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| package image.Thumbnails;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.res.TypedArray;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.ImageView;
import android.widget.AdapterView.OnItemClickListener;
public class ImageThumbnailsActivity extends Activity {
/** Called when the activity is first created. */
private Cursor imagecursor, actualimagecursor;
private int image_column_index, actual_image_column_index;
private int count;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Gallery gal = (Gallery) findViewById(R.id.gallery) ;
gal.setAdapter(new ImageAdapter(this));
//gal.setOnItemClickListener(new OnItemClickListener() );
//gal.setOnItemClickListener(new OnItemClickListener() {
// public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
//}
// });
init_phone_image_grid();
}
private void init_phone_image_grid() {
/* String[] img = { MediaStore.Video.Thumbnails._ID };
imagecursor = managedQuery(MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI, img, null, null, MediaStore.Video.Thumbnails.VIDEO_ID + "");
image_column_index = imagecursor.getColumnIndexOrThrow(MediaStore.Video.Thumbnails._ID);
count = imagecursor.getCount();
imagegrid = (GridView) findViewById(R.id.PhoneImageGrid);
imagegrid.setAdapter(new ImageAdapter(getApplicationContext()));
*/
String[] img = { MediaStore.Video.Thumbnails._ID,
//MediaStore.Video.VideoColumns.TITLE, //
//MediaStore.Video.VideoColumns.DURATION //
};
//String selection = MediaStore.Video.VideoColumns.TITLE + " = \"" + OUR_TITLE + "\""; // Our images
ContentResolver cr = getContentResolver();
imagecursor = cr.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, img, null, null, null);
if (imagecursor.moveToNext()) {
int id = imagecursor.getInt(0);
Bitmap b = MediaStore.Video.Thumbnails.getThumbnail(cr, id, MediaStore.Video.Thumbnails.MINI_KIND, null);
ImageView iv = (ImageView) findViewById(R.id.thumbnail);
iv.setImageBitmap(b);
//}
//imagecursor.close();
iv.setOnItemClickListener(new OnItemClickListener() {
public void OnItemClick(AdapterView<?> parent, View v, int position, long id) {
System.gc();
String[] proj = { MediaStore.Video.Media.DATA };
actualimagecursor = managedQuery(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, proj, null, null, null);
actual_image_column_index = actualimagecursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA);
actualimagecursor.moveToPosition(position);
String i = actualimagecursor.getString(actual_image_column_index);
System.gc();
Intent intent = new Intent(getApplicationContext(), ViewImage.class);
intent.putExtra("filename", i);
startActivity(intent);
}
/*public void onClick(View v) {
// TODO Auto-generated method stub
}*/
});
}
imagecursor.close();
}
public class ImageAdapter extends BaseAdapter {
private Context mContext;
int mGalleryItemBackground;
public ImageAdapter(Context c) {
this.mContext = c;
// FileList = fList;
TypedArray a = c.obtainStyledAttributes(R.styleable.Gallery);
mGalleryItemBackground = a.getResourceId(R.styleable.Gallery_android_galleryItemBackground,0);
a.recycle();
}
// public ImageAdapter(Context c) {mContext = c;}
public int getCount() {return count;}
public Object getItem(int position) {return position;}
public long getItemId(int position) {return position;}
public View getView(int position,View convertView,ViewGroup parent) {
System.gc();
//Log.i(TAG, "Get view = " + position); ////////
ImageView i = new ImageView(mContext.getApplicationContext());
imagecursor.requery();
if (convertView == null) {
imagecursor.moveToPosition(position);
int id = imagecursor.getInt(image_column_index);
i.setImageURI(Uri.withAppendedPath(MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI, "" + id));
i.setLayoutParams(new Gallery.LayoutParams(150, 100)); //
i.setScaleType(ImageView.ScaleType.CENTER_CROP);
//i.setLayoutParams(new GridView.LayoutParams(92, 92));
i.setBackgroundResource(mGalleryItemBackground); //
}
else {
i = (ImageView) convertView;
}
return i;
}
////
public TypedArray obtainStyledAttributes(int theme) {
// TODO Auto-generated method stub
return null;
}
////
/** Returns the size (0.0f to 1.0f) of the views
* depending on the 'offset' to the center. */
public float getScale(boolean focused, int offset) {
/* Formula: 1 / (2 ^ offset) */
return Math.max(0, 1.0f / (float)Math.pow(2, Math.abs(offset)));
}
//////////////////
/*
ImageView i = new ImageView(myContext);
Bitmap bm = BitmapFactory.decodeFile(
FileList.get(position).toString());
i.setImageBitmap(bm);
i.setLayoutParams(new Gallery.LayoutParams(150, 100));
i.setScaleType(ImageView.ScaleType.FIT_XY);
i.setBackgroundResource(mGalleryItemBackground);
return i; */
///////////////////
}
} |
