blocks|key|1097245|text|将按钮可见性设置为GONE+(按钮将被完全“移除”-按钮空间将可用于另一个小部件)或INVISIBLE+(按钮将变为“透明”-其空间将不可用于其他小部件)：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1097246|View+b+=+findViewById(R.id.button);
b.setVisibility(View.GONE);|code-block|syntax|javascript|1097247|或者在xml中：|1097248|<Button+...+android:visibility="gone"/>|1097249|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/reference/android/view/View.html#GONE|1|https://developer.android.com/reference/android/view/View.html#INVISIBLE^0|9|4|0|16|9|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]|$A|10|B|11|1|12]]|C|$]]|$1|D|3|E|5|F|7|13|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|14|8|@]|9|@]|C|$]]|$1|K|3|L|5|F|7|15|8|@]|9|@]|C|$G|H]]|$1|M|3|-4|5|6|7|16|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]|U|$5|P|Q|R|C|$S|V]]]]

Set button visibility to <a href="https://developer.android.com/reference/android/view/View.html#GONE" rel="noreferrer">GONE</a> (button will be completely "removed" -- the buttons space will be available for another widgets) or <a href="https://developer.android.com/reference/android/view/View.html#INVISIBLE" rel="noreferrer">INVISIBLE</a> (button will became "transparent" -- its space will not be available for another widgets):

<pre><code>View b = findViewById(R.id.button);
b.setVisibility(View.GONE);
</code></pre>

or in xml:

<pre><code>&lt;Button ... android:visibility="gone"/&gt;
</code></pre>

blocks|key|882390|text|首先，如果需要，使按钮在xml代码中不可见，在file.Then代码中可见。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|882391|Button+resetButton=(Button)findViewById(R.id.my_button_del);
resetButton.setVisibility(View.VISIBLE);+//To+set+visible|code-block|syntax|javascript|882392|Xml：|882393|<Button
android:text="Delete"
android:id="@%2Bid/my_button_del"
android:layout_width="72dp"+
android:layout_height="40dp"
android:visibility="invisible"/>|882394|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

First make the button invisible in xml file.Then set button visible in java code if needed.

<pre><code>Button resetButton=(Button)findViewById(R.id.my_button_del);
resetButton.setVisibility(View.VISIBLE); //To set visible
</code></pre>

Xml:

<pre><code>&lt;Button
android:text="Delete"
android:id="@+id/my_button_del"
android:layout_width="72dp" 
android:layout_height="40dp"
android:visibility="invisible"/&gt;
</code></pre>

blocks|key|1097205|text|button.setVisibility(View.GONE);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1097206|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>button.setVisibility(View.GONE);
</code></pre>

blocks|key|882555|text|此视图可见。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|882556|button.setVisibility(View.VISIBLE);|code-block|syntax|javascript|882557|这个视图是不可见的，并且它不会占用布局的任何空间。|882558|button.setVisibility(View.GONE);+|882559|但如果你只是想让它看不见：|882560|button.setVisibility(View.INVISIBLE);|882561|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

This view is visible.

<pre><code>button.setVisibility(View.VISIBLE);
</code></pre>

This view is invisible, and it doesn't take any space for layout purposes.

<pre><code>button.setVisibility(View.GONE); 
</code></pre>

But if you just want to make it invisible: 

<pre><code>button.setVisibility(View.INVISIBLE);
</code></pre>

blocks|key|1097457|text|在按钮或imageViwe或.....中使用setVisibility|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1097458|要删除java代码中的按钮，请执行以下操作：|1097459|Button+btn=(Button)findViewById(R.id.btn);
btn.setVisibility(Button.GONE);|code-block|syntax|javascript|1097460|转换为java代码中的透明按钮|1097461|Button+btn=(Button)findViewById(R.id.btn);
btn.setVisibility(Button.INVISIBLE);|1097462|您应该编写如下所示的按钮xml代码：|1097463|<Button
android:id="@%2Bid/btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:visibility="gone"/>|1097464|隐藏：|1097465|++++++visibility:+gone+|1097466|显示：|1097467|+++++visibility:+invisible|1097468|+++++visibility:+visible|1097469|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|13|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|14|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|15|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|16|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|17|8|@]|9|@]|A|$]]|$1|O|3|P|5|F|7|18|8|@]|9|@]|A|$G|H]]|$1|Q|3|R|5|6|7|19|8|@]|9|@]|A|$]]|$1|S|3|T|5|F|7|1A|8|@]|9|@]|A|$G|H]]|$1|U|3|V|5|6|7|1B|8|@]|9|@]|A|$]]|$1|W|3|X|5|F|7|1C|8|@]|9|@]|A|$G|H]]|$1|Y|3|Z|5|F|7|1D|8|@]|9|@]|A|$G|H]]|$1|10|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|11|$]]

use setVisibility in button or imageViwe or ..... 
 
To remove button in java code:

<pre><code>Button btn=(Button)findViewById(R.id.btn);
btn.setVisibility(Button.GONE);
</code></pre>

To transparent Button in java code

<pre><code>Button btn=(Button)findViewById(R.id.btn);
btn.setVisibility(Button.INVISIBLE);
</code></pre>

 
You should make you button xml code like below: 

<pre><code>&lt;Button
android:id="@+id/btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:visibility="gone"/&gt;
</code></pre>

 
hidden: 
 visibility: gone 
show: 
 visibility: invisible 
 visibility: visible

blocks|key|882670|text|button.setVisibility(button.getVisibility()+==+View.VISIBLE+?+View.GONE+:+View.VISIBLE);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|882671|使其在不可见时可见，在可见时不可见|unstyled|882672|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>button.setVisibility(button.getVisibility() == View.VISIBLE ? View.GONE : View.VISIBLE);
</code></pre>

Makes it visible if invisible and invisible if visible

blocks|key|1097566|text|如果您想使按钮不可见，则使用以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1097567|<Button+...+android:visibility="gone"/>

View.INVISIBLE:|code-block|syntax|javascript|1097568|按钮将变得透明。但是它占用了空间。|1097569|View.GONE|1097570|按钮将从布局中完全删除，我们可以添加其他小部件来取代删除的按钮。|1097571|entityMap^0|0|0|0|0|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]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

IF you want to make invisible button, then use this:

<pre><code>&lt;Button ... android:visibility="gone"/&gt;

View.INVISIBLE:
</code></pre>

Button will become transparent. But it taking space.

<pre><code>View.GONE
</code></pre>

Button will be completely remove from the layout and we can add other widget in the place of removed button.

blocks|key|882638|text|要将按钮从其父布局中完全删除，请执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|882639|((ViewGroup)button.getParent()).removeView(button);|code-block|syntax|javascript|882640|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

To completely remove a button from its parent layout:

<pre><code>((ViewGroup)button.getParent()).removeView(button);
</code></pre>

blocks|key|882774|text|为了访问另一个类中的元素，您可以简单地使用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|882775|findViewById(R.id.**nameOfYourelementID**).setVisibility(View.GONE);+|code-block|syntax|javascript|882776|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

In order to access elements from another class you can simply use

<pre><code>findViewById(R.id.**nameOfYourelementID**).setVisibility(View.GONE); 
</code></pre>

blocks|key|1097414|text|Button+btn=(Button)findViewById(R.id.btn);
btn.setVisibility(8);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1097415|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>Button btn=(Button)findViewById(R.id.btn);
btn.setVisibility(8);
</code></pre>

blocks|key|882401|text|尝试此代码：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|882402|button.setVisibility(View.INVISIBLE);|code-block|syntax|javascript|882403|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Try This Code :

<pre><code>button.setVisibility(View.INVISIBLE);
</code></pre>

How can I remove a button in Android, or make it invisible?

How can I remove a button or make it invisible in Android?

如何在Android中删除按钮，或使其不可见？

问如何在Android中删除按钮或使其不可见？
EN

回答 11

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问如何在Android中删除按钮或使其不可见？EN

回答 11

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问如何在Android中删除按钮或使其不可见？
EN