android 创建适配xml文件

SUPPORT_DIMESION 是需要适配的各种分辨率
main方法中的int baseW = 320; int baseH = 400;是基数，其他分辨率是按照这个换算。自行修改自己的基数

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintWriter;

/**
* Created by zhuzhiqiang789 on 17/8/14.
*/

public class GenerateValueFiles {
   private int baseW;
   private int baseH;

   private String dirStr = "./res";

   private final static String WTemplate = "<dimen name=\"x{0}\">{1}px</dimen>\n";
   private final static String HTemplate = "<dimen name=\"y{0}\">{1}px</dimen>\n";

   /**
    * {0}-HEIGHT
    */
   private final static String VALUE_TEMPLATE = "values-{0}x{1}";

   private static final String SUPPORT_DIMESION = "320,480;480,800;480,854;540,960;600,1024;720,1184;720,1196;720,1280;768,1024;800,1280;1080,1812;1080,1920;1440,2560;";

   private String supportStr = SUPPORT_DIMESION;

   public GenerateValueFiles(int baseX, int baseY, String supportStr) {
       this.baseW = baseX;
       this.baseH = baseY;

       if (!this.supportStr.contains(baseX + "," + baseY)) {
           this.supportStr += baseX + "," + baseY + ";";
       }

       this.supportStr += validateInput(supportStr);

       System.out.println(supportStr);

       File dir = new File(dirStr);
       if (!dir.exists()) {
           dir.mkdir();

       }
       System.out.println(dir.getAbsoluteFile());

   }

   /**
    * @param supportStr
    *            w,h_...w,h;
    * @return
    */
   private String validateInput(String supportStr) {
       StringBuffer sb = new StringBuffer();
       String[] vals = supportStr.split("_");
       int w = -1;
       int h = -1;
       String[] wh;
       for (String val : vals) {
           try {
               if (val == null || val.trim().length() == 0)
                   continue;

               wh = val.split(",");
               w = Integer.parseInt(wh[0]);
               h = Integer.parseInt(wh[1]);
           } catch (Exception e) {
               System.out.println("skip invalidate params : w,h = " + val);
               continue;
           }
           sb.append(w + "," + h + ";");
       }

       return sb.toString();
   }

   public void generate() {
       String[] vals = supportStr.split(";");
       for (String val : vals) {
           String[] wh = val.split(",");
           generateXmlFile(Integer.parseInt(wh[0]), Integer.parseInt(wh[1]));
       }

   }

   private void generateXmlFile(int w, int h) {

       StringBuffer sbForWidth = new StringBuffer();
       sbForWidth.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
       sbForWidth.append("<resources>");
       float cellw = w * 1.0f / baseW;

       System.out.println("width : " + w + "," + baseW + "," + cellw);
       for (int i = 1; i < baseW; i++) {
           sbForWidth.append(WTemplate.replace("{0}", i + "").replace("{1}",
                   change(cellw * i) + ""));
       }
       sbForWidth.append(WTemplate.replace("{0}", baseW + "").replace("{1}",
               w + ""));
       sbForWidth.append("</resources>");

       StringBuffer sbForHeight = new StringBuffer();
       sbForHeight.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
       sbForHeight.append("<resources>");
       float cellh = h *1.0f/ baseH;
       System.out.println("height : "+ h + "," + baseH + "," + cellh);
       for (int i = 1; i < baseH; i++) {
           sbForHeight.append(HTemplate.replace("{0}", i + "").replace("{1}",
                   change(cellh * i) + ""));
       }
       sbForHeight.append(HTemplate.replace("{0}", baseH + "").replace("{1}",
               h + ""));
       sbForHeight.append("</resources>");

       File fileDir = new File(dirStr + File.separator
               + VALUE_TEMPLATE.replace("{0}", h + "")//
               .replace("{1}", w + ""));
       fileDir.mkdir();

       File layxFile = new File(fileDir.getAbsolutePath(), "lay_x.xml");
       File layyFile = new File(fileDir.getAbsolutePath(), "lay_y.xml");
       try {
           PrintWriter pw = new PrintWriter(new FileOutputStream(layxFile));
           pw.print(sbForWidth.toString());
           pw.close();
           pw = new PrintWriter(new FileOutputStream(layyFile));
           pw.print(sbForHeight.toString());
           pw.close();
       } catch (FileNotFoundException e) {
           e.printStackTrace();
       }
   }

   public static float change(float a) {
       int temp = (int) (a * 100);
       return temp / 100f;
   }

   public static void main(String[] args) {
       int baseW = 320;
       int baseH = 400;
       String addition = "";
       try {
           if (args.length >= 3) {
               baseW = Integer.parseInt(args[0]);
               baseH = Integer.parseInt(args[1]);
               addition = args[2];
           } else if (args.length >= 2) {
               baseW = Integer.parseInt(args[0]);
               baseH = Integer.parseInt(args[1]);
           } else if (args.length >= 1) {
               addition = args[0];
           }
       } catch (NumberFormatException e) {

           System.err
                   .println("right input params : java -jar xxx.jar width height w,h_w,h_..._w,h;");
           e.printStackTrace();
           System.exit(-1);
       }

       new GenerateValueFiles(baseW, baseH, addition).generate();
   }

}