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= Getfragmentmanager (); Fragmenttransaction transaction = Fragmentmanager.begintransaction (); Transaction.replace (R.id.right_laYout, fragment); Transaction.addtobackstack (null); Transaction.commit (); Break;case r.id.button1:leftfragment = ( leftfragment) Getfragmentmanager ()//button Two, you can directly use the left fragment is the function of fragmentation two. Findfragmentbyid (r.id.left_fragment)
Android practice simple tutorial-52nd guns (Communication Between Fragment and Activity), androidfragment
The use of Fragment makes our applications more flexible to adapt to various Android devices, but many friends should be unfamiliar with the communication between
You can think of fragment as a modular part of the activity, having its own lifecycle, getting its own events, and you can add or remove it when the event is running (a bit like the one you can reuse in a different activity). Child activity "). This lesson describes how to use the support library to inherit the fragment class, so your application is still compatible with running system versions less than An
OnClick (View v) {
//TODO auto-generated method Stub
Toast.maketext (Getactivity (), "clicked the btn of the first fragment", Toast.length_short). Show ();
});
return view;
}
In Oncreateview () to return to display view, the above code simply demonstrates how to manipulate the control in the view, not difficult, no longer detailed, if the fragment not too familiar with the classm
Android.app.activity;import Android.app.fragment;import Android.os.bundle;import Android.view.layoutinflater;import Android.view.view;import Android.view.ViewGroup; Import Android.widget.textview;import Android.widget.toast;public class Myfragment extends Fragment {public MyListener Listener;private String back= "has received data! Thank you ";/** * Transfer value from fragment to activity via interface ca
) {//When the user slides to the right edge 100, the page closesNew Thread (new Runnable () {//new threads, sliding off@Overridepublic void Run () {for (int i = 0;; i++) {try {Thread.Sleep (3)//Rightview every 10ms right to ensure smooth slidingcatch (Interruptedexception e) {E.printstacktrace ();}int len = (int) (X + 3 * i);System.out.println ("len:" + len);Messages = new message ();//Android non-UI thread does not allow direct manipulation of contro
Modify the layout of a fragmentSame as in the use of activity, the use of data binding in fragment also needs to modify the layout, the same way as the activity, the outermost add Similarly, in order to avoid repetition, the data binding in Binding in FragmentThere are some differences in how bindings are created in activity, but the purpose is to obtain a reference to the bound object.For example, our fragment
(1) Android. App. Fragment: the minimum compatible version is Android: minsdkversion = "11"
Therefore, your application is not compatible with applications under 3.0.
You can use the
(2) Android. Support. v4.app. Fragment: compatible with version 1.6. The ProgramIn th
Android Practice Note (5) --- Implementation of the navigation bar at the bottom of Fragment, android --- fragment
Android Practice Note (5) --- Implementation of the navigation bar at the bottom of Fragment
-- Reprinted with the
? "declaration"Welcome reprint, but please keep the original source of the article →_→Life One number: http://www.cnblogs.com/smyhvae/Article Source: http://www.cnblogs.com/smyhvae/p/3978989.htmlContact information: [Email protected]BodyThe interface display on Android is implemented through activity, and activity is too common. But activity also has its limitations, the same interface on the phone may look good, on the tablet is not necessarily, beca
Android (10) --- Fragment-Fragment communication and ListFragment and androidfragment
I. Preface
The first two blogs introduced the basic usage of fragment.
1. Fragment API Introduction: such as FragmentManager and FragmentTransaction.
2. Definition method: Inherit the
Android Practice Note (3) --- Fragment parsing with app package or v4 package, android --- fragment
Android Practice Notes (3) --- Analysis of Fragment app package or v4 package
1) Problem Description
I believe that many of my f
Android Fragment is completely parsed. Everything you need to know about Fragment,
We all know that the interface display on Android is implemented through Activity, which is too common. I believe everyone is familiar with it and I will not repeat it here.
However, Activity also has its limitations. The same interface
combines its layout into the activity as part of activitiy's loyout. There are two ways to add a fragment to the activity:
Method 1: declare fragment in the layoutxml file of the activityThe following code indicates that an activity contains two fragment items:
Android: orientation = "horizontal"
, fragment merges its layout into the activity as part of the activitiy loyout, and there are two ways to add a fragment to the activity:Method One: Declare fragment in the activity's Layoutxml fileIn the following code, an activity contains two fragment:
1.0" encoding="Utf-8"?>
"Http://schemas.android.com/apk/r
The above example shows how to add fragment to the activity as part of the UI. However, you can also use fragment to provide only one background behavior without any additional UI display.
To add a fragment without a UI, you must use the add (fragment, string) (to provide a unique string "tag" for
The fragment stack is part of the fragment management, and the essential difference between it and the activity stack is that apart from the differences in data structures and logic, the main differences are:1.Fragment management is within the process space2.Fragment management is normally done under a window.Fragment
Create fragment last Lesson next lesson this lesson teaches you
Create a Fragment class
Adding Fragment to Activity using XML
You also need to read
Fragments
Try the Download sampleFragmentbasics.zipYou can think of fragment as a modular part of activity that has its own life cycle, rece
Fragment, also known as fragments, was originally intended to fit a large-screen Android device. But after the advent, many Android developers are very fond of this thing. This thing is very useful, but it is not very easy to use. Let me explain the fragment in Android.1, th
The life cycle of fragmentsEach fragments has its own set of lifecycle callback methods and handles its own user input events. The corresponding life cycle can be referred to:Create a slice (Creating a Fragment)To create a fragment, you must create a subclass of the fragment (or an existing subclass of it). The Fragment
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