APP_Activiy_Custom Dialog

[Manifest.xml]

<activity android:name=".app.CustomDialogActivity"
                android:label="@string/activity_custom_dialog"
                android:theme="@style/Theme.CustomDialog">

[styles.xml]

    <style name="Theme.CustomDialog" parent="android:style/Theme.Dialog">
        <item name="android:windowBackground">@drawable/filled_box</item>
    </style>

[filled_box.xml]

<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#f0600000"/>
    <stroke android:width="3dp" color="#ffff8080"/>
    <corners android:radius="3dp" />
    <padding android:left="10dp" android:top="10dp"
        android:right="10dp" android:bottom="10dp" />
</shape>