android - Using drawable resources -


i have problem, see trace stack: 

e/androidruntime(2410): caused by: org.xmlpull.v1.xmlpullparserexception: binary xml file line #5: <bitmap> requires valid src attribute

my xml file looks like:

<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >     <item>         <bitmap android:src="@drawable/btn_1"/>     </item> </layer-list>

btn_1 xml file in drawable resources when i'm using image(*.png) instead of xml drawable it's ok.

can use drawable resource src bitmap? in case here btn_1.xml file. doesn't work if btn_1 file have no items.

<layer-list xmlns:android="http://schemas.android.com/apk/res/android" > <item android:drawable="@drawable/btn_arrow_bg_red"/> <item>     <bitmap         android:gravity="center"         android:src="@drawable/btn_arrow_white" /> </item> </layer-list>

you cant have xml drawable source bitmap. because example if possible, mistakenly create black-hole calling xml itself.

lets suppose, have xml drawable a has bitmap whos source drawable b. in drawable b, has bitmap whos source drawable a. create circular loop cant resolved. why need provide image source bitmap avoid confusion


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