java - Android: api 16 draws outline of rectangle as filled rectangle -

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the following code on api 21 shows outline of rectangle black border of 1 px width:

<?xml version="1.0" encoding="utf-8"?>  <shape xmlns:android="http://schemas.android.com/apk/res/android"     android:shape="rectangle">     <stroke android:width="1dp" android:color="#000000" />     <size android:width="300dp" android:height="50dp"/>  </shape>

however, on api 16 i'm seeing solid black rectangle. why , there workaround?

edit: in logcat i'm seeing continuous messages of:

hardwarerenderer﹕ draw surface valid dirty= rect(107, 214 - 109, 251)

i had same problem few weeks ago. added transparent solid. try with:

<?xml version="1.0" encoding="utf-8"?>  <shape xmlns:android="http://schemas.android.com/apk/res/android"     android:shape="rectangle">     <stroke android:width="1dp" android:color="#000000" />     <size android:width="300dp" android:height="50dp"/>     <solid android:color="@android:color/transparent" /> </shape>

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