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What I'm trying to do is define a common background for use in a LinearLayout which frequents my application on many of its Activitys. This particular layout is a header that shows on the top of each activity.
What I'm trying to do is create a drawable that fills the linearlayout with a gradient and has a horizontal line below the gradient.
Does anyone know if this is possible or do I have to do this sort of thing only with nested layouts.
My attemptat the drawable xml is
<selector xmlns:android="http://schemas.android.com/apk/res/android"> <item> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"> <gradient android:startColor="#AA000000" android:endColor="#AA333333" android:angle="270" /> </shape> </item> <item> <shape android:shape="line"> <stroke android:width="3dp" android:color="#FFFFFFFF" android:dashWidth="1dp" android:dashGap="2dp" /> <size android:height="5dp" /> </shape> </item> </selector> 
765
A ShapeDrawable takes a Shape object and manages its presence on the screen. If no Shape is given, then the ShapeDrawable will default to a RectShape . This object can be defined in an XML file with the <shape> element.
Sometimes you want an outline around your shape and to do that you can use the stroke tag. You can specify the width and color of the outline using android:width and android:color. Since your shape is a rectangle, you can round rectangle's corners. You can do that inside of the corners tag.
A drawable resource is a general concept for a graphic that can be drawn to the screen and which you can retrieve with APIs such as getDrawable(int) or apply to another XML resource with attributes such as android:drawable and android:icon . There are several different types of drawables: Bitmap File.
Drawable accepts multiple shapes, (defined always in others files) if i understand your question maybe you can do a Layer drawable (this draws multiple underlying drawables on top of each other)
i write this here, so, i dont tested, but try this and read this fantastic documentation.
<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/shape_7"/> <item android:drawable="@drawable/shape_1"/> </layer-list> the android complete xml resources
cheers
115
Use gravity to set your items in layer-list.
for vertical orientation use: android:gravity="top" android:gravity="center" android:gravity="bottom"
for horizontal orientation use: android:gravity="left" android:gravity="center" android:gravity="right"
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item> <bitmap android:src="@drawable/top_img" android:gravity="top"/> </item> <item> <bitmap android:src="@drawable/center_img" android:gravity="center"/> </item> <item> <bitmap android:src="@drawable/bottom_img" android:gravity="bottom"/> </item> </layer-list> Be sure that the parent element has enough space to hold all the items! Otherwise they will overlap each other
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