android 屏幕适配之自动生成多重values

• android 屏幕适配之自动生成多重values

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

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

	private String dirStr = "./res";
 
	private final static String WTemplate = "{1}px\n";
	private final static String HTemplate = "{1}px\n";
 
	/**
	 * {0}-HEIGHT
	 */
	private final static String VALUE_TEMPLATE = "values-{0}x{1}";
 
	private static final String SUPPORT_DIMESION = "320,480;480,800;600,800;480,854;540,854;540,960;640,960;600,1024;768,1024;735,1152;720,1208;720,1184;720,1196;720,1280;768,1024;768,1280;800,1280;750,1334;1080,1700;1080,1776;1080,1800;1080,1812;1080,1920;1440,2560;1600,2560;1440,2880;3200,4500;";
 
	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("\n");
		sbForWidth.append("");
		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("");
 
		StringBuffer sbForHeight = new StringBuffer();
		sbForHeight.append("\n");
		sbForHeight.append("");
		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("");
 
		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 = 1080;
		int baseH = 1920;
		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();
	}
 
}

• 运行里面的main方法即可实现

生成文件位置 【项目所在位置】/res/