Customizing xml drawable resource with image for background in Android -


i developing android app. in app, opening activity dialog. activity background, want set image whole background, border radius. created background xml resource this.

<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >     <item android:drawable="@drawable/match_background_image" />     <item>         <shape android:shape="rectangle" android:padding="10dp">             <corners                 android:bottomrightradius="5dp"                 android:bottomleftradius="5dp"                 android:topleftradius="5dp"                 android:toprightradius="5dp"/>         </shape>     </item>  </layer-list>

i set resource background of linearlayout. when open activity, this

enter image description here

as can see there no border radius @ corners. besides, want want set scaletype cropcenter image. please possible done in xml resource please? if can be, how can fix code please? if cannot, best way please? please me.

i can give better way, have use alternative. can use cardview in android make corners round shape.

to add cardview use following in gradle dependencies,

compile 'com.android.support:cardview-v7:25.1.1'

the in activity need open dialog, change xml follows,

<?xml version="1.0" encoding="utf-8"?> <android.support.v7.widget.cardview xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:card_view="http://schemas.android.com/apk/res-auto"     android:id="@+id/activity_dialog"     android:layout_width="match_parent"     android:layout_height="match_parent"     card_view:cardcornerradius="10dp">      <imageview         android:layout_width="match_parent"         android:layout_height="match_parent"         android:background="@drawable/your_image"/>  </android.support.v7.widget.cardview>

if using activity extend appcompatactivity below,

i.e. dialogactivity extends appcompatactivity

you need change activity theme in android manifests below,

<activity android:name=".dialogactivity"             android:theme="@style/theme.appcompat.dialog"></activity>

else

<activity android:theme="@android:style/theme.dialog" />

haaaaa, hard part finished, thing need call

startactivity(new intent(this, dialogactivity.class));

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