FullImageAdapter.java

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.DownloadManager;
import android.app.WallpaperManager;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Environment;
import android.preference.PreferenceManager;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;

import com.salim.hot.hothdwallpaper.GlobalApplication;
import com.salim.hot.hothdwallpaper.R;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Picasso.Listener;
import com.squareup.picasso.Picasso.LoadedFrom;
import com.squareup.picasso.Target;

public class FullImageAdapter extends PagerAdapter {

	private Activity _activity;
	private String[] _imagePaths;
	private LayoutInflater inflater;
	SharedPreferences preferenceManager;
	DownloadManager downloadManager;
	final String strPref_Download_ID = "DOWNLOAD_ID";
	Picasso picasso;

	// constructor
	public FullImageAdapter(Activity activity, String[] uRLS) {
		this._activity = activity;
		this._imagePaths = uRLS;
		preferenceManager = PreferenceManager
				.getDefaultSharedPreferences(_activity);
		_activity.getApplicationContext();
		downloadManager = (DownloadManager) _activity.getApplicationContext()
				.getSystemService(Context.DOWNLOAD_SERVICE);

		picasso = new com.squareup.picasso.Picasso.Builder(_activity)
				.debugging(true).listener(new Listener() {

					@Override
					public void onImageLoadFailed(Picasso arg0, Uri arg1,
							Exception arg2) {
						Log.v("TAG", "Image failed to load : :" + arg1 + ":::"
								+ arg2.getMessage());

					}
				}).build();
		picasso.setDebugging(true);
	}

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

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

	@Override
	public Object instantiateItem(ViewGroup container, int position) {
		final ImageView imgDisplay;

		inflater = (LayoutInflater) _activity
				.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		View viewLayout = inflater.inflate(R.layout.layout_fullscreen_image,
				container, false);

		imgDisplay = (ImageView) viewLayout.findViewById(R.id.ivFull);
		imgDisplay.setTag(position);
		BitmapFactory.Options options = new BitmapFactory.Options();
		options.inPreferredConfig = Bitmap.Config.ARGB_8888;
		picasso.load(_imagePaths[position])
				.resize(GlobalApplication.FULL_IMAGE_WIDTH,
						GlobalApplication.FULL_IMAGE_HEIGHT).centerInside()
				.into(new Target() {

					@Override
					public void onPrepareLoad(Drawable arg0) {
						// TODO Auto-generated method stub

					}

					@Override
					public void onBitmapLoaded(Bitmap arg0, LoadedFrom arg1) {
						// TODO Auto-generated method stub
						imgDisplay.setImageBitmap(arg0);
					}

					@Override
					public void onBitmapFailed(Drawable arg0) {
						// TODO Auto-generated method stub

					}
				});
		Log.v("TAG", Picasso.with(_activity).getSnapshot().toString());
		((ViewPager) container).addView(viewLayout);
		return viewLayout;
	}

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

	}
}