Scale background image to wrap content of layout

Question

I have a layout that contains some text fields and has a background image that\'s displayed at the top of my activity. I\'d like the background image to scale to wrap the c

Answer 1

Simplest solution:

ic_background.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@android:color/white" />

    <item>
        <bitmap
            android:gravity="center"
            android:src="@drawable/ic_background_image" />
    </item>

</layer-list>

& Then

android:background="@drawable/ic_background"

Answer 2

I think I've done something similar to this in the past, try playing with the gravity setting in your image view, I think one of them should do what you're after.

Answer 3

I have not tried it, but if you set the background image dynamically on the onCreate that might work. The size of the layout should already be set.

Answer 4

Work with RealtiveLayout (no mandatory but instead of FrameLayout and use android:scaleType="fitXY". Move the imageView to RealtiveLayout which contains the textviews android:id="@+id/HeaderList" and unset the background android:background="@drawable/header" at this level.

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 
         android:id="@+id/principal"
         android:layout_width="fill_parent"
         android:layout_height="fill_parent"
         android:background="@drawable/header" >

     <RelativeLayout 
         android:layout_width="fill_parent"
         android:id="@+id/HeaderList" 
         android:layout_gravity="top"
         android:layout_height="wrap_content" >  


         <ImageView
             android:id="@+id/backImg"
             android:layout_width="fill_parent"
             android:layout_height="fill_parent"
             android:layout_centerInParent="true"
             android:adjustViewBounds="true"
             android:background="@color/blancotransless"
             android:src="@drawable/header"
             android:scaleType="fitXY" >
         </ImageView>

             <TextView 
                 android:layout_height="wrap_content"
                 android:layout_width="wrap_content" 
                 android:id="@+id/NameText"
                 android:text="John Doe" 
                 android:textColor="#FFFFFF"
                 android:textSize="30sp" 
                 android:layout_alignParentLeft="true"
                 android:layout_alignParentTop="true" 
                 android:paddingLeft="4dp"
                 android:paddingTop="4dp" 
                 />
             <TextView 
                 android:layout_height="wrap_content"
                 android:layout_width="wrap_content" 
                 android:textColor="#FFFFFF"
                 android:layout_alignParentLeft="true" 
                 android:id="@+id/HoursText"
                 android:text="170 hours" 
                 android:textSize="23sp"
                 android:layout_below="@+id/NameText" 
                 android:paddingLeft="4dp" 
                 />
         </RelativeLayout> 
      </RelativeLayout>

More or less it should work!

Answer 5

I had the same problem (I think), and the only solution I could find was this:

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    >

    <View
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/some_image"
        android:layout_alignTop="@+id/actual_content"
        android:layout_alignBottom="@id/actual_content"
        android:layout_alignLeft="@id/actual_content"
        android:layout_alignRight="@id/actual_content"
        />

    <LinearLayout
        android:id="@id/actual_content"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        >

       <!-- more stuff ... -->

    </LinearLayout>

</RelativeLayout>

Answer 6

Create a drawable xml, say mybackground.xml

<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
    android:src="@drawable/header"
    android:gravity="fill" />

Then in your RelativeLayout in the first code snippet use

android:background="@drawable/mybackground"