public class VehicleInfoActivity extends Activity {

    private EditText mLicence;


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_vehicle_info);

        mLicence = (EditText) findViewById(R.id.licensePlate);

        mLicence.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
            }

            @Override
            public void afterTextChanged(Editable s) {
                    String pattern = "X000XX000";

                    if (text.length() < pattern.length() && pattern.charAt(text.length()) == '0') {
                        mLicence.setInputType(InputType.TYPE_CLASS_PHONE);
                    } else {
                        mLicence.setInputType(InputType.TYPE_CLASS_TEXT);
                    }
            }
        });
    }
}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".activities.VehicleInfoActivity">

    <EditText
        android:id="@+id/licensePlate"
        android:layout_width="150pt"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
    />

</RelativeLayout>