public class TestingActivity extends FragmentActivity {

	RecyclerView recyclerView;
	LinearLayoutManager mLayoutManager;
	MyAdapter mAdpt;
	ImageLoader imageLoader = ImageLoader.getInstance();
	ArrayList<TestData> arrayListTesting = new ArrayList<TestData>();

	int currentPage = 0;
	int totalPage = 0;
	boolean isShowLoadingViewing = false;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = getWindow();
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            window.setStatusBarColor(ContextCompat.getColor(this, R.color.colorprimary));
        }

		setContentView(R.layout.activity_notification);

		recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
		recyclerView.setHasFixedSize(true);
		mLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
		// GridLayoutManager mLayoutManager = new GridLayoutManager(this, 2); // 2 is span size
		recyclerView.setLayoutManager(mLayoutManager);
		imageLoader.init(GetOption.getConfig(TestingActivity.this));

		onLoadmore(true);
	}

	// Adapter
	public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

		@Override
		public int getItemCount() {
			return arrayListMain.size() + 1;
		}

		@Override
		public void onBindViewHolder(final RecyclerView.ViewHolder main_holder, final int position) {

			if (position > getItemCount() - 2 && isShowLoadingViewing) {
				isShowLoadingViewing = false;
				onLoadmore(false);
			}
			if (main_holder instanceof ViewHolderFooter) {
				if (totalPage == getItemCount() - 1) {
					final ViewHolderFooter holder_footer = (ViewHolderFooter) main_holder;
					holder_footer.rootRelLayout.getLayoutParams().height = 0;
				}
			} else {

				final ViewHolderNormal holder = (ViewHolderNormal) main_holder;
				final TestData data = arrayListMain.get(position);
				holder.textView.setText("Position: " + position);
				
				imageLoader.displayImage(data.profilepic, holder.ivProfile,
						GetOption.getFullOption(getResources().getDimensionPixelSize(R.dimen.profiledimen)),
						new SimpleImageLoadingListener() {
							@Override
							public void onLoadingStarted(String imageUri, View view) {
							}

							@Override
							public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
							}

							@Override
							public void onLoadingComplete(String imageUri, View view, final Bitmap loadedImage) {
							}
						});
			}
		}

		@Override
		public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewtype) {
			if (viewtype == 1) {
				View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.footer, parent, false);
				ViewHolderFooter vh = new ViewHolderFooter(v);
				return vh;
			} else {

				View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.normal_layout_row, parent, false);
				ViewHolderNormal vh = new ViewHolderNormal(v);

				return vh;
			}
		}

		ArrayList<TestData> arrayListMain;

		public MyAdapter(ArrayList<TestData> arrayListMain) {
			this.arrayListMain = arrayListMain;
		}

		@Override
		public int getItemViewType(int position) {
			if (position == getItemCount() - 1) {
				return 1;
			} else {
				return 0;
			}

		}
	}

	public class ViewHolderNormal extends RecyclerView.ViewHolder {

		ImageView ivProfile;
		TextView textView;

		public ViewHolderNormal(View v) {
			super(v);
			ivProfile = (ImageView) v.findViewById(R.id.ivProfile);
			textView = (TextView) v.findViewById(R.id.textView);
		}
	}

	public class ViewHolderFooter extends RecyclerView.ViewHolder {

		RelativeLayout rootRelLayout;

		public ViewHolderFooter(View v) {
			super(v);
			rootRelLayout = (RelativeLayout) v.findViewById(R.id.rootRelLayout);
		}
	}

	public void onLoadmore(boolean isShowLoadingView) {
		// Our WebAPIHelper
		WebAPIHelper webhelper = new WebAPIHelper(Constant.TEST_ID, TestingActivity.this, isShowLoadingView);
		webhelper.callRequest("your_test_url?id=" + "&page=" + currentPage);
	}

	public void setResponse(int requestNumber, int total, ArrayList<TestData> arrNotiData) {
		// TODO Auto-generated method stub

		SharedPref.setPreference(SharedPref.NOTIFICATION_LAST_COUNTER, total, TestingActivity.this);

		totalPage = total;
		currentPage++;

		if (arrNotiData.size() > 0) {
			if (recyclerView.getAdapter() == null) {
				arrayListTesting = new ArrayList<TestData>(arrNotiData);
				mAdpt = new MyAdapter(arrayListTesting);
				recyclerView.setAdapter(mAdpt);
			} else {
				int presize = arrayListTesting.size();
				arrayListTesting.addAll(arrNotiData);
				mAdpt.notifyItemRangeInserted(presize, arrNotiData.size());
			}
			if (totalPage > currentPage)
				isShowLoadingViewing = true;
		} else {
			isShowLoadingViewing = false;
		}
	}
}