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;

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);
        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	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
16	public class ImageAdapter extends BaseAdapter {
17	//int mGalleryItemBackground;
18	private Context mContext;
19
20	ArrayList<String> mBitmapPaths = new ArrayList<String>();
21	ArrayList<Bitmap> mBitmaps = new ArrayList<Bitmap>();
22
23	public ImageAdapter(Context c) {
24	mContext = c;
25
26	String path = Environment.getExternalStorageDirectory().getPath() + "/Side9" ;
27
28	File root = new File(path);
29	File files[] = root.listFiles();
30	for (File f : files) {
31	Bitmap bmp = BitmapFactory.decodeFile( f.getPath() );
32	Bitmap scaled = Bitmap.createScaledBitmap(bmp, bmp.getWidth()/4, bmp.getHeight()/4, true);
33
34	mBitmapPaths.add( f.getPath() );
35	mBitmaps.add(scaled);
36	}
37	}
38
39	public int getCount() {
40	return mBitmaps.size();
41	}
42
43	public Object getItem(int position) {
44	return position;
45	}
46
47	public long getItemId(int position) {
48	return position;
49	}
50
51	public String getImagePath(int position) {
52	return mBitmapPaths.get(position);
53	}
54
55	public View getView(int position, View convertView, ViewGroup parent) {
56	ImageView imageView;
57	if (convertView == null) { // if it's not recycled, initialize some attributes
58	imageView = new ImageView(mContext);
59	imageView.setLayoutParams(new GridView.LayoutParams(200, 200));
60	imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
61	imageView.setAdjustViewBounds(true);
62	imageView.setPadding(4, 4, 4, 4);
63	} else {
64	imageView = (ImageView) convertView;
65	}
66
67
68	imageView.setImageBitmap( mBitmaps.get(position) );
69	return imageView;
70
71	}
72	}