radio button - Android RadioButton icon disappears when singleline set to true and text gravity set to right -


i found weird situation on android radiobutton, when set singleline true , setgravity right, radio icon disappears. know causes problem , how make shows icon while setting singleline true , gravity right? xml file: 

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:orientation="vertical" >      <radiobutton         android:id="@+id/radio1"         android:layout_width="fill_parent"         android:layout_height="40dp"         android:clickable="false"         android:focusable="false"         android:focusableintouchmode="false"         android:gravity="right|center_vertical"         android:background="#ff0000"         android:text="hello"          android:singleline="true"         />      <radiobutton         android:id="@+id/radio2"         android:layout_width="fill_parent"         android:layout_height="40dp"         android:clickable="false"         android:focusable="false"         android:focusableintouchmode="false"         android:gravity="right|center_vertical"         android:background="#00ff00"         android:text="hello2"          />  </linearlayout>

and here looks like: enter image description here

notice first radiobutton, icon gone.


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