思想：屏幕宽度的总像素分为320等份，屏幕高度的总像素分为480等份
在电脑桌面创建“layoutroot”适配文件：
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintWriter;
public class MakeXml {
private final static String rootPath = "C:\\Users\\Administrator\\Desktop\\layoutroot\\values-{0}x{1}\\";
private final static float dw = 320f;
private final static float dh = 480f;
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";
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(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 < 320; i++) {
sb.append(WTemplate.replace("{0}", i + "").replace("{1}",
change(cellw * i) + ""));
}
sb.append(WTemplate.replace("{0}", "320").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 < 480; i++) {
sb2.append(HTemplate.replace("{0}", i + "").replace("{1}",
change(cellh * i) + ""));
}
sb2.append(HTemplate.replace("{0}", "480").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;
}
}
对于没有生成对应分辨率文件的手机，会使用默认values文件夹，在默认values里面也创建对应文件，但是里面的数据却不好处理，因为不知道分辨率，只好默认为x1=1dp保证尽量兼容。