Back to project page SyncedListView.
The source code is released under:
Apache License
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/* * Copyright 2013 Wenhui Yao/*from w w w. j av a 2s . c o m*/ * * 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. */ package com.wenhui.syncedListView.lib; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; public abstract class InfiniteListAdapter extends BaseAdapter { public abstract int getItemCount(); public abstract Object getItemAt(int position); public abstract View getItemView(int position, View convertView, ViewGroup parent); @Override final public int getCount() { if( getItemCount() <= 0 ) { return 0; } return Integer.MAX_VALUE; } @Override final public Object getItem(int position) { int newPosition = getRealItemPosition(position); return getItemAt(newPosition); } @Override public long getItemId(int position) { return position; } @Override final public View getView(int position, View convertView, ViewGroup parent) { int newPosition = getRealItemPosition(position); return getItemView(newPosition, convertView, parent); } private int getRealItemPosition(int position){ if( getItemCount() == 0 ){ return 0; } return position % getItemCount(); } }