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[¾Èµå·ÎÀ̵å]ÆÄÀÏ ¿¬°á - Intent setDataAndType(Uri , MimeType)
7³â Àü
        /**
         * ÆÄÀÏÀÇ È®ÀåÀÚ Á¶È¸
         *
         * @param fileStr
         * @return
         */
        public static String getExtension(String fileStr) {
                return fileStr.substring(fileStr.lastIndexOf(".") + 1, fileStr.length());
        }

        /**
         * Viewer·Î ¿¬°á
         *
         * @param ctx
         * @param filePath
         * @param fileName
         */
        public static void viewFile(Context ctx, String filePath, String fileName) {
                // TODO Auto-generated method stub
                Intent fileLinkIntent = new Intent(Intent.ACTION_VIEW);
                fileLinkIntent.addCategory(Intent.CATEGORY_DEFAULT);
                File file = new File(filePath, fileName);
                Uri uri = Uri.fromFile(file);
                //È®ÀåÀÚ ±¸Çϱâ
                String fileExtend = getExtension(file.getAbsolutePath());
                // ÆÄÀÏ È®ÀåÀÚ º°·Î mime type ÁöÁ¤ÇØ ÁØ´Ù.
                if (fileExtend.equalsIgnoreCase("mp3")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file), "audio/*");
                } else if (fileExtend.equalsIgnoreCase("mp4")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file), "vidio/*");
                } else if (fileExtend.equalsIgnoreCase("jpg")
                                || fileExtend.equalsIgnoreCase("jpeg")
                                || fileExtend.equalsIgnoreCase("gif")
                                || fileExtend.equalsIgnoreCase("png")
                                || fileExtend.equalsIgnoreCase("bmp")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file), "image/*");
                } else if (fileExtend.equalsIgnoreCase("txt")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file), "text/*");
                } else if (fileExtend.equalsIgnoreCase("doc")
                                || fileExtend.equalsIgnoreCase("docx")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file), "application/msword");
                } else if (fileExtend.equalsIgnoreCase("xls")
                                || fileExtend.equalsIgnoreCase("xlsx")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file),
                                        "application/vnd.ms-excel");
                } else if (fileExtend.equalsIgnoreCase("ppt")
                                || fileExtend.equalsIgnoreCase("pptx")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file),
                                        "application/vnd.ms-powerpoint");
                } else if (fileExtend.equalsIgnoreCase("pdf")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file), "application/pdf");
                } else if (fileExtend.equalsIgnoreCase("hwp")) {
                        fileLinkIntent.setDataAndType(Uri.fromFile(file),
                                        "application/haansofthwp");
                }
                PackageManager pm = ctx.getPackageManager();
                List<ResolveInfo> list = pm.queryIntentActivities(fileLinkIntent,
                                PackageManager.GET_META_DATA);
                if (list.size() == 0) {
                        Toast.makeText(ctx, fileName + "À» È®ÀÎÇÒ ¼ö ÀÖ´Â ¾ÛÀÌ ¼³Ä¡µÇÁö ¾Ê¾Ò½À´Ï´Ù.",
                                        Toast.LENGTH_SHORT).show();
                } else {
                        ctx.startActivity(fileLinkIntent);
                }
        }
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