Is there a way to get a gradient effect or a semi-transparant effect when setting the background color of a view? For example, this code:
selView.setBackgroundColor(Color.rgb(240, 128, 128)); // light red
highlights a selected view in a list view. Either a gradient or a background would be cool.
You would first need to create a gradient in xml.
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient
android:startColor="#FFFF00FF"
android:endColor="#FFFFFFFF"
android:angle="270"/>
</shape>
You should add this to one of your drawables.xml. You should then be able to apply this to your ListView in xml.
android:background=@drawable/yourdrawable
or
setBackgroundResource(R.drawable.yourdrawable);
i will give you a sample code
<item android:state_pressed="true" >
<shape>
<gradient
android:startColor="#ff5500"
android:endColor="#999999"
android:angle="270" />
<stroke
android:width="3dp"
android:color="#999999" />
<corners
android:radius="3dp" />
<padding
android:left="10dp"
android:top="10dp"
android:right="10dp"
android:bottom="10dp" />
</shape>
</item>
<item android:state_focused="true" >
<shape>
<gradient
android:endColor="#ff5500"
android:startColor="#999999"
android:angle="270" />
<stroke
android:width="3dp"
android:color="#999999" />
<corners
android:radius="3dp" />
<padding
android:left="10dp"
android:top="10dp"
android:right="10dp"
android:bottom="10dp" />
</shape>
</item>
<item>
<shape
android:shape="rectangle">
<gradient android:type="radial" android:gradientRadius="50"
android:startColor="#999999" android:endColor="#000000" />
<!-- <corners-->
<!-- android:radius="10dp" />-->
<corners android:bottomRightRadius="7dp" android:bottomLeftRadius="7dp"
android:topLeftRadius="7dp" android:topRightRadius="7dp"/>
</shape>
</item>
</selector>
apply this to your view from drawable
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