com.snowdream.wallpaper.ImageGridFragment.java Source code

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Here is the source code for com.snowdream.wallpaper.ImageGridFragment.java

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/*******************************************************************************
 * Copyright (C) 2013 Snowdream Mobile
 *
 * 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.snowdream.wallpaper;

import java.util.ArrayList;
import java.util.List;

import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.ListAdapter;

import com.github.snowdream.android.util.Log;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.snowdream.wallpaper.Constants.Extra;
import com.snowdream.wallpaper.adapter.ImageGridAdapter;
import com.snowdream.wallpaper.entity.Image;
import com.snowdream.wallpaper.entity.Object;
import com.snowdream.wallpaper.task.ITaskImpl;
import com.snowdream.wallpaper.task.ITaskListener;

/**
 * @author snowdream <yanghui1986527@gmail.com>
 * @date 2013-6-10
 * @version v1.0
 */
public class ImageGridFragment extends Fragment {
    DisplayImageOptions options;

    GridView mGridView = null;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        initUI();
        initData();

        return mGridView;
    }

    private void initData() {
        options = new DisplayImageOptions.Builder().showStubImage(R.drawable.ic_stub)
                .showImageForEmptyUri(R.drawable.ic_empty).showImageOnFail(R.drawable.ic_error).cacheInMemory()
                .cacheOnDisc().bitmapConfig(Bitmap.Config.ARGB_8888).build();

        Bundle bundle = this.getArguments();
        if (bundle != null) {
            Object object = bundle.getParcelable(Extra.OBJECT);
            loadAlbumOrAlbums(object);
        }
    }

    private GridView initUI() {
        mGridView = (GridView) getActivity().getLayoutInflater().inflate(R.layout.list_grid, null);
        mGridView.setBackgroundResource(android.R.color.black);
        mGridView.setAdapter(new ImageGridAdapter());
        mGridView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (getActivity() == null)
                    return;

                Image image = (Image) view.getTag();
                if (image == null)
                    return;

                ListAdapter adapter = mGridView.getAdapter();
                if ((adapter == null) || !(adapter instanceof ImageGridAdapter)) {
                    return;
                }

                ImageGridActivity activity = (ImageGridActivity) getActivity();

                Intent intent = new Intent(activity, ImagePagerActivity.class);
                intent.putParcelableArrayListExtra(Extra.IMAGES,
                        (ArrayList<? extends Parcelable>) ((ImageGridAdapter) adapter).getList());
                intent.putExtra(Extra.IMAGE_POSITION, position);
                startActivity(intent);
            }
        });
        return mGridView;
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
    }

    private void loadAlbumOrAlbums(Object object) {
        if (object == null) {
            return;
        }

        ITaskImpl iTaskImpl = new ITaskImpl(getActivity(), object, new ITaskListener() {

            @Override
            public void onSuccess(List<Image> images) {
                Log.i("onSuccess" + images.toString());
                if (getActivity() == null) {
                    Log.w("getActivity() return null!");
                    return;
                }

                ImageGridAdapter adapter = new ImageGridAdapter(getActivity(), images, options);
                mGridView.setAdapter(adapter);
            }

            @Override
            public void onStart() {
                Log.i("onStart");
            }

            @Override
            public void onFinish() {
                Log.i("onFinish");
            }

            @Override
            public void onFailed(Exception e) {
                Log.e("onFailed :" + e.toString());
            }
        });

        new Thread(iTaskImpl).start();

    }
}