直播平台源代码，显示相册内图片的缩略图相关代码
 

String queryImageThumbnailPathByID(int ID) {
Uri uri = MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI;
String[]projection = new String[]{ MediaStore.Images.Thumbnails.DATA };
String selection = MediaStore.Images.Thumbnails.IMAGE_ID + " = ?";
String[] selectionArgs = new String[]{ String.valueOf(ID) };
Cursor cursor = getContentResolver().query(uri, projection, selection, selectionArgs, null);
String thumbnail_path = "";
if (cursor.moveToFirst()) {
thumbnail_path = cursor.getString(cursor.getColumnIndex(MediaStore.Images.Thumbnails.DATA));
}
cursor.close();
return thumbnail_path;
}
String[] projection = new String[]{ MediaStore.Images.Media.DATA, MediaStore.Images.Media.DATE_MODIFIED, MediaStore.Images.Media.SIZE, MediaStore.Images.Media._ID };
Cursor cursor = getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projection, null, null, MediaStore.Images.Media.DATE_MODIFIED + " DESC");
ListView listView = new ListView(this);
SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.item, cursor, new String[]{ MediaStore.Images.Media.DATA, MediaStore.Images.Media.DATA, MediaStore.Images.Media.SIZE, MediaStore.Images.Media.DATA, MediaStore.Images.Media._ID }, new int[]{ R.id.textView_path, R.id.textView_name, R.id.textView_size, R.id.textView_time, R.id.imageView_icon }, CursorAdapter.FLAG_AUTO_REQUERY);
adapter.setViewBinder(new SimpleCursorAdapter.ViewBinder() {
public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
......
if (view.getId() == R.id.imageView_icon) {
int ID = cursor.getInt(columnIndex);
//((ImageView)view).setImageURI(Uri.fromFile(new File(queryVideoThumbnailPathByID(ID))));
Bitmap bitmap = MediaStore.Images.Thumbnails.getThumbnail(getContentResolver(), ID, MediaStore.Images.Thumbnails.MINI_KIND, null);
((ImageView) view).setImageBitmap(bitmap);
}
}
}

 

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