How to add files access permission on device android

My problem is when I am not getting files permission in the device.
Below image is showing: photos and media access are showing but files access not showing.

In the above permission access files permission not showing like below: I need below permissions including files access.

I use permision in the manifest:

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

From the MainActivity:

private static final int CAMERA_PERMISSION_CODE = 100;
private static final int STORAGE_PERMISSION_CODE = 101;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
storage = findViewById(R.id.storage);
camera = findViewById(R.id.camera);
// Set Buttons on Click Listeners
storage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
checkPermission(
Manifest.permission.WRITE_EXTERNAL_STORAGE,
STORAGE_PERMISSION_CODE);
}
});
camera.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
checkPermission(Manifest.permission.CAMERA,
CAMERA_PERMISSION_CODE);
}
});
}
// Function to check and request permission.
public void checkPermission(String permission, int requestCode)
{
if (ContextCompat.checkSelfPermission(MainActivity.this, permission)
== PackageManager.PERMISSION_DENIED) {
// Requesting the permission
ActivityCompat.requestPermissions(MainActivity.this,
new String[] { permission },
requestCode);
}
else {
Toast.makeText(MainActivity.this,
"Permission already granted",
Toast.LENGTH_SHORT)
.show();
}
}
@Override
public void onRequestPermissionsResult(int requestCode,
@NonNull String[] permissions,
@NonNull int[] grantResults)
{
super
.onRequestPermissionsResult(requestCode,
permissions,
grantResults);
if (requestCode == CAMERA_PERMISSION_CODE) {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(MainActivity.this,
"Camera Permission Granted",
Toast.LENGTH_SHORT)
.show();
}
else {
Toast.makeText(MainActivity.this,
"Camera Permission Denied",
Toast.LENGTH_SHORT)
.show();
}
}
else if (requestCode == STORAGE_PERMISSION_CODE) {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(MainActivity.this,
"Storage Permission Granted",
Toast.LENGTH_SHORT)
.show();
}
else {
Toast.makeText(MainActivity.this,
"Storage Permission Denied",
Toast.LENGTH_SHORT)
.show();
}
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode,
@NonNull String[] permissions,
@NonNull int[] grantResults)
{
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == STORAGE_PERMISSION_CODE) {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(MainActivity.this,
"Storage Permission Granted",
Toast.LENGTH_SHORT)
.show();
}
else {
Toast.makeText(MainActivity.this,
"Storage Permission Denied",
Toast.LENGTH_SHORT)
.show();
}
}
}

Changing the targetSdkVersion from 30 to 29 in my build.gradle file changed the dialog for me from photos/media to photos/media/files. I believe it has something to do with how API 30 is more strict with scoped storage.

Adding the below line in the Application portion of Manifest

android:requestLegacyExternalStorage="true"

solves the problem.