/**  * Created by cdy on 2016/2/3.   * 快速生成适配工具类 ,直接运行不成功需手动放入目录文件中  */ public class DimenTool {   public static void gen() {  //以此文件夹下的dimens.xml文件内容为初始值参照   File file = new File("./app/src/main/res/values/dimens.xml");   BufferedReader reader = null;  StringBuilder sw240 = new StringBuilder();  StringBuilder sw320 = new StringBuilder();  StringBuilder sw360 = new StringBuilder();  StringBuilder sw480 = new StringBuilder();  StringBuilder sw600 = new StringBuilder();  StringBuilder sw720 = new StringBuilder();  StringBuilder sw800 = new StringBuilder();  StringBuilder w820 = new StringBuilder();   try {   System.out.PRintln("生成不同分辨率：");   reader = new BufferedReader(new FileReader(file));   String tempString;   int line = 1;   // 一次读入一行，直到读入null为文件结束    while ((tempString = reader.readLine()) != null) {    if (tempString.contains("</dimen>")) {    //tempString = tempString.replaceAll(" ", "");     String start = tempString.substring(0, tempString.indexOf(">") + 1);    String end = tempString.substring(tempString.lastIndexOf("<") - 2);   //截取<dimen></dimen>标签内的内容，从>右括号开始，到左括号减2，取得配置的数字    Double num = Double.parseDouble   (tempString.substring(tempString.indexOf(">") + 1,    tempString.indexOf("</dimen>") - 2));    //根据不同的尺寸，计算新的值，拼接新的字符串，并且结尾处换行。    sw240.apPEnd(start).append( num * 0.75).append(end).append("/r/n");   sw320.append(start).append( num * 1).append(end).append("/r/n");   sw360.append(start).append( num * 1.125).append(end).append("/r/n");   sw480.append(start).append(num * 1.5).append(end).append("/r/n");   sw600.append(start).append(num * 1.87).append(end).append("/r/n");   sw720.append(start).append(num * 2.25).append(end).append("/r/n");   sw800.append(start).append(num * 2.5).append(end).append("/r/n");   w820.append(start).append(num * 2.56).append(end).append("/r/n");    } else {   sw240.append(tempString).append("");   sw320.append(tempString).append("");   sw360.append(tempString).append("");   sw480.append(tempString).append("");   sw600.append(tempString).append("");   sw720.append(tempString).append("");   sw800.append(tempString).append("");   w820.append(tempString).append("");   }   line++;   }   reader.close();  System.out.println("<!-- sw240 -->");  System.out.println(sw240);  System.out.println("<!-- sw320 -->");  System.out.println(sw320);  System.out.println("<!-- sw360 -->");  System.out.println(sw360);  System.out.println("<!-- sw480 -->");  System.out.println(sw480);  System.out.println("<!-- sw600 -->");  System.out.println(sw600);  System.out.println("<!-- sw720 -->");  System.out.println(sw720);  System.out.println("<!-- sw800 -->");  System.out.println(sw800);  String sw240file = "./app/src/main/res/values-sw240dp/dimens.xml";  String sw320file = "./app/src/main/res/values-sw320dp/dimens.xml";  String sw360file = "./app/src/main/res/values-sw360dp/dimens.xml";  String sw480file = "./app/src/main/res/values-sw480dp/dimens.xml";  String sw600file = "./app/src/main/res/values-sw600dp/dimens.xml";  String sw720file = "./app/src/main/res/values-sw720dp/dimens.xml";  String sw800file = "./app/src/main/res/values-sw800dp/dimens.xml";   String w820file = "./app/src/main/res/values-w820dp/dimens.xml";  //将新的内容，写入到指定的文件中去   writeFile(sw240file, sw240.toString());  writeFile(sw320file, sw320.toString());  writeFile(sw360file, sw360.toString());  writeFile(sw480file, sw480.toString());  writeFile(sw600file, sw600.toString());  writeFile(sw720file, sw720.toString());  writeFile(sw800file, sw800.toString());  writeFile(w820file, w820.toString());   } catch (IOException e) {  e.printStackTrace();   } finally {   if (reader != null) {  try {    reader.close();  } catch (IOException e1) {  e1.printStackTrace();   }   }   }   }    /**  * 写入方法   *  */  public static void writeFile(String file, String text) {  PrintWriter out = null;   try {   out = new PrintWriter(new BufferedWriter(new FileWriter(file)));  out.println(text);  } catch (IOException e) {   e.printStackTrace();   }    out.close();  }  public static void main(String[] args) {  gen();   }  }