Android Open Source - GridListViewAdapters Unlimited List Items Rotation Support Auto Load More

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License

The source code is released under:

Apache License

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Java Source Code

/**
 * Copyright 2014-present Biraj Patel/*  w w w  .j ava  2 s. 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.birin.listgridadapter.demo6;

import java.util.ArrayList;

import android.annotation.SuppressLint;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.ProgressBar;

import com.birin.gridlistviewadapters.utils.OnLoadMoreRequestListener;
import com.birin.gridlistviewadaptersdemo.R;
import com.birin.listgridadapter.datasetup.Employee;
import com.birin.listgridadapter.demo5.FixedListItemsRotationSupport;

public class UnlimitedListItemsRotationSupportAutoLoadMore extends
    FixedListItemsRotationSupport implements OnLoadMoreRequestListener {

  protected View loadMoreFooterView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    gridAdapter.setOnLoadMoreRequestListener(this);
  }

  @Override
  public void onLoadMoreRequested() {
    dataRetainingFragment.runAddDataTask();
  }

  @Override
  protected void bindAdapterToList() {
    loadMoreFooterView = getLoadMoreView();
    if (dataRetainingFragment.canLoadMoreData() == true) {
      listView.addFooterView(loadMoreFooterView);
      updateLoadMoreView();
    }
    super.bindAdapterToList();
  }

  @SuppressLint("InflateParams")
  protected View getLoadMoreView() {
    ProgressBar loadMoreProgress = (ProgressBar) inflater.inflate(
        R.layout.auto_load_more_footer, null);
    loadMoreProgress.setBackgroundColor(Color.LTGRAY);
    return loadMoreProgress;
  }

  @Override
  public void onNewDummyDataGenerated(ArrayList<Employee> newDataList) {
    super.onNewDummyDataGenerated(newDataList);
    updateLoadMoreView();
  }

  @Override
  public void onDataGeneratorTaskExecuting() {
    super.onDataGeneratorTaskExecuting();
    updateLoadMoreView();
  }

  @Override
  public void onDataGeneratorTaskCancelled() {
    super.onDataGeneratorTaskCancelled();
    updateLoadMoreView();
  }

  protected void updateLoadMoreView() {
    if (dataRetainingFragment.canLoadMoreData() == false) {
      listView.removeFooterView(loadMoreFooterView);
    } else {
      boolean isLoadingMoreData = dataRetainingFragment.isTaskRunning();
      if (isLoadingMoreData == true) {
        loadMoreFooterView.setVisibility(View.VISIBLE);
      } else {
        loadMoreFooterView.setVisibility(View.GONE);
      }
    }
  }
}

Java Source Code List