无法在androidX java中重命名视频文件

Question

confirmEdit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                try {
                    renameFile(filePath, editFileName.getText().toString());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            public void renameFile(File toBeRenamed, String new_name)
                    throws IOException {
                //need to be in the same path
                File fileWithNewName = new File(toBeRenamed.getParent(), new_name);
                if (fileWithNewName.exists()) {
                    throw new IOException("file exists");
                }
                // Rename file (or directory)
                boolean success = toBeRenamed.renameTo(fileWithNewName);
                if (!success) {
                    // File was not successfully renamed
                    Toast.makeText(MainActivity.this, "Failed", Toast.LENGTH_SHORT).show();
                }
            }
        });

null

为什么我不能重命名文件，或者我做错了什么？

Answer 1

我添加了

并且卸载了app，然后重新安装。

我可以重命名文件，后来我发现我没有在我的移动设备上启用写权限。