Delete LoadMoreScrollListener.java

app/src/main/java/chat/rocket/android/helper/LoadMoreScrollListener.java

-package chat.rocket.android.helper;
-
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
-
-@SuppressWarnings("PMD.AbstractNaming")
-public abstract class LoadMoreScrollListener extends RecyclerView.OnScrollListener {
-
-  private final LinearLayoutManager layoutManager;
-  private final int loadThreshold;
-  private boolean isLoading;
-
-  /**
-   * constructor. loadThreshold is better to set to 0.4 * total.
-   */
-  public LoadMoreScrollListener(LinearLayoutManager layoutManager, int loadThreshold) {
-    this.layoutManager = layoutManager;
-    this.loadThreshold = loadThreshold;
-    setLoadingDone();
-  }
-
-  @Override
-  public void onScrolled(RecyclerView recyclerView, int deltaX, int deltaY) {
-    super.onScrolled(recyclerView, deltaX, deltaY);
-
-    final int visibleItemCount = recyclerView.getChildCount();
-    final int totalItemCount = layoutManager.getItemCount();
-    final int firstVisibleItem = layoutManager.findFirstVisibleItemPosition();
-
-    if (!isLoading
-        && firstVisibleItem + visibleItemCount >= totalItemCount - loadThreshold
-        && visibleItemCount < totalItemCount
-        && deltaY < 0) {
-      isLoading = true;
-      requestMoreItem();
-    }
-  }
-
-  public void setLoadingDone() {
-    isLoading = false;
-  }
-
-  public abstract void requestMoreItem();
-}
\ No newline at end of file