gen already exists but is not a source folder. Convert to a source folder or rename it.

本文介绍了解决Android项目导入时出现的重复空包等问题的方法,包括调整Java编译级别及处理gen文件夹已存在但不是源文件夹的问题。

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遇到android项目导入出现后重复空包等错误,往往是导入的java编译级别有关,点击项目properties->

java Compiler ->修改Compiler compliance level 一般是1.6。

修改完成clean项目之后,往往还会遇到:

XX/gen already exists but is not a source folder. Convert to a source folder or rename it的错误。

 

 

遇到这个问题的解决方法:

 1. 右键点击工程,选择 "Properties"

2. 选择左边的 "Java Build Path" 

3. 打开 "Source" 标签面板

4. 点击 "Add Folder..."

5. 勾选 "gen" 文件夹,点击OK,点击YES,再点击OK

6. 最后右键点击工程,选择 "Andriod Tools" 里面的 "Fix Project Properties"


import os import shutil def check_file_or_directory_exists(path): if os.path.exists(path): if os.path.isfile(path): return "File exists" elif os.path.isdir(path): return "Directory exists" return None else: return "Path does not exist" def read_file_content(file_path): try: with open(file_path, 'r', encoding='utf-8') as file: content = file.read() return content except FileNotFoundError: return "File not found." except Exception as e: return str(e) def write_file_content(file_path, content): try: with open(file_path, 'w', encoding='utf-8') as file: file.write(content) return "File written successfully." except FileNotFoundError: return "File not found." except Exception as e: return str(e) def copy_entire_folder(src_dir, dest_dir): try: shutil.copytree(src_dir, dest_dir) return "Folder copied successfully." except FileExistsError: return "Destination directory already exists." except Exception as e: return str(e) def main(): backup_dir = input("请输入备份的目录: ") file_to_backup = input("请输入要备份的文件或文件夹: ") dir_status = check_file_or_directory_exists(backup_dir) if dir_status == "Path does not exist": os.makedirs(backup_dir) file_status = check_file_or_directory_exists(file_to_backup) if file_status == "File exists": file_content = read_file_content(file_to_backup) backup_file_path = os.path.join(backup_dir, os.path.basename(file_to_backup)) result = write_file_content(backup_file_path, file_content) print(result) elif file_status == "Directory exists": backup_folder_path = os.path.join(backup_dir, os.path.basename(file_to_backup)) result = copy_entire_folder(file_to_backup, backup_folder_path) print(result) else: print("要备份的文件或文件夹不存在") if __name__ == "__main__": main()
05-11
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