import org.zirco.utils.IOUtils; //导入依赖的package包/类
/**
 * Ask the user the file to import to bookmarks and history, and launch the import. 
 */
private void importHistoryBookmarks() {
	List<String> exportedFiles = IOUtils.getExportedBookmarksFileList();    	
   	
   	final String[] choices = exportedFiles.toArray(new String[exportedFiles.size()]);
   	
   	AlertDialog.Builder builder = new AlertDialog.Builder(this);
   	builder.setInverseBackgroundForced(true);
   	builder.setIcon(android.R.drawable.ic_dialog_info);
   	builder.setTitle(getResources().getString(R.string.Commons_ImportHistoryBookmarksSource));
   	builder.setSingleChoiceItems(choices,
   			0,
   			new OnClickListener() {
		@Override
		public void onClick(DialogInterface dialog, int which) {
							
			doImportHistoryBookmarks(choices[which]);				
			
			dialog.dismiss();				
		}    		
   	});    	
   	
   	builder.setCancelable(true);
   	builder.setNegativeButton(R.string.Commons_Cancel, null);
   	
   	AlertDialog alert = builder.create();
   	alert.show();
}
 

import org.zirco.utils.IOUtils; //导入依赖的package包/类
/**
 * Get a file object representation of the file name, in th right folder of the SD card.
 * @return A file object.
 */
private File getFile() {
	
	File downloadFolder = IOUtils.getDownloadFolder();
	
	if (downloadFolder != null) {
		
		return new File(downloadFolder, getFileNameFromUrl());
		
	} else {
		mParent.setErrorMessage("Unable to get download folder from SD Card.");			
		return null;
	}				
}
 

import org.zirco.utils.IOUtils; //导入依赖的package包/类
public String getFilePath() {
	return IOUtils.getDownloadFolder().getAbsolutePath() + File.separator + mFileName;
}
 

import org.zirco.utils.IOUtils; //导入依赖的package包/类
@Override
public void run() {
	try {
		
		mFile = new File(IOUtils.getBookmarksExportFolder(), mFileName);				
		FileWriter writer = new FileWriter(mFile);

		writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
		writer.write("<itemlist>\n");
		
		if (mCursor.moveToFirst()) {
			
			int titleIndex = mCursor.getColumnIndex(Browser.BookmarkColumns.TITLE);
			int urlIndex = mCursor.getColumnIndex(Browser.BookmarkColumns.URL);
			int visitsIndex = mCursor.getColumnIndex(Browser.BookmarkColumns.VISITS);
			int dateIndex = mCursor.getColumnIndex(Browser.BookmarkColumns.DATE);
			int createdIndex = mCursor.getColumnIndex(Browser.BookmarkColumns.CREATED);
			int bookmarkIndex = mCursor.getColumnIndex(Browser.BookmarkColumns.BOOKMARK);
			
			while (!mCursor.isAfterLast()) {
				
				writer.write("<item>\n");
				
				String title = mCursor.getString(titleIndex);
				writer.write(String.format("<title>%s</title>\n", title != null ? URLEncoder.encode(title) : ""));
				
				String url = mCursor.getString(urlIndex);
				writer.write(String.format("<url>%s</url>\n", url != null ? URLEncoder.encode(url) : ""));
				
				writer.write(String.format("<created>%s</created>\n", mCursor.getLong(createdIndex)));
				writer.write(String.format("<visits>%s</visits>\n", mCursor.getInt(visitsIndex)));
				
				writer.write(String.format("<date>%s</date>\n", mCursor.getLong(dateIndex)));
				writer.write(String.format("<bookmark>%s</bookmark>\n", mCursor.getInt(bookmarkIndex)));
				
				writer.write("</item>\n");
				
				mCursor.moveToNext();
			}				
		}
		
		writer.write("</itemlist>\n");

		writer.flush();
		writer.close();
		
	} catch (IOException e1) {
		Log.w("Bookmark export failed", e1.toString());				
		mErrorMessage = e1.toString();
	}
	
	mHandler.sendEmptyMessage(0);
}