withName("Test " + (i + 1)).withDescription("ID: " + (i + 1)).withIdentifier(i + 1);
            //.withIsExpanded(true) don't use this in such a setup, use adapter.expand() to expand all items instead
            //add subitems so we can showcase the collapsible functionality
            List<IItem> subItems = new LinkedList<>();
            for (int ii = 1; ii <= 5; ii++) {
                final SimpleSubItem sampleItem = new SimpleSubItem();
                sampleItem.withName("-- Test " + (i + 1) + "." + ii).withDescription("ID: " + (i + 1) * 100 + ii).withIdentifier((i + 1) * 100 + ii);
                subItems.add(sampleItem);
            }
            expandableItem.withSubItems(subItems);
            items.add(expandableItem);
        } else {
            SimpleSubItem sampleItem = new SimpleSubItem();
            sampleItem.withName("Test " + (i + 1)).withDescription("ID: " + (i + 1)).withIdentifier(i + 1);
            items.add(sampleItem);
        }
    }
    fastItemAdapter.add(items);
    fastItemAdapter.expand();
    fastItemAdapter.withSelectionListener(new ISelectionListener() {

        @Override
        public void onSelectionChanged(IItem item, boolean selected) {
            if (item instanceof SimpleSubItem) {
                IItem headerItem = ((SimpleSubItem) item).getParent();
                if (headerItem != null) {
                    int pos = fastItemAdapter.getAdapterPosition(headerItem);
                    // Important: notify the header directly, not via the notifyadapterItemChanged!
                    // we just want to update the view and we are sure, nothing else has to be done
                    fastItemAdapter.notifyItemChanged(pos);
                }
            }
        }
    });
    //restore selections (this has to be done after the items were added
    fastItemAdapter.withSavedInstanceState(savedInstanceState);
    //set the back arrow in the toolbar
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(false);
    // restore action mode
    if (savedInstanceState != null)
        mActionModeHelper.checkActionMode(this);
}

Example 13 with Adapter

use of android.support.v7.widget.RecyclerView.Adapter in project FastAdapter by mikepenz.

the class MultiselectSampleActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    findViewById(android.R.id.content).setSystemUiVisibility(findViewById(android.R.id.content).getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sample);
    // Handle Toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle(R.string.sample_multi_select);
    //style our ui
    new MaterializeBuilder().withActivity(this).build();
    //create our FastAdapter
    mFastAdapter = new FastAdapter<>();
    //
    mUndoHelper = new UndoHelper(mFastAdapter, new UndoHelper.UndoListener<SimpleItem>() {

        @Override
        public void commitRemove(Set<Integer> positions, ArrayList<FastAdapter.RelativeInfo<SimpleItem>> removed) {
            Log.e("UndoHelper", "Positions: " + positions.toString() + " Removed: " + removed.size());
        }
    });
    //we init our ActionModeHelper
    mActionModeHelper = new ActionModeHelper(mFastAdapter, R.menu.cab, new ActionBarCallBack());
    //create our adapters
    ItemAdapter<SimpleItem> itemAdapter = new ItemAdapter<>();
    final HeaderAdapter<SimpleItem> headerAdapter = new HeaderAdapter<>();
    //configure our mFastAdapter
    //as we provide id's for the items we want the hasStableIds enabled to speed up things
    mFastAdapter.setHasStableIds(true);
    mFastAdapter.withSelectable(true);
    mFastAdapter.withMultiSelect(true);
    mFastAdapter.withSelectOnLongClick(true);
    mFastAdapter.withOnPreClickListener(new FastAdapter.OnClickListener<SimpleItem>() {

        @Override
        public boolean onClick(View v, IAdapter<SimpleItem> adapter, SimpleItem item, int position) {
            //we handle the default onClick behavior for the actionMode. This will return null if it didn't do anything and you can handle a normal onClick
            Boolean res = mActionModeHelper.onClick(item);
            return res != null ? res : false;
        }
    });
    mFastAdapter.withOnClickListener(new FastAdapter.OnClickListener<SimpleItem>() {

        @Override
        public boolean onClick(View v, IAdapter<SimpleItem> adapter, SimpleItem item, int position) {
            Toast.makeText(v.getContext(), "SelectedCount: " + mFastAdapter.getSelections().size() + " ItemsCount: " + mFastAdapter.getSelectedItems().size(), Toast.LENGTH_SHORT).show();
            return false;
        }
    });
    mFastAdapter.withOnPreLongClickListener(new FastAdapter.OnLongClickListener<SimpleItem>() {

        @Override
        public boolean onLongClick(View v, IAdapter<SimpleItem> adapter, SimpleItem item, int position) {
            ActionMode actionMode = mActionModeHelper.onLongClick(MultiselectSampleActivity.this, position);
            if (actionMode != null) {
                //we want color our CAB
                findViewById(R.id.action_mode_bar).setBackgroundColor(UIUtils.getThemeColorFromAttrOrRes(MultiselectSampleActivity.this, R.attr.colorPrimary, R.color.material_drawer_primary));
            }
            //if we have no actionMode we do not consume the event
            return actionMode != null;
        }
    });
    //get our recyclerView and do basic setup
    RecyclerView rv = (RecyclerView) findViewById(R.id.rv);
    rv.setLayoutManager(new LinearLayoutManager(this));
    rv.setItemAnimator(new SlideDownAlphaAnimator());
    rv.setAdapter(itemAdapter.wrap(headerAdapter.wrap(mFastAdapter)));
    //fill with some sample data
    SimpleItem SimpleItem = new SimpleItem();
    SimpleItem.withName("Header").withIdentifier(1).withSelectable(false);
    headerAdapter.add(SimpleItem);
    List<SimpleItem> items = new ArrayList<>();
    for (int i = 1; i <= 100; i++) {
        SimpleItem item = new SimpleItem();
        item.withName("Test " + i).withIdentifier(100 + i);
        items.add(item);
    }
    itemAdapter.add(items);
    //restore selections (this has to be done after the items were added
    mFastAdapter.withSavedInstanceState(savedInstanceState);
    //set the back arrow in the toolbar
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(false);
    //inform that longClick is required
    Toast.makeText(this, "LongClick to enable Multi-Selection", Toast.LENGTH_LONG).show();
}

Example 14 with Adapter

use of android.support.v7.widget.RecyclerView.Adapter in project FastAdapter by mikepenz.

the class FastAdapterDiffUtil method set.

public static <A extends ItemAdapter<Item>, Item extends IItem> A set(final A adapter, final List<Item> items, final DiffCallback<Item> callback, final boolean detectMoves) {
    if (adapter.isUseIdDistributor()) {
        IdDistributor.checkIds(items);
    }
    //first collapse all items
    adapter.getFastAdapter().collapse(false);
    //if we have a comparator then sort
    if (adapter.getComparator() != null) {
        Collections.sort(items, adapter.getComparator());
    }
    //map the types
    adapter.mapPossibleTypes(items);
    //remember the old items
    final List<Item> oldItems = adapter.getAdapterItems();
    DiffUtil.DiffResult result = DiffUtil.calculateDiff(new DiffUtil.Callback() {

        @Override
        public int getOldListSize() {
            return oldItems.size();
        }

        @Override
        public int getNewListSize() {
            return items.size();
        }

        @Override
        public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
            return callback.areItemsTheSame(oldItems.get(oldItemPosition), items.get(newItemPosition));
        }

        @Override
        public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
            return callback.areContentsTheSame(oldItems.get(oldItemPosition), items.get(newItemPosition));
        }

        @Nullable
        @Override
        public Object getChangePayload(int oldItemPosition, int newItemPosition) {
            Object result = callback.getChangePayload(oldItems.get(oldItemPosition), oldItemPosition, items.get(newItemPosition), newItemPosition);
            return result == null ? super.getChangePayload(oldItemPosition, newItemPosition) : result;
        }
    }, detectMoves);
    //make sure the new items list is not a reference of the already mItems list
    if (items != oldItems) {
        //remove all previous items
        if (!oldItems.isEmpty()) {
            oldItems.clear();
        }
        //add all new items to the list
        oldItems.addAll(items);
    }
    result.dispatchUpdatesTo(new ListUpdateCallback() {

        @Override
        public void onInserted(int position, int count) {
            adapter.getFastAdapter().notifyAdapterItemRangeInserted(adapter.getFastAdapter().getPreItemCountByOrder(adapter.getOrder()) + position, count);
        }

        @Override
        public void onRemoved(int position, int count) {
            adapter.getFastAdapter().notifyAdapterItemRangeRemoved(adapter.getFastAdapter().getPreItemCountByOrder(adapter.getOrder()) + position, count);
        }

        @Override
        public void onMoved(int fromPosition, int toPosition) {
            adapter.getFastAdapter().notifyAdapterItemMoved(adapter.getFastAdapter().getPreItemCountByOrder(adapter.getOrder()) + fromPosition, toPosition);
        }

        @Override
        public void onChanged(int position, int count, Object payload) {
            adapter.getFastAdapter().notifyAdapterItemRangeChanged(adapter.getFastAdapter().getPreItemCountByOrder(adapter.getOrder()) + position, count, payload);
        }
    });
    return adapter;
}

Example 15 with Adapter

use of android.support.v7.widget.RecyclerView.Adapter in project FastAdapter by mikepenz.

the class SwipeListActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    findViewById(android.R.id.content).setSystemUiVisibility(findViewById(android.R.id.content).getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sample);
    // Handle Toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    //style our ui
    new MaterializeBuilder().withActivity(this).build();
    //create our FastAdapter which will manage everything
    fastItemAdapter = new FastItemAdapter<>();
    //configure our fastAdapter
    fastItemAdapter.withOnClickListener(new FastAdapter.OnClickListener<SwipeableItem>() {

        @Override
        public boolean onClick(View v, IAdapter<SwipeableItem> adapter, SwipeableItem item, int position) {
            Toast.makeText(v.getContext(), (item).name.getText(v.getContext()), Toast.LENGTH_LONG).show();
            return false;
        }
    });
    //configure the itemAdapter
    fastItemAdapter.withFilterPredicate(new IItemAdapter.Predicate<SwipeableItem>() {

        @Override
        public boolean filter(SwipeableItem item, CharSequence constraint) {
            //return false to keep it
            return !item.name.getText().toLowerCase().contains(constraint.toString().toLowerCase());
        }
    });
    //get our recyclerView and do basic setup
    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.rv);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    recyclerView.setItemAnimator(new DefaultItemAnimator());
    recyclerView.setAdapter(fastItemAdapter);
    //fill with some sample data
    int x = 0;
    List<SwipeableItem> items = new ArrayList<>();
    for (String s : ALPHABET) {
        int count = new Random().nextInt(20);
        for (int i = 1; i <= count; i++) {
            SwipeableItem swipeableItem = new SwipeableItem().withName(s + " Test " + x).withIdentifier(100 + x);
            swipeableItem.withIsSwipeable(i % 5 != 0);
            items.add(swipeableItem);
            x++;
        }
    }
    fastItemAdapter.add(items);
    //add drag and drop for item
    //and add swipe as well
    Drawable leaveBehindDrawableLeft = new IconicsDrawable(this).icon(MaterialDesignIconic.Icon.gmi_delete).color(Color.WHITE).sizeDp(24);
    Drawable leaveBehindDrawableRight = new IconicsDrawable(this).icon(MaterialDesignIconic.Icon.gmi_archive).color(Color.WHITE).sizeDp(24);
    touchCallback = new SimpleSwipeDragCallback(this, this, leaveBehindDrawableLeft, ItemTouchHelper.LEFT, ContextCompat.getColor(this, R.color.md_red_900)).withBackgroundSwipeRight(ContextCompat.getColor(this, R.color.md_blue_900)).withLeaveBehindSwipeRight(leaveBehindDrawableRight);
    // Create ItemTouchHelper and pass with parameter the SimpleDragCallback
    touchHelper = new ItemTouchHelper(touchCallback);
    // Attach ItemTouchHelper to RecyclerView
    touchHelper.attachToRecyclerView(recyclerView);
    //restore selections (this has to be done after the items were added
    fastItemAdapter.withSavedInstanceState(savedInstanceState);
    //set the back arrow in the toolbar
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(false);
}