blocks|key|1310497|text|LinearLayout是ViewGroup的子类，后者有一个名为addView的方法。addView方法应该是您想要的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1310498|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/reference/android/widget/LinearLayout.html|1|http://developer.android.com/reference/android/view/ViewGroup.html|2|http://developer.android.com/reference/android/view/ViewGroup.html#addView(android.view.View))|3|http://developer.android.com/reference/android/view/ViewGroup.html#addView(android.view.View)^0|0|C|0|D|9|1|X|7|2|18|7|3|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]|$A|V|B|W|1|X]|$A|Y|B|Z|1|10]|$A|11|B|12|1|13]]|C|$]]|$1|D|3|-4|5|6|7|14|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]|N|$5|G|H|I|C|$J|O]]|P|$5|G|H|I|C|$J|Q]]]]

<a href="http://developer.android.com/reference/android/widget/LinearLayout.html" rel="noreferrer">LinearLayout</a> is a subclass of <a href="http://developer.android.com/reference/android/view/ViewGroup.html" rel="noreferrer">ViewGroup</a>, which has a method called <a href="http://developer.android.com/reference/android/view/ViewGroup.html#addView(android.view.View)" rel="noreferrer">addView</a>. The <a href="http://developer.android.com/reference/android/view/ViewGroup.html#addView(android.view.View)" rel="noreferrer">addView</a> method should be what you are after.

blocks|key|1310526|text|调用addView是正确的答案，但您需要做更多的工作才能使其工作。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1310527|如果通过构造函数(例如，Button+myButton+=+new+Button();)创建视图，则在将新构造的子视图添加到父视图之前，需要在新构造的视图上调用setLayoutParams，并传入父视图的LayoutParams内部类的实例。|1310528|例如，假设您的LinearLayout具有id+R.id.main，则您的onCreate()函数中可能包含以下代码|1310529|LinearLayout+myLayout+=+findViewById(R.id.main);

Button+myButton+=+new+Button(this);
myButton.setLayoutParams(new+LinearLayout.LayoutParams(
+++++++++++++++++++++++++++++++++++++LinearLayout.LayoutParams.MATCH_PARENT,
+++++++++++++++++++++++++++++++++++++LinearLayout.LayoutParams.MATCH_PARENT));

myLayout.addView(myButton);|code-block|syntax|javascript|1310530|确保设置LayoutParams是很重要的。每个视图至少需要一个layout_width和一个layout_height参数。另外，获得正确的内部类也很重要。我一直在努力让视图添加到TableRow中才能正确显示，直到我发现我没有将TableRow.LayoutParams的实例传递给子视图的setLayoutParams。|1310531|entityMap^0|2|7|0|C|V|28|F|0|O|9|11|A|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|V|8|@$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|J|3|K|5|L|7|15|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|16|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|17|8|@]|D|@]|E|$]]]|R|$]]

Calling <code>addView</code> is the correct answer, but you need to do a little more than that to get it to work.

If you create a View via a constructor (e.g., <code>Button myButton = new Button();</code>), you'll need to call <code>setLayoutParams</code> on the newly constructed view, passing in an instance of the parent view's LayoutParams inner class, before you add your newly constructed child to the parent view.

For example, you might have the following code in your <code>onCreate()</code> function assuming your LinearLayout has id <code>R.id.main</code>:

<pre><code>LinearLayout myLayout = findViewById(R.id.main);

Button myButton = new Button(this);
myButton.setLayoutParams(new LinearLayout.LayoutParams(
 LinearLayout.LayoutParams.MATCH_PARENT,
 LinearLayout.LayoutParams.MATCH_PARENT));

myLayout.addView(myButton);
</code></pre>

Making sure to set the LayoutParams is important. Every view needs at least a layout_width and a layout_height parameter. Also getting the right inner class is important. I struggled with getting Views added to a TableRow to display properly until I figured out that I wasn't passing an instance of TableRow.LayoutParams to the child view's setLayoutParams.

blocks|key|1310590|text|这已经很晚了，但这可能会对某些人有所帮助:)+:)要以编程方式添加视图，请尝试如下所示|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1310591|LinearLayout+rlmain+=+new+LinearLayout(this);++++++
LinearLayout.LayoutParams+llp+=+new+LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.FILL_PARENT);++++++++++
LinearLayout+++ll1+=+new+LinearLayout+(this);

ImageView+iv+=+new+ImageView(this);
iv.setImageResource(R.drawable.logo);++++++++++++++
LinearLayout+.LayoutParams+lp+=+new+LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,+LinearLayout.LayoutParams.MATCH_PARENT);

iv.setLayoutParams(lp);
ll1.addView(iv);
rlmain.addView(ll1);++++++++++++++
setContentView(rlmain,+llp);|code-block|syntax|javascript|1310592|这将以编程方式创建整个视图。您可以添加任意数量的相同视图。希望这能有所帮助。:)|1310593|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|$]]

This is late but this may help someone :) :)
For adding the view programmatically try like

<pre><code>LinearLayout rlmain = new LinearLayout(this); 
LinearLayout.LayoutParams llp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.FILL_PARENT); 
LinearLayout ll1 = new LinearLayout (this);

ImageView iv = new ImageView(this);
iv.setImageResource(R.drawable.logo); 
LinearLayout .LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT);

iv.setLayoutParams(lp);
ll1.addView(iv);
rlmain.addView(ll1); 
setContentView(rlmain, llp);
</code></pre>

This will create your entire view programmatcally. You can add any number of view as same. Hope this may help. :)

blocks|key|1095487|text|从活动添加视图的另一种方法|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1095488|ViewGroup+rootLayout+=+findViewById(android.R.id.content);
rootLayout.addView(view);|code-block|syntax|javascript|1095489|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|$]]

One more way to add view from Activity

<pre><code>ViewGroup rootLayout = findViewById(android.R.id.content);
rootLayout.addView(view);
</code></pre>

blocks|key|1310711|text|你们还应该确保在覆盖onLayout时，必须使用所有属性调用super.onLayout，否则视图将不会膨胀！|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1310712|entityMap^0|A|8|U|E|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

You guys should also make sure that when you override <code>onLayout</code> you HAVE to call <code>super.onLayout</code> with all of the properties, or the view will not be inflated!

Let's say I have a <code>LinearLayout</code>, and I want to add a View to it, in my program from the Java code. What method is used for this? I'm not asking how it's done in XML, which I do know, but rather, how can I do something along the lines of this sample code?

<pre><code>(One View).add(Another View)
</code></pre>

Like one can do in Swing.

How to Programmatically Add Views to Views

Java

假设我有一个LinearLayout，我想在我的程序中通过Java代码向它添加一个视图。使用的是什么方法？我并不是问它是如何用XML实现的，我确实知道这一点，但我想问的是，我如何才能像这个示例代码那样做一些事情呢？(One View).add(Another View)就像在Swing中可以做的那样。

问如何以编程方式将视图添加到视图
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