android studio how to clear input on edit text code example

Example 1: android cleartext http

<manifest ...>
    <uses-permission android:name="android.permission.INTERNET" />
    <application
        android:usesCleartextTraffic="true"
        ...>
        ...
    </application>
</manifest>

Example 2: android studio delete text file

File dir = getFilesDir();
File file = new File(dir, "my_filename");
boolean deleted = file.delete();