Shape Drawable Not Working?

Solution 1:

use this code,

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:top="4dp"
        android:right="4dp"
        android:bottom="4dp"
        android:left="4dp">
        <shape
            android:shape="oval">
            <solid android:color="#ff0000" />
        </shape>
    </item>
    <item>
        <shape
            android:shape="oval">
            <stroke android:width="2dp"
                android:color="#ff0000"/>
        </shape>
    </item>
</layer-list>

using ring shape

<?xml version="1.0" encoding="utf-8"?>
<shape
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="ring"
    android:innerRadius="15dp"
    android:thickness="10dp"
    android:useLevel="false">
    <solid android:color="#ff0000" />

</shape>

Solution 2:

You can try like this for ring shape with fill transparent. set this drawable to your control.

<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
  <corners android:radius="10dip" /> 
  <stroke android:width="2dip" android:color="@color/white" /> 
  <size android:width="100dp" android:height="100dp" /> 
  <solid android:color="@android:color/transparent" /> 
  </shape>

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