com.example.postory.ImagePagerActivity.java Source code

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Here is the source code for com.example.postory.ImagePagerActivity.java

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/*******************************************************************************
 * Copyright 2011-2013 Sergey Tarasevich
 *
 * 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.example.postory;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.assist.ImageLoadingListener;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;

/**
 * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
 */
public class ImagePagerActivity extends FragmentActivity {

    private static final String STATE_POSITION = "STATE_POSITION";

    DisplayImageOptions options;

    ViewPager pager;
    String location;
    String url;
    String author;
    protected ImageLoader imageLoader = ImageLoader.getInstance();

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

        Bundle bundle = getIntent().getExtras();
        assert bundle != null;
        PhotoInfo result = (PhotoInfo) bundle.get("IMAGES");
        int pagerPosition = bundle.getInt("postion");
        location = result.getlocation_name();
        url = result.getbigger_photo_url();
        author = result.getauthor();

        if (savedInstanceState != null) {
            pagerPosition = savedInstanceState.getInt(STATE_POSITION);
        }

        options = new DisplayImageOptions.Builder().showStubImage(R.drawable.ic_stub)
                .showImageForEmptyUri(R.drawable.ic_empty).showImageOnFail(R.drawable.ic_error).cacheInMemory()
                .cacheOnDisc().build();

        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(getApplicationContext())
                .defaultDisplayImageOptions(options).build();
        imageLoader.init(config);

        pager = (ViewPager) findViewById(R.id.pager);
        pager.setAdapter(new ImagePagerAdapter(url));
        pager.setCurrentItem(pagerPosition);

    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        outState.putInt(STATE_POSITION, pager.getCurrentItem());
    }

    private class ImagePagerAdapter extends PagerAdapter {

        private String images;
        private LayoutInflater inflater;

        ImagePagerAdapter(String images) {
            this.images = images;
            inflater = getLayoutInflater();
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View) object);
        }

        @Override
        public int getCount() {
            return images.length();
        }

        @Override
        public Object instantiateItem(ViewGroup view, int position) {
            View imageLayout = inflater.inflate(R.layout.pager_image, view, false);
            assert imageLayout != null;
            ImageView imageView = (ImageView) imageLayout.findViewById(R.id.image);
            @SuppressWarnings("unused")
            final ProgressBar spinner = (ProgressBar) imageLayout.findViewById(R.id.loading);
            TextView location_view = (TextView) imageLayout.findViewById(R.id.textView1);
            TextView author_view = (TextView) imageLayout.findViewById(R.id.textView2);
            imageLoader.displayImage(images, imageView, options);

            location_view.setText(location);
            author_view.setText("PhotoBy:" + author);

            view.addView(imageLayout, 0);
            return imageLayout;
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view.equals(object);
        }

        @Override
        public void restoreState(Parcelable state, ClassLoader loader) {
        }

        @Override
        public Parcelable saveState() {
            return null;
        }
    }
}