文件管理方法

public boolean copyFile(String fromFilePath, String toFilePath) {
    if (TextUtils.isEmpty(fromFilePath) || TextUtils.isEmpty(toFilePath)) {
        Logger.Companion.info("[copyFile] fromFilePath or toFilePath path null ");
        return false;
    }
    File fromFile = new File(fromFilePath);
    if (!fromFile.exists()) {
        Logger.Companion.info("[copyFile] fromFilePath !fromFile.exists()");
        return false;
    }
    if (!fromFile.canRead()) {
        Logger.Companion.info("[copyFile] fromFilePath !fromFile.canRead()");
        return false;
    }
    //
    File toFile = new File(toFilePath);
    if (!toFile.exists()) {
        deleteFiles(toFile.getPath());
    }
    if (!toFile.getParentFile().exists()) {
        toFile.getParentFile().mkdirs();
    }
    try {
        InputStream inStream = new FileInputStream(fromFile);
        OutputStream outStream = new FileOutputStream(toFile);
        byte[] bytes = new byte[1024];
        int i = 0;
        // 将内容写到新文件当中
        while ((i = inStream.read(bytes)) > 0) {
            outStream.write(bytes, 0, i);
        }
        inStream.close();
        outStream.close();
    } catch (Exception e) {
        Logger.Companion.error("[copyFile] error:", e);
        return false;
    }
    Logger.Companion.info("[copyFile] success");
    return true;
}

public boolean deleteFiles(String filePath) {
    if (TextUtils.isEmpty(filePath)) {
        Logger.Companion.info("[copyFile] deleteFiles  filePath == null");
        return false;
    }
    File file = new File(filePath);
    if (!file.exists()) {
        Logger.Companion.info("[copyFile] deleteFiles  filePath !file.exists()");
        return false;
    }
    // 如果是文件
    if (file.isFile()) {
        return file.delete();
    } else
        // 如果是文件夹
        if (file.isDirectory()) {
            File[] childFiles = file.listFiles();
            // 文件夹没有内容,删除文件夹
            if (childFiles == null || childFiles.length == 0) {
                return file.delete();
            }
            // 删除文件夹内容
            boolean reslut = true;
            for (File item : file.listFiles()) {
                reslut = reslut && item.delete();
            }
            // 删除文件夹
            return reslut && file.delete();
        }
    return false;
}