Android 使用正则表达式来快速生成多套dpi及分分辨率适配的UI

        FileInputStream inputStream = new FileInputStream(subFile);
        BufferedReader reader = new BufferedReader(new InputStreamReader(
                inputStream));
        if (sb == null) {
            sb = new StringBuffer();
        }
        for (String s = reader.readLine(); s != null; s = reader.readLine()) {
            // 使用的是逐行读取，所以xml的格式必须每行都是完整的，不然会出现各种意想不到的结果。
            String temp = s;
            Pattern dpPattern = Pattern.compile("\"(.+?)dp\"");
            Matcher dpMatcher = dpPattern.matcher(temp);
            System.out.println(s);
            if (dpMatcher.find()) {
                for (int gNum = 1; gNum <= dpMatcher.groupCount(); gNum++) {
                    System.out.println("dp");
                    System.out.println(dpMatcher.group(gNum));
                    temp = temp.replaceAll(dpMatcher.group(gNum),
                            Float.parseFloat(dpMatcher.group(gNum))
                                    * CHANGE_RATIO + "");
                }
            }
            Pattern dipPattern = Pattern.compile("\"(.+?)dip\"");
            Matcher dipMatcher = dipPattern.matcher(temp);
            if (dipMatcher.find()) {
                for (int gNum = 1; gNum <= dipMatcher.groupCount(); gNum++) {
                    System.out.println("dip");
                    System.out.println(dipMatcher.group(gNum));
                    temp = temp.replaceAll(dipMatcher.group(gNum),
                            Float.parseFloat(dipMatcher.group(gNum))
                                    * CHANGE_RATIO + "");
                }
            }
            Pattern spPattern = Pattern.compile("\"(.+?)sp\"");
            Matcher spMatcher = spPattern.matcher(temp);
            if (spMatcher.find()) {
                for (int gNum = 1; gNum <= spMatcher.groupCount(); gNum++) {
                    System.out.println("sp");
                    System.out.println(spMatcher.group(gNum));
                    temp = temp.replaceAll(spMatcher.group(gNum),
                            Float.parseFloat(spMatcher.group(gNum))
                                    * CHANGE_RATIO + "");
                }
            }
            sb.append(temp + "\n");
        }

Pattern dpPattern = Pattern.compile(">(.+?)dp<");