blocks|key|547935|text|创建一个XML文件，在可绘制的(比如backwithborder.xml)中包含以下内容：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|547936|<shape+xmlns:android="http://schemas.android.com/apk/res/android"
++++android:shape="rectangle">
++++<solid+android:color="#00000000"+/>
++++<stroke+android:width="1dip"+android:color="#ffffff"+/>
</shape>|code-block|syntax|javascript|547937|对于EditText用户属性android:background="@drawable/backwithborder"|offset|length|style|CODE|547938|entityMap^0|0|0|E|19|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Create a XML file with the following in drawable (say backwithborder.xml):

<pre><code>&lt;shape xmlns:android="http://schemas.android.com/apk/res/android"
 android:shape="rectangle"&gt;
 &lt;solid android:color="#00000000" /&gt;
 &lt;stroke android:width="1dip" android:color="#ffffff" /&gt;
&lt;/shape&gt;
</code></pre>

and for the EditText user attribute <code>android:background="@drawable/backwithborder"</code>

blocks|key|547905|text|要将edittext的背景设置为透明，可以使用以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|547906|android:background="@null"|code-block|syntax|javascript|547907|请参阅以下链接|547908|Android+EditText+Transparent+Background|offset|length|547909|setting+the+background+attribute+to+transparent+in+editext+dynamically|547910|Overriding+onDraw()+for+an+EditText+widget+with+a+blank+implementation+has+no+effect|547911|http://www.androidworks.com/changing-the-android-edittext-ui-widget|547912|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/5712378/android-edittext-transparent-background|1|https://stackoverflow.com/questions/5298452/setting-the-background-attribute-to-transparent-in-editext-dynamically|2|https://stackoverflow.com/questions/3945143/overriding-ondraw-for-an-edittext-widget-with-a-blank-implementation-has-no-ef|3^0|0|0|0|0|13|0|0|0|1Y|1|0|0|2C|2|0|0|1V|3|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|16|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|17|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|18|8|@]|9|@$K|19|L|1A|1|1B]]|A|$]]|$1|M|3|N|5|6|7|1C|8|@]|9|@$K|1D|L|1E|1|1F]]|A|$]]|$1|O|3|P|5|6|7|1G|8|@]|9|@$K|1H|L|1I|1|1J]]|A|$]]|$1|Q|3|R|5|6|7|1K|8|@]|9|@$K|1L|L|1M|1|1N]]|A|$]]|$1|S|3|-4|5|6|7|1O|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]|10|$5|V|W|X|A|$Y|11]]|12|$5|V|W|X|A|$Y|13]]|14|$5|V|W|X|A|$Y|R]]]]

To set the background of edittext to transparent you can use following :

<pre><code>android:background="@null"
</code></pre>

See following links

<a href="https://stackoverflow.com/questions/5712378/android-edittext-transparent-background">Android EditText Transparent Background</a>

<a href="https://stackoverflow.com/questions/5298452/setting-the-background-attribute-to-transparent-in-editext-dynamically">setting the background attribute to transparent in editext dynamically</a>

<a href="https://stackoverflow.com/questions/3945143/overriding-ondraw-for-an-edittext-widget-with-a-blank-implementation-has-no-ef">Overriding onDraw() for an EditText widget with a blank implementation has no effect</a>

<a href="http://www.androidworks.com/changing-the-android-edittext-ui-widget" rel="nofollow noreferrer">http://www.androidworks.com/changing-the-android-edittext-ui-widget</a>

blocks|key|4669177|text|当用户关注EditText时，安卓操作系统本身就会为它添加边框。颜色取决于操作系统版本。有时我们可能想要摆脱默认的焦点边框，有一种方法可以做到这一点。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4669178|我们可以将背景颜色保持为透明，以删除焦点上的EditText边框。|4669179|+++++<EditText+
+++++++++android:layout_width="fill_parent"
+++++++++android:layout_height="wrap_content"
+++++++++android:background="#00000000"
++++++/>|code-block|syntax|javascript|4669180|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Android OS itself adds border to EditText when user focus on it. The color depends on the OS version. Sometimes we might want to get rid of default focus border and there is a way to do it.

We can keep the background color as transparent to remove the EditText border on focus.

<pre><code> &lt;EditText 
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:background="#00000000"
 /&gt;
</code></pre>

blocks|key|547982|text|现在回答已经太晚了，但我为新开发人员写了这段代码：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|547983|<?xml+version="1.0"+encoding="utf-8"?>
<selector+xmlns:android="http://schemas.android.com/apk/res/android">
<item+android:state_focused="true">
++++<layer-list>
++++++++<item>
++++++++++++<shape+android:shape="rectangle">
++++++++++++++++<stroke+android:width="2dp"+android:color="@color/components_colorPrimaryDark"+/>
++++++++++++++++<solid+android:color="@color/components_white"+/>
++++++++++++</shape>
++++++++</item>

++++++++<item+android:bottom="2dp">
++++++++++++<shape+android:shape="rectangle">
++++++++++++++++<solid+android:color="@color/components_white"+/>
++++++++++++</shape>
++++++++</item>
++++</layer-list>
</item>
<item+android:state_focused="false">
++++<layer-list>
++++++++<item>
++++++++++++<shape+android:shape="rectangle">
++++++++++++++++<stroke+android:width="1dp"+android:color="@color/components_colorAccent"+/>
++++++++++++++++<solid+android:color="@color/components_white"+/>
++++++++++++</shape>
++++++++</item>

++++++++<item+android:bottom="1dp">
++++++++++++<shape+android:shape="rectangle">
++++++++++++++++<solid+android:color="@color/components_white"+/>
++++++++++++</shape>
++++++++</item>
++++</layer-list>
</item>|code-block|syntax|javascript|547984|​|547985|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

It's so late for answered but I wrote this code for new developers:

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;selector xmlns:android="http://schemas.android.com/apk/res/android"&gt;
&lt;item android:state_focused="true"&gt;
 &lt;layer-list&gt;
 &lt;item&gt;
 &lt;shape android:shape="rectangle"&gt;
 &lt;stroke android:width="2dp" android:color="@color/components_colorPrimaryDark" /&gt;
 &lt;solid android:color="@color/components_white" /&gt;
 &lt;/shape&gt;
 &lt;/item&gt;

 &lt;item android:bottom="2dp"&gt;
 &lt;shape android:shape="rectangle"&gt;
 &lt;solid android:color="@color/components_white" /&gt;
 &lt;/shape&gt;
 &lt;/item&gt;
 &lt;/layer-list&gt;
&lt;/item&gt;
&lt;item android:state_focused="false"&gt;
 &lt;layer-list&gt;
 &lt;item&gt;
 &lt;shape android:shape="rectangle"&gt;
 &lt;stroke android:width="1dp" android:color="@color/components_colorAccent" /&gt;
 &lt;solid android:color="@color/components_white" /&gt;
 &lt;/shape&gt;
 &lt;/item&gt;

 &lt;item android:bottom="1dp"&gt;
 &lt;shape android:shape="rectangle"&gt;
 &lt;solid android:color="@color/components_white" /&gt;
 &lt;/shape&gt;
 &lt;/item&gt;
 &lt;/layer-list&gt;
&lt;/item&gt;
</code></pre>

blocks|key|1563961|text|如果您只想更改EditText边框颜色，则可以使用attr+app:backgroundTint：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1563962|<EditText
++++android:layout_width="match_parent"
++++android:layout_height="wrap_content"
++++app:backgroundTint="#000"
/>+|code-block|syntax|javascript|1563963|entityMap^0|U|I|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

You can use attr <code>app:backgroundTint</code> if you only want to change the EditText border color:

<pre><code>&lt;EditText
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 app:backgroundTint="#000"
/&gt; 
</code></pre>

blocks|key|631637|text|您可以创建一个具有背景颜色的线性布局，您希望边框的颜色应该是该颜色。然后将编辑文本放入此Linearlayout中，并设置一些背景颜色。如果边框是灰色的，那么Linearview的背景就是灰色的。并编辑文本背景为黑色。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|631638|对于边框的宽度，您可以为border_width+=+"1dp"指定padding+=+"1dp"。|631639|entityMap^0|18|C|27|A|0|C|K|Y|F|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|I|$]]

You can create a linearlayout with background color the color which you want the border should be. Then place the Edit text inside this <code>Linearlayout</code> and give some background color. 
Eg : if border is grey then background for <code>Linearview</code> is grey.
and edit text background black.

for width of border you can give <code>padding = "1dp"</code> for <code>border_width = "1dp"</code>.

I changed the background color of the EditText to transperant. Now the EditText looks invisible when not focused. So how can I change the un-focused border color of EditText?

What is the XML attribute for this?

How to change the border color(un-focused) of an EditText?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我将EditText的背景颜色更改为透明。现在，当不聚焦时，EditText看起来是不可见的。那么，如何更改EditText的非聚焦边框颜色呢？它的XML属性是什么？

问如何更改EditText的边框颜色(未聚焦)？
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问如何更改EditText的边框颜色(未聚焦)？
EN