android - Change shape solid color at runtime inside Drawable xml used as background -


i've drawable xml file (background.xml):

<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >     <item>         <shape>          ...........         </shape>     </item>      <item android:id="@+id/shape_id">         <shape android:shape="rectangle">             <solid android:color="#ffefefef" />          </shape>     </item>  </layer-list>

used linearlayout:

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:background="@drawable/background"     android:id="@+id/layout_id"     >

now need change shape shape_id solid color @ runtime based on conditions. how this?

found me:

    view v = findviewbyid(r.id.layout_id);      layerdrawable bgdrawable = (layerdrawable)v.getbackground();     final gradientdrawable shape = (gradientdrawable)   bgdrawable.finddrawablebylayerid(r.id.shape_id);     shape.setcolor(----);

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