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Optimized Memory Usage for Big Excel Files with Large Data Sets in Android Apps

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By zarfishan, Junior Member on 21st April 2014, 01:12 PM
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Aspose development team is pleased to announce the new release of Aspose.Cells for Android v6.0.0. It supports optimizing memory usage when working with big Microsoft Excel files with large data sets. When building a workbook with large data sets, or reading a big template file, the total amount of RAM the process will use is always a concern. This release provides measures that can be adopted to cope with this challenge. Aspose.Cells provides some relevant options to lower, reduce and optimize memory usage. For example, the MemorySetting.MEMORY_PREFERENCE option optimizes memory use for the cells data to decrease the overall memory cost. It also allows to get/set the time of generating the PDF documents for Excel to PDF conversion, sometimes you might need to set your desired custom DateTime for the PDF files. There is another valuable Microsoft Excel’s features is to show formulas instead of values in a worksheet. You can show formulas instead of the calculated values in Microsoft Excel using the Show Formulas option from the Formulas ribbon. Once, you enable it, Microsoft Excel displays formulas inside the worksheet. You can achieve this using Aspose.Cells APIs. Aspose.Cells provides a Worksheet.setShowFormulas() method which you can set to true to set Microsoft Excel to display formulas. We have added a number of enhancements and fixes in the new release. We have improved the chart to image and sheet to image modules. Several other important issues have also been addressed. For example, issues with rendering Excel files to HTML file format, applying formatting, auto-filtering data in List objects/Tables. A few other improvements are also made to Aspose.Cells for Android’s formula calculation engine. This release includes plenty of new & enhanced features as listed below

• Get Starting Row/Column and Ending Row/Column indexes for a page of worksheet
• Support for Show Formulas MS Excel feature
• Aspose.Cells and Maven dependencies
• Set the creation time in the generated PDF
• Typo in method name - SeriesCollection.setSecondCategoryData
• Custom Series DataLabel Separator
• Cell.DisplayStringValue did not calculate accurately for spaces determined by column width and '*' in style's custom
• setExportActiveWorksheetOnly change align of table in HTML
• Background image is now copied to destination workbook when calling Workbook.copy
• Text inside an image appears to be Mirrored while saving an excel workbook as PDF is now fixed.
• Some words are separated when saving to PDF is now fixed
• Table autofilter is enhanced and work in xls and xlsx format properly
• When export to HTML, cells covered by image loses background color is fixed
• Background image path is now corrected
• Vertical text issue is resolved
• Formatting issue of shapes/controls in Excel to PDF conversion are fixed
• Incorrect wrapping of Axis Labels is fixed when converting XLSX to PDF
• DateTime columns now correctly read from CSV with European locale
• Image output mirrored while transforming an excel worksheet into PDF is now fixed
• Apose.Cells: embedded sigma plot chart now rendered correctly to PDF/images
• Incorrect wrapping of Axis Labels is fixed when converting XLSX to PDF
• Data is now corrected in the output pdf
• Background image path is now corrected
• Export Shapes to html with error background color is fixed
• Recalculation cell's formula
• Row hidden and row height issues are resolved

Other most recent bug fixes are also included in this release.
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