给android图像设置圆角样式（Android Shapes – Example）(quoted)

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Android Shapes – Example

Posted on July 19, 2011 by Lars Vogel

In Android you can use Shape Drawables to define background, borders and gradients for your Views. You find the possible types here.

To define a shape create a XML file in your drawable folder. For example:

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<?xml version="1.0" encoding="UTF-8"?> 
<shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
     <stroke android:width="2dp" android:color="#FFFFFFFF" />
     <gradient android:startColor="#DD000000" android:endColor="#DD2ECCFA" 
            android:angle="225"/>
 
    <corners android:bottomRightRadius="7dp" android:bottomLeftRadius="7dp" 
     android:topLeftRadius="7dp" android:topRightRadius="7dp"/> 
</shape>
        

Assign it for example to a LinearLayout.

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent" android:background="@drawable/myshape">
    <EditText android:layout_width="fill_parent" android:text="1"
        android:layout_height="wrap_content" android:id="@+id/editText1"
        android:inputType="numberSigned"
        android:layout_margin="5dip" android:gravity="center">
        <requestFocus></requestFocus>
    </EditText>
    <Button android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:id="@+id/button1"
        android:text="@string/start"></Button>
</LinearLayout>

And you get:

instead of

I hope this helps.