android - How to change the height of a switch widget? -

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i want have switch widget larger , have change height of switch.

but have no solution this.

i looked @ question: change height of switch

and made drawable this:

<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android"      android:shape="rectangle"  android:width="0dp" android:height="30dp">     <solid android:color="#ff4444"  /> </shape>

then setted switch this:

<switch android:id="@+id/sw_tracklivedata" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/tv_livedata" android:layout_alignright="@+id/btn_stoptrip1" android:layout_alignleft="@+id/btn_stoptrip1" android:layout_margintop="10dp" android:thumbtextpadding="25dp" android:switchminwidth="56dp"  android:track="@drawable/roundedbutton" android:layout_centerhorizontal="true" android:textsize="20dp" />

but doesnt work. wrong. can give me example how right? or can guide me through this?

change roundedbutton.xml that:

<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android"     android:shape="rectangle" >     <size         android:height="20dp"         android:width="56dp" />     <solid android:color="#ff4444" />  </shape>

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