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2014/10/16 ¤W¤È 08:23:36
android Programming Glossary: sectionlettersHow to show alphabetical letters on side of Android ListView http://stackoverflow.com/questions/7129069/how-to-show-alphabetical-letters-on-side-of-android-listview data for int i 0 i data.size i String s data.get i .substring 0 1 .toUpperCase alphaIndexer.put s i Set String sectionLetters alphaIndexer.keySet ArrayList String sectionList new ArrayList String sectionLetters Collections.sort sectionList sections.. alphaIndexer.put s i Set String sectionLetters alphaIndexer.keySet ArrayList String sectionList new ArrayList String sectionLetters Collections.sort sectionList sections new String sectionList.size sectionList.toArray sections public int getPositionForSection.. i String s data.get i .substring 0 1 .toUpperCase if alphaIndexer.containsKey s alphaIndexer.put s i Set String sectionLetters alphaIndexer.keySet ArrayList String sectionList new ArrayList String sectionLetters Collections.sort sectionList sections..
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