Limit wifi password to ascii chars

                    android:layout_height="wrap_content"

                    android:singleLine="true"

                    android:password="true"

                    android:maxLength="63" />

                    android:maxLength="63"

                    android:imeOptions="flagForceAscii" />

            <TextView android:id="@+id/hint"

                    style="?android:attr/textAppearanceSmall"