自动生成dimens.xml文件方式 优势:在默认values下调一种分辨率的dimens.xml文件 然后利用工具自动生成其他分辨率下的dimens.xml文件(就是整体放大或缩小多少倍)
可以快速粗略的做到适配多分辨率 至于我天朝的特殊分辨率那就只能慢慢人工调了 总体来说这种方式可以提高效率,可以在小项目中尝试一下!
工具类代码,直接运行即可,(如果提示 Invalid layout of preloaded class 错误 项目设置如下即可
- Project->Properties->Run/Debug
Settings; - Select your Class(DimenTool.java) and click "Edit";
- Open the tab "Classpath" and remove Android
Lib from "Bootstrap Entries"; - Apply everything and Run the class
again.
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
/**
* 根据values/dimens.xml, 自动计算比例并生成不同分辨率的dimens.xml
* 注意用dp和sp,不要用dip,否则生成可能会出错;xml值不要有空格
* Created by zhangxitao on 15/9/22.
*/
public class DimenTool {
public static void gen() {
File file = new File("./app/src/main/res/values/dimens.xml");//这里如果找不到使用绝对路径即可
BufferedReader reader = null;
//添加分辨率
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);
int num = Integer.valueOf(tempString.substring(tempString.indexOf(">") + 1, tempString.indexOf("</dimen>") - 2));
//主要核心就再这里了,如下3种分辨率分别缩小 0.6、0.75、0.9倍(根据实际情况自己随意DIY)
sw480.append(start).append((int) Math.round(num * 0.6)).append(end).append("\n");
sw600.append(start).append((int) Math.round(num * 0.75)).append(end).append("\n");
sw720.append(start).append((int) Math.round(num * 0.9)).append(end).append("\n");
sw800.append(tempString).append("\n");
w820.append(tempString).append("\n");
} else {
sw480.append(tempString).append("\n");
sw600.append(tempString).append("\n");
sw720.append(tempString).append("\n");
sw800.append(tempString).append("\n");
w820.append(tempString).append("\n");
}
line++;
}
reader.close();
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 sw480file = "./app/src/main/res/values-sw480dp-land/dimens.xml";
String sw600file = "./app/src/main/res/values-sw600dp-land/dimens.xml";
String sw720file = "./app/src/main/res/values-sw720dp-land/dimens.xml";
String sw800file = "./app/src/main/res/values-sw800dp-land/dimens.xml";
String w820file = "./app/src/main/res/values-w820dp/dimens.xml";
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();
}
}
}
}
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();
}
}
转自:http://www.mobile-open.com/2015/83787.html