Custom ListView for use case such as endless scrolling

listview_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<me.rishabhmhjn.widgets.LoadMoreListView
  android:id="+id/listview"
  android:layout_width="match_parent"
  android:layout_height="match_parent" />

load_more_footer.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="wrap_content">

  <FrameLayout
    android:id="@+id/load_more_progress_bar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:visibility="gone" >

    <ProgressBar
      style="?android:attr/progressBarStyle"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_gravity="center" />
  </FrameLayout>

</RelativeLayout>

LoadMoreListView.java

package me.rishabhmhjn.widgets;

import me.rishabhmhjn.R; // might be diffrent for your use
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;

public class LoadMoreListView extends ListView implements OnScrollListener {

  private static final String TAG            = LoadMoreListView.class
                                                 .getSimpleName();

  private OnScrollListener    mOnScrollListener;
  private LayoutInflater      mInflater;

  private View                mFooterView;
  private View                mLoadMoreStatusView;

  private OnLoadMoreListener  mOnLoadMoreListener;

  private boolean             mIsLoadingMore = false;
  private int                 mCurrentScrollState;

  public LoadMoreListView(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context);
  }

  public LoadMoreListView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    init(context);
  }

  @Override
  public void setAdapter(ListAdapter adapter) {

    mFooterView = (RelativeLayout) mInflater.inflate(R.layout.load_more_footer,
        this, false);
    mLoadMoreStatusView = mFooterView.findViewById(R.id.load_more_progress_bar);
    addFooterView(mFooterView);
    setLoading(false);

    super.setAdapter(adapter);
  }

  private void init(Context context) {

    mInflater = (LayoutInflater) context
        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    super.setOnScrollListener(this);
  }

  public void setLoadMoreStatusView(View v, int statusViewId) {
    removeFooterView(mFooterView);

    mFooterView = v;
    mLoadMoreStatusView = mFooterView.findViewById(statusViewId);
    addFooterView(mFooterView);
  }

  public void setLoadMoreStatusView(View v) {
    removeFooterView(mFooterView);

    mFooterView = v;
    mLoadMoreStatusView = mFooterView.findViewById(R.id.load_more_progress_bar);
    addFooterView(mFooterView);
  }

  /**
   * Set the listener that will receive notifications every time the list
   * scrolls.
   * 
   * @param l
   *          The scroll listener.
   */
  @Override
  public void setOnScrollListener(AbsListView.OnScrollListener l) {
    mOnScrollListener = l;
  }

  /**
   * Register a callback to be invoked when this list reaches the end (last item
   * be visible)
   * 
   * @param onLoadMoreListener
   *          The callback to run.
   */

  public void setOnLoadMoreListener(OnLoadMoreListener onLoadMoreListener) {
    mOnLoadMoreListener = onLoadMoreListener;
  }

  public void onScroll(AbsListView view, int firstVisibleItem,
      int visibleItemCount, int totalItemCount) {

    if (mOnScrollListener != null) {
      mOnScrollListener.onScroll(view, firstVisibleItem, visibleItemCount,
          totalItemCount);
    }

    if (visibleItemCount == totalItemCount) {
      if (mLoadMoreStatusView != null) {
        mLoadMoreStatusView.setVisibility(View.GONE);
      }
      return;
    }

    if (mOnLoadMoreListener != null) {

      boolean loadMore = firstVisibleItem + visibleItemCount >= totalItemCount;

      if (!mIsLoadingMore && loadMore
          && mCurrentScrollState != SCROLL_STATE_IDLE) {
        setLoading(true);
        onLoadMore();
      }
    }
  }

  public void onScrollStateChanged(AbsListView view, int scrollState) {
    mCurrentScrollState = scrollState;

    if (mOnScrollListener != null) {
      mOnScrollListener.onScrollStateChanged(view, scrollState);
    }
  }

  public void setLoading(boolean loading) {
    Log.d(TAG, "setLoading: " + loading);

    mIsLoadingMore = loading;
    mLoadMoreStatusView.setVisibility(loading ? View.VISIBLE : View.GONE);
  }

  public void onLoadMore() {
    Log.d(TAG, "onLoadMore");
    if (mOnLoadMoreListener != null) {
      mOnLoadMoreListener.onLoadMore();
    }
  }

  public void onLoadMoreComplete() {
    setLoading(false);
  }

  public interface OnLoadMoreListener {
    public void onLoadMore();
  }

}

MyActivity.java

package me.rishabhmhjn;

import me.rishabhmhjn.widgets.LoadMoreListView;
import me.rishabhmhjn.widgets.LoadMoreListView.OnLoadMoreListener;

import android.app.Activity;
import android.os.Bundle;

public class MyActivity extends Activity {

  private LoadMoreListView mLoadMoreListView;

  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.listview_activity);

    mLoadMoreListView = findViewById(R.id.listview);
    mLoadMoreListView.setOnLoadMoreListener(new OnLoadMoreListener() {

      public void onLoadMore() {
        // load more items or do other processing

        // when completed, execute onLoadMoreComplete() of the listview
        mLoadMoreListView.onLoadMoreComplete();
      };

    });
  }
}

Good widget, why you don't upload to gradle repository?