在内部存储中创建新文件异常：java.io.IOException:open失败：enoint（没有这样的文件或目录）

我试图在android设备的内部存储器中创建新文件，但我得到的例外是没有这样的文件或目录

这是我的密码：-

String APP_PATH_SD_CARD = "/XYZ/";
String APP_THUMBNAIL_PATH_SD_CARD = "Demodir";
String fullPath = Environment.getExternalStorageDirectory().getAbsolutePath() + APP_PATH_SD_CARD + APP_THUMBNAIL_PATH_SD_CARD;
File myFile,dir;

try {
        dir = new File(fullPath);
        if (!dir.exists()) {
            dir.mkdir();
        }
        myFile = new File(fullPath, "Vitals.txt");
        if (myFile.exists()) {
            myFile.delete();
            myFile.createNewFile();
        } else {
            myFile.createNewFile();
        }

        Toast.makeText(getBaseContext(),"File 'Vitals.txt' Created",Toast.LENGTH_SHORT).show();
    } catch (Exception e) {
        Toast.makeText(getBaseContext(), e.getMessage(),Toast.LENGTH_SHORT).show();
    }

AndroidManifest.xml

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_INTERNAL_STORAGE" />

---

使用

File.septor

而不是斜杠

\'\'

或

'/'

以获得更好的性能

像

---

你在哪个Android版本上测试这个

String APP_PATH_SD_CARD = "XYZ";
String APP_THUMBNAIL_PATH_SD_CARD = "Demodir";

String fullPath = Environment.getExternalStorageDirectory().getAbsolutePath() 
+ File.seprator+APP_PATH_SD_CARD+File.seprator+APP_THUMBNAIL_PATH_SD_CARD;