WithGridView.java

package in.srain.cube.views.ptr.demo.ui.classic;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.GridView;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;
import in.srain.cube.image.CubeImageView;
import in.srain.cube.image.ImageLoader;
import in.srain.cube.image.ImageLoaderFactory;
import in.srain.cube.mints.base.TitleBaseFragment;
import in.srain.cube.request.JsonData;
import in.srain.cube.request.RequestFinishHandler;
import in.srain.cube.util.LocalDisplay;
import in.srain.cube.views.list.ListViewDataAdapter;
import in.srain.cube.views.list.ViewHolderBase;
import in.srain.cube.views.list.ViewHolderCreator;
import in.srain.cube.views.ptr.PtrClassicFrameLayout;
import in.srain.cube.views.ptr.PtrDefaultHandler;
import in.srain.cube.views.ptr.PtrFrameLayout;
import in.srain.cube.views.ptr.PtrHandler;
import in.srain.cube.views.ptr.demo.R;
import in.srain.cube.views.ptr.demo.data.DemoRequestData;

public class WithGridView extends TitleBaseFragment {

    private static final int sGirdImageSize = (LocalDisplay.SCREEN_WIDTH_PIXELS - LocalDisplay.dp2px(12 + 12 + 10)) / 2;
    private ImageLoader mImageLoader;
    private ListViewDataAdapter<JsonData> mAdapter;
    private PtrClassicFrameLayout mPtrFrame;

    @Override
    public View createView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        setHeaderTitle(R.string.ptr_demo_block_grid_view);

        mImageLoader = ImageLoaderFactory.create(getContext());

        final View contentView = inflater.inflate(R.layout.fragment_classic_header_with_gridview, null);
        final GridView gridListView = (GridView) contentView.findViewById(R.id.rotate_header_grid_view);

        mAdapter = new ListViewDataAdapter<JsonData>(new ViewHolderCreator<JsonData>() {
            @Override
            public ViewHolderBase<JsonData> createViewHolder() {
                return new ViewHolder();
            }
        });
        gridListView.setAdapter(mAdapter);

        mPtrFrame = (PtrClassicFrameLayout) contentView.findViewById(R.id.rotate_header_grid_view_frame);
        mPtrFrame.setLastUpdateTimeRelateObject(this);
        mPtrFrame.setPtrHandler(new PtrHandler() {
            @Override
            public void onRefreshBegin(PtrFrameLayout frame) {
                updateData();
            }

            @Override
            public boolean checkCanDoRefresh(PtrFrameLayout frame, View content, View header) {
                return PtrDefaultHandler.checkContentCanBePulledDown(frame, content, header);
            }
        });
        // the following are default settings
        mPtrFrame.setResistance(1.7f);
        mPtrFrame.setRatioOfHeaderHeightToRefresh(1.2f);
        mPtrFrame.setDurationToClose(200);
        mPtrFrame.setDurationToCloseHeader(1000);
        // default is false
        mPtrFrame.setPullToRefresh(false);
        // default is true
        mPtrFrame.setKeepHeaderWhenRefresh(true);
        mPtrFrame.postDelayed(new Runnable() {
            @Override
            public void run() {
                // mPtrFrame.autoRefresh();
            }
        }, 100);
        // updateData();
        setupViews(mPtrFrame);
        return contentView;
    }

    protected void setupViews(final PtrClassicFrameLayout ptrFrame) {

    }

    protected void updateData() {

        DemoRequestData.getImageList(new RequestFinishHandler<JsonData>() {
            @Override
            public void onRequestFinish(final JsonData data) {
                mPtrFrame.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        mAdapter.getDataList().clear();
                        mAdapter.getDataList().addAll(data.optJson("data").optJson("list").toArrayList());
                        mPtrFrame.refreshComplete();
                        mAdapter.notifyDataSetChanged();
                    }
                }, 1000);
            }
        });
    }

    private class ViewHolder extends ViewHolderBase<JsonData> {

        private CubeImageView mImageView;

        @Override
        public View createView(LayoutInflater inflater) {
            View view = LayoutInflater.from(getActivity()).inflate(R.layout.with_grid_view_item_image_list_grid, null);
            mImageView = (CubeImageView) view.findViewById(R.id.with_grid_view_item_image);
            mImageView.setScaleType(ScaleType.CENTER_CROP);

            LinearLayout.LayoutParams lyp = new LinearLayout.LayoutParams(sGirdImageSize, sGirdImageSize);
            mImageView.setLayoutParams(lyp);
            return view;
        }

        @Override
        public void showData(int position, JsonData itemData) {
            String url = itemData.optString("pic");
            mImageView.loadImage(mImageLoader, url);
        }
    }
}