初学Android适配——生成适配文件的工具类MakeXml

package sliding.pz.com.makexml;

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

/**
* Created by lenovo on 2016/12/2.
*/

public class MakeXml {
// 生成地址 C盘layoutroot目录下
private final static String rootPath = "C:\\layoutroot\\values-{0}x{1}\\";

/**
* 设置基准分辨率
* 一般标注按照多大的图标，这里我们就设置多大尺寸
*/
private final static float dw = 720f;
private final static float dh = 1280f;

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";

// 手机分辨率
public static void main(String [] args){
makeString(320, 480);
makeString(480, 800);
makeString(480, 854);
makeString(540, 960);
makeString(600, 1024);
makeString(720, 1184);
makeString(720, 1196);
makeString(720, 1280);
makeString(768, 1024);
makeString(800, 1280);
makeString(900, 1440);
makeString(1080, 1812);
makeString(1080, 1920);
makeString(1440, 2560);

}

public static void makeString(int w, int h) {

StringBuffer sb = new StringBuffer();
sb.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
sb.append("<resources>");
float cellw = w / dw;
for (int i = 1; i < dw; i++) {
sb.append(WTemplate.replace("{0}", i + "").replace("{1}", change(cellw * i) + ""));
}
sb.append(WTemplate.replace("{0}", "720").replace("{1}", w + ""));
sb.append("</resources>");

StringBuffer sb2 = new StringBuffer();
sb2.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
sb2.append("<resources>");
float cellh = h / dh;
for (int i = 1; i < dh; i++) {
sb2.append(HTemplate.replace("{0}", i + "").replace("{1}", change(cellh * i) + ""));
}
sb2.append(HTemplate.replace("{0}", "1280").replace("{1}", h + ""));
sb2.append("</resources>");

String path = rootPath.replace("{0}", h + "").replace("{1}", w + "");
File rootFile = new File(path);
if (!rootFile.exists()) {
rootFile.mkdirs();
}
File layxFile = new File(path + "lay_x.xml");
File layyFile = new File(path + "lay_y.xml");
try {
PrintWriter pw = new PrintWriter(new FileOutputStream(layxFile));
pw.print(sb.toString());
pw.close();
pw = new PrintWriter(new FileOutputStream(layyFile));
pw.print(sb2.toString());
pw.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}

}

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

}