thoerup/side9/ImageAdapter.java

package dk.thoerup.side9;

import java.io.File;
import java.util.ArrayList;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Environment;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.Toast;

public class ImageAdapter extends BaseAdapter {
    //int mGalleryItemBackground;
    private Context mContext;
    
    ArrayList<String> mBitmapPaths = new ArrayList<String>();
    ArrayList<Bitmap> mBitmaps = new ArrayList<Bitmap>();

    public ImageAdapter(Context c) {
        mContext = c;
        
        String path = Environment.getExternalStorageDirectory().getPath() + "/Side9" ;
        
        
        File root = new File(path);
        
        if (root.exists() == false) {
                Toast.makeText(mContext, "Side9 folder not found on sdcard", Toast.LENGTH_LONG).show();
                return;
        } 
        
        File files[] = root.listFiles();
        for (File f : files) {          
            Bitmap bmp = BitmapFactory.decodeFile( f.getPath() );
            Bitmap scaled =  Bitmap.createScaledBitmap(bmp, bmp.getWidth()/4, bmp.getHeight()/4, true);
            
                mBitmapPaths.add(  f.getPath() );
                mBitmaps.add(scaled);
        }
    }

    public int getCount() {
        return mBitmaps.size();
    }

    public Object getItem(int position) {
        return position;
    }

    public long getItemId(int position) {
        return position;
    }
    
    public String getImagePath(int position) {
        return mBitmapPaths.get(position);
    }

    public View getView(int position, View convertView, ViewGroup parent) {
        ImageView imageView;
        if (convertView == null) {  // if it's not recycled, initialize some attributes
            imageView = new ImageView(mContext);
            imageView.setLayoutParams(new GridView.LayoutParams(200, 200));
            imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
            imageView.setAdjustViewBounds(true);   
            imageView.setPadding(4, 4, 4, 4);
        } else {
            imageView = (ImageView) convertView;
        }


        imageView.setImageBitmap( mBitmaps.get(position) );
        return imageView;

    }
}
1	torben	790	package dk.thoerup.side9;
2
3			import java.io.File;
4			import java.util.ArrayList;
5
6			import android.content.Context;
7			import android.graphics.Bitmap;
8			import android.graphics.BitmapFactory;
9			import android.os.Environment;
10			import android.view.View;
11			import android.view.ViewGroup;
12			import android.widget.BaseAdapter;
13			import android.widget.GridView;
14			import android.widget.ImageView;
15	torben	912	import android.widget.Toast;
16	torben	790
17			public class ImageAdapter extends BaseAdapter {
18			//int mGalleryItemBackground;
19			private Context mContext;
20
21	torben	791	ArrayList<String> mBitmapPaths = new ArrayList<String>();
22			ArrayList<Bitmap> mBitmaps = new ArrayList<Bitmap>();
23	torben	790
24			public ImageAdapter(Context c) {
25			mContext = c;
26
27			String path = Environment.getExternalStorageDirectory().getPath() + "/Side9" ;
28
29	torben	912
30
31	torben	790	File root = new File(path);
32	torben	912
33			if (root.exists() == false) {
34			Toast.makeText(mContext, "Side9 folder not found on sdcard", Toast.LENGTH_LONG).show();
35			return;
36			}
37
38	torben	790	File files[] = root.listFiles();
39	torben	791	for (File f : files) {
40			Bitmap bmp = BitmapFactory.decodeFile( f.getPath() );
41			Bitmap scaled = Bitmap.createScaledBitmap(bmp, bmp.getWidth()/4, bmp.getHeight()/4, true);
42
43			mBitmapPaths.add( f.getPath() );
44			mBitmaps.add(scaled);
45	torben	790	}
46			}
47
48			public int getCount() {
49			return mBitmaps.size();
50			}
51
52			public Object getItem(int position) {
53			return position;
54			}
55
56			public long getItemId(int position) {
57			return position;
58			}
59
60			public String getImagePath(int position) {
61	torben	791	return mBitmapPaths.get(position);
62	torben	790	}
63
64			public View getView(int position, View convertView, ViewGroup parent) {
65			ImageView imageView;
66			if (convertView == null) { // if it's not recycled, initialize some attributes
67			imageView = new ImageView(mContext);
68			imageView.setLayoutParams(new GridView.LayoutParams(200, 200));
69			imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
70			imageView.setAdjustViewBounds(true);
71			imageView.setPadding(4, 4, 4, 4);
72			} else {
73			imageView = (ImageView) convertView;
74			}
75
76	torben	791
77			imageView.setImageBitmap( mBitmaps.get(position) );
78	torben	790	return imageView;
79
80			}
81			}