Android switch/ toggle button/slider

Android - material toggle button.md

####view

<android.support.v7.widget.SwitchCompat
        android:id="@+id/Switch"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textOff=""
        android:text="Toggle Switch"
        android:background="@android:color/transparent"
        android:textColor="@color/secondary_text"
        android:textOn=""
        android:button="@null"
        android:padding="20dp"/>

####activity/ fragment

swt = (SwitchCompat)findViewById(R.id.Switch);
swt.setOnCheckedChangeListener (this);
swt.setChecked (true);