blocks|key|715646|text|在android.support.v4中使用以下代码|type|unstyled|depth|inlineStyleRanges|entityRanges|data|715647|FragmentTransaction+ft1+=+getFragmentManager().beginTransaction();
WebViewFragment+w1+=+new+WebViewFragment();
w1.init(linkData.getLink());
ft1.addToBackStack(linkData.getName());
ft1.replace(R.id.listFragment,+w1);
ft1.commit();|code-block|syntax|javascript|715648|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|$]]

Use the below code in android.support.v4

<pre><code>FragmentTransaction ft1 = getFragmentManager().beginTransaction();
WebViewFragment w1 = new WebViewFragment();
w1.init(linkData.getLink());
ft1.addToBackStack(linkData.getName());
ft1.replace(R.id.listFragment, w1);
ft1.commit();
</code></pre>

blocks|key|715665|text|使用v4使用此代码|type|unstyled|depth|inlineStyleRanges|entityRanges|data|715666|+ExampleFragment+newFragment+=+new+ExampleFragment();+++++
+FragmentTransaction+transaction+=+getSupportFragmentManager().beginTransaction();++
+//+Replace+whatever+is+in+the+fragment_container+view+with+this+fragment,++
+//+and+add+the+transaction+to+the+back+stack+so+the+user+can+navigate+back+++
+transaction.replace(R.id.container,+newFragment);
+transaction.addToBackStack(null);++
+//+Commit+the+transaction+++
+transaction.commit();|code-block|syntax|javascript|715667|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|$]]

Use this code using v4 

<pre><code> ExampleFragment newFragment = new ExampleFragment(); 
 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); 
 // Replace whatever is in the fragment_container view with this fragment, 
 // and add the transaction to the back stack so the user can navigate back 
 transaction.replace(R.id.container, newFragment);
 transaction.addToBackStack(null); 
 // Commit the transaction 
 transaction.commit();
</code></pre>

blocks|key|715700|text|希望你正在做well.when，我开始用Android+Fragments工作，然后我也遇到了同样的问题，然后我读到了1-如何与其他人交换片段。2-如果Fragment+container没有任何片段，如何添加片段。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|715701|然后经过一些研究和开发，我创建了一个函数，它在许多项目中对我有帮助，直到现在，我仍然在使用这个简单的函数。|715702|public+void+switchFragment(BaseFragment+baseFragment)+{
++++try+{
++++++++FragmentTransaction+ft+=+getSupportFragmentManager().beginTransaction();
++++++++ft.setCustomAnimations(android.R.anim.slide_in_left,+android.R.anim.slide_out_right);
++++++++if+(getSupportFragmentManager().findFragmentById(R.id.home_frame)+==+null)+{
++++++++++++ft.add(R.id.home_frame,+baseFragment);
++++++++}+else+{
++++++++++++ft.replace(R.id.home_frame,+baseFragment);
++++++++}
++++++++ft.addToBackStack(null);
++++++++ft.commit();
++++}+catch+(Exception+e)+{
++++++++e.printStackTrace();
++++}
}|code-block|syntax|javascript|715703|享受您的代码时间:)|715704|entityMap^0|K|H|24|I|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]|$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|V|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|W|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|X|8|@]|D|@]|E|$]]|$1|O|3|-4|5|6|7|Y|8|@]|D|@]|E|$]]]|P|$]]

hope you are doing well.when I started work with <code>Android Fragments</code> then I was also having the same problem then I read about 
1- How to switch fragment with other.
2- How to add fragment if <code>Fragment container</code> does not have any fragment.

then after some R&amp;D, I created a function which helps me in many Projects till now and I am still using this simple function.

<pre><code>public void switchFragment(BaseFragment baseFragment) {
 try {
 FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 ft.setCustomAnimations(android.R.anim.slide_in_left, android.R.anim.slide_out_right);
 if (getSupportFragmentManager().findFragmentById(R.id.home_frame) == null) {
 ft.add(R.id.home_frame, baseFragment);
 } else {
 ft.replace(R.id.home_frame, baseFragment);
 }
 ft.addToBackStack(null);
 ft.commit();
 } catch (Exception e) {
 e.printStackTrace();
 }
}
</code></pre>

enjoy your code time :)

blocks|key|931765|text|使用ViewPager。这是我的工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|931766|final+ViewPager+viewPager+=+(ViewPager)+getActivity().findViewById(R.id.vp_pager);+
button+=+(Button)result.findViewById(R.id.button);
button.setOnClickListener(new+View.OnClickListener()+{
++++@Override
++++public+void+onClick(View+v)+{
++++++++viewPager.setCurrentItem(1);
++++}
});|code-block|syntax|javascript|931767|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|$]]

Use ViewPager. It's work for me.

<pre><code>final ViewPager viewPager = (ViewPager) getActivity().findViewById(R.id.vp_pager); 
button = (Button)result.findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View v) {
 viewPager.setCurrentItem(1);
 }
});
</code></pre>

blocks|key|715754|text|你可以使用简单的代码来处理事务|type|unstyled|depth|inlineStyleRanges|entityRanges|data|715755|Fragment+newFragment+=+new+MainCategoryFragment();
FragmentTransaction+ft+=+getSupportFragmentManager().beginTransaction();
ft.replace(R.id.content_frame_NavButtom,+newFragment);
ft.commit();+|code-block|syntax|javascript|715756|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|$]]

you can use simple code its work for transaction

<pre><code>Fragment newFragment = new MainCategoryFragment();
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.replace(R.id.content_frame_NavButtom, newFragment);
ft.commit(); 
</code></pre>

blocks|key|931979|text|在kotlin中，您可以执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|931980|//+instantiate+the+new+fragment
val+fragment:+Fragment+=+ExampleFragment()

val+transaction+=+supportFragmentManager.beginTransaction()
transaction.replace(R.id.book_description_fragment,+fragment)
transaction.addToBackStack("transaction_name")
//+Commit+the+transaction
transaction.commit()|code-block|syntax|javascript|931981|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 kotlin you can do:

<pre class="lang-kotlin prettyprint-override"><code>// instantiate the new fragment
val fragment: Fragment = ExampleFragment()

val transaction = supportFragmentManager.beginTransaction()
transaction.replace(R.id.book_description_fragment, fragment)
transaction.addToBackStack("transaction_name")
// Commit the transaction
transaction.commit()
</code></pre>

blocks|key|932045|text|您可以使用以下代码|type|unstyled|depth|inlineStyleRanges|entityRanges|data|932046|((AppCompatActivity)+getActivity()).getSupportFragmentManager().beginTransaction().replace(R.id.YourFrameLayout,+new+YourFragment()).commit();|code-block|syntax|javascript|932047|或者，您可以使用代码|932048|YourFragment+fragments=(YourFragment)+getSupportFragmentManager().findFragmentById(R.id.FrameLayout);

++++++++if+(fragments==null)+{
++++++++++++getSupportFragmentManager().beginTransaction().replace(R.id.FrameLayout,+new+Fragment_News()).commit();
++++++++}|932049|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|$]]

You Can Use This code

<pre><code>((AppCompatActivity) getActivity()).getSupportFragmentManager().beginTransaction().replace(R.id.YourFrameLayout, new YourFragment()).commit();
</code></pre>

or You Can This Use Code

<pre><code>YourFragment fragments=(YourFragment) getSupportFragmentManager().findFragmentById(R.id.FrameLayout);

 if (fragments==null) {
 getSupportFragmentManager().beginTransaction().replace(R.id.FrameLayout, new Fragment_News()).commit();
 }
</code></pre>

blocks|key|716065|text|您可以使用fragment-ktx|type|unstyled|depth|inlineStyleRanges|entityRanges|data|716066|//+If+you+are+in+fragmet
childFragmentManager.beginTransaction()

//+or+if+you+are+in+activiry
supportFragmentManager.beginTransaction()

//+Create+and+commit+a+new+transaction
supportFragmentManager.commit+{
++setReorderingAllowed(true)
++//+Replace+whatever+is+in+the+fragment_container+view+with+this+fragment
++replace<ExampleFragment>(R.id.fragment_container)
}|code-block|syntax|javascript|716067|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|$]]

You can use fragment-ktx
<pre><code>// If you are in fragmet
childFragmentManager.beginTransaction()

// or if you are in activiry
supportFragmentManager.beginTransaction()

// Create and commit a new transaction
supportFragmentManager.commit {
 setReorderingAllowed(true)
 // Replace whatever is in the fragment_container view with this fragment
 replace&lt;ExampleFragment&gt;(R.id.fragment_container)
}
</code></pre>

blocks|key|716112|text|要将一个片段替换为另一个片段，请注意，R.id.fragment来自您提供给XML中片段的第一个标记的id。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|716113|barAudioPlaying.setOnClickListener(view+->+{
++++++++++++++++getActivity().getSupportFragmentManager()
++++++++++++++++++++++++.beginTransaction()
++++++++++++++++++++++++.replace(R.id.fragment,new+HomeFragment())
++++++++++++++++++++++++.commit();|code-block|syntax|javascript|716114|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 replace a fragment with another one do this, Note that R.id.fragment comes from the id that you give to the first tag of the fragment in the XML.
<pre><code>barAudioPlaying.setOnClickListener(view -&gt; {
 getActivity().getSupportFragmentManager()
 .beginTransaction()
 .replace(R.id.fragment,new HomeFragment())
 .commit();
</code></pre>

I have a fragment inside a group activity and I want to replace it with another fragment:

<pre><code>FragmentTransaction ft = getActivity().getFragmentManager().beginTransaction();
SectionDescriptionFragment bdf = new SectionDescriptionFragment();
ft.replace(R.id.book_description_fragment, bdf);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
ft.addToBackStack(null);
ft.commit();
</code></pre>

It works fine when it is done as a seperate project without using activity group, every thing works fine in log cat as control goes inside getview(), but no view is visible, not even any exception arises, I want the book detail fragment to be replaced by section detail fragment.

Xml of book detail fragment has id book_description_fragment and xml for section description fragment has id section_description_fragment.

The above code is in onClick method of an item, I want that when user taps on an item in horizontal scroll view, then the fragment changes.

Replacing a fragment with another fragment inside activity group

Android

我在一个组活动中有一个片段，我想用另一个片段替换它：FragmentTransaction ft = getActivity().getFragmentManager().beginTransaction();SectionDescriptionFragment bdf = new SectionDescription...

问用活动组内的另一个片段替换片段
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