android dimens.xml不同分辨率生成工具类

谁借莪１个温暖的怀抱￠ 2022-06-09 03:21 182阅读 0赞

public class DimenTool {
        static String path;
    
        public static void gen() {
            //XML file under this folder is the initial value reference
            File file = new File("./src/com/zcn/res/dimens.xml");
            path = file.getAbsolutePath();
            path = path.substring(0, path.indexOf(".")-1);
            path = path.replace("\\","/");
            System.out.println("输出文件路径："+path);
    
            BufferedReader reader = null;
            StringBuilder w480_320dp = new StringBuilder();
            StringBuilder w480_800dp = new StringBuilder();
            StringBuilder w1920_1080dp = new StringBuilder();
            //StringBuilder w1280_720dp = new StringBuilder();
    
            try {
                System.out.println("生成不同分辨率：");
                reader = new BufferedReader(new FileReader(file));
                String tempString;
                int line = 1;
    
                // Read in one line at a time, until null is the end of the file
                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);
                        //cut down the value in dimen tag
                        double num = Double.parseDouble
                                (tempString.substring(tempString.indexOf(">") + 1,
                                        tempString.indexOf("</dimen>") - 2));
    
                        //depending different size,calculate new value, Joining together new string
                        w480_320dp.append(start).append(num * 0.5).append(end).append("\r\n");
                        w480_800dp.append(start).append(num * 0.75).append(end).append("\r\n");
                        w1920_1080dp.append(start).append(num * 1.5).append(end).append("\r\n");
                    } else {
                        w480_320dp.append(tempString).append("");
                        w480_800dp.append(tempString).append("");
                        w1920_1080dp.append(tempString).append("");
                    }
                    line++;
                }
    
                reader.close();
    
                String w480_320file = "./src/com/zcn/res/w480_320dp/dimens.xml";
                String w480_800file = "./src/com/zcn/res/w480_800dp/dimens.xml";
                String w1920_1080file = "./src/com/zcn/res/w1920_1080dp/dimens.xml";
    
                createFile(w480_320file ,w480_320dp.toString());
                createFile(w480_800file , w480_800dp.toString());
                createFile(w1920_1080file , w1920_1080dp.toString());
    
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if (reader != null) {
                    try {
                        reader.close();
                    } catch (IOException e1) {
                        e1.printStackTrace();
                    }
                }
            }
        }
    
        public static boolean createFile(String destFileName,String info) {  
            destFileName = path+destFileName.substring(destFileName.indexOf(".")+1);
            System.out.println("文件名："+destFileName);
            File file = new File(destFileName);  
            if(!file.exists()){
                //判断目标文件所在的目录是否存在 
                if(!file.getParentFile().exists()) {  
                    //如果目标文件所在的目录不存在，则创建父目录 
                    System.out.println("目标文件所在目录不存在，准备创建它！"+file.getParentFile());  
                    if(!file.getParentFile().mkdirs()) {  
                        System.out.println("创建目标文件所在目录失败！");  
                        return false;  
                    }  
                }  
                //创建目标文件 
                try {  
                    if (file.createNewFile()) {  
                        System.out.println("创建单个文件" + destFileName + "成功！"); 
                        writeFile(destFileName,info);
                        return true;  
                    } else {  
                        System.out.println("创建单个文件" + destFileName + "失败！");  
                        return false;  
                    }  
                } catch (IOException e) {  
                    e.printStackTrace();  
                    System.out.println("创建单个文件" + destFileName + "失败！" + e.getMessage());  
                    return false;  
                }  
            } 
            return true;
        }  
    
        /** * write method */
    
        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();
        }
    }