How to make transparent gradient?

I have the following gradient:

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<gradient
android:startColor="#ECECEC"
android:centerColor="#F6F6F4"
android:endColor="#F8F8F6"
android:angle="90"
android:dither="true"
/>
</shape>

我希望这是透明的，因为在我的列表视图中，我将其设置为我的列表选择器:

<ListView android:layout_width="fill_parent"
android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/ARListView"
android:background="@drawable/transparent_background"
android:cacheColorHint="#00000000" android:drawSelectorOnTop="true"
android:listSelector="@drawable/stocks_selected_gradient">
</ListView>

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最佳答案

Just use an 8-digit color value, e.g. #FFF8F8F6, where the first two characters are the alpha value. FF being fully opaque, and 00 being fully transparent.

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android:background="#00000000" android:cacheColorHint="#00000000"

this will make is transparent however, this is to make it a full transparency...

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You can try the following code :

<gradient android:startColor="#hex_of_any_color" android:endColor="#00000"/>