fragment examples

1 tabactivity:1 out of date.2 activity. Is the four components of Android ...Heavyweight guy. ViewGroup: Special trouble ....2 ViewPage : 1 Simple ... Directly set the current interface ViewGroup is a subclass ... View Lightweight Widgets Fragment +viewpager3, Fragment:fragment + fragment1 when we were using the V4 bag ... Android.support.v4.app, the system has added a layer of layout to us by default.2 When we use the

The difference between the use of the fragment in the app Pack and the fragment in the V4 package1, try not to use the app package fragment, because this is after 3.0, the supported version is too high, in the lower version is not used2, Android.support.v4.app.Fragment: can be compatible to 1.6 of the version,3. Questions about the use (1) Both App.fragment and v

In the last two days to do the project, to nest inside the fragment nested fragment, the first use of fragment hide,show and other methods have been unsuccessful,,, the message is a fragment, in which there are two sub-fragment, ( Firends and follow), then the two

Label: style blog HTTP color SP strong file on 2014 1. Fragment lifecycle: Let's take a look at the illustration in the Google help document: // Attach the fragment to the current activity. Public void onattach (activity ){ // Todo auto-generated method stubSuper. onattach (activity );} Public void oncreate (bundle savedinstancestate ){// Todo auto-generated method stubSuper. oncreate (

Call getActivity () in Fragment to report null. activity calls fragment. Check umeng's error log and find that NullPointerException occurs again. Then, check the code and find that only the context is available, however, this situation has already occurred before, so I uploaded the context from the Activity when I created the Fragment object. I tested it multipl

After the vertex program is implemented diffuse reflection into the fragment program, the following processing effect:See the same diffuse reflection as the built-in implementation on the left.Fragment program features: 1. Render as a triangular polygon, while vertex programs are rendered in vertex formNote: Directly pass the calculated vertex normal vector and the light vector directly to the fragment prog

Analysis of the problem that fragment is destroyed on the switching interface in viewpager 1. Use the scenario viewpager + fragment to implement interface switching. The number of interfaces is greater than or equal to 3 2. Fragment lifecycle and comparison with activity Lifecycle 3. As mentioned in the Problem description, the ondestoryview method is called only

Data exchange between Fragment and Activity generally includes three types: 1. Fragment obtains data from the Activity (this article only introduces the first type ); 2. Activity obtains data from Fragment; 3. Get data between Fragment. Implementation: Data is transmitted from the Activity to two

Android viewpager + fragment: select the current fragment to trigger some more things. viewpagerfragment Recently encountered a problem in the project: Background: Use viewpager + fragment to slide the homepage. Then, the dialog box is automatically displayed when the third fragment is selected. Solution: 1. Vp. setOnP

Android official has provided a variety of fragment use of demo examples, in our SDK below the API demo contains a variety of fragment use examples, need to see the demo friend, directly to see the API demo that program on it, not everywhere to find. It separates different functions and implements different classes of

Two methods are called when fragment is displayedMethod 1, public void Setuservisiblehint (Boolean isvisibletouser); This will determine whether the current fragment is displayedMethod 2,public void Onresume (); Here it starts to show fragmentSometimes you need to load the data when the fragment really shows up, for example, when used in combination with Viewpage

Add a ListView in Fragment without using ListFragment. Add a listview in fragment. The initial idea was to combine Fragment and ViewPager, Then, in a whim, The ListView is added to the first Fragment, According to the suggestions on the internet, extends has ListFragment, followed by various errors. After reading it ca

Recently made an interface a fragment nested set viewpage,viewpage display multiple fragment, encountered a summary of the problem.1. The Fragmentmanager must be Getchildfragmentmanager () in the primary fragment initialization adapter to be transmitted.If you use Mactivity.getsupportfragmentmanager (), you will not be able to display the contents of ViewPage.2.

The project has a control to listen to the host, and then to update the fragment page, which must be to obtain the object in the fragment;The following scenarios are available in the Fragmentactivity + fragment combination:Medicfragment medic= (medicfragment) Getsupportfragmentmanager (). Findfragmentbyid (r.id.fragment_medic);But in the Viewpager is not g

To manage fragment in an activity, you need to use the fragmentmanager object. You can obtain this object by calling the getfragmentmanager () method in the activity. The fragmentmanager object can do the following: 1. Get the existing fragment in the activity, use findfragmentbyid () to obtain the fragment provided by the UI in the activity layout, or use the

Today in the development of a problem, I use the framework is the bottom menu four button +fragment, and then the home page fragment applied Pagerslidingtabstrip,pagerslidingtabstrip is used viewpager+ tab combination to click on the switch page or swipe to switch the menu, so that I want to achieve the function, but when I switch between the bottom menu, Pagerslidingtabstrip in the Viewpeger disappeared, h

Yii Open Fragment Cache method, Yii open fragment The example in this paper describes how Yii turns on fragment caching. Share to everyone for your reference, as follows: 1. Add the components in the main.php file: Cache ' =>array ( ' class ' = ' System.caching.CFileCache ',), 2. Add this sentence where you need to cache in view For more information on YII r

When using Viewpager and fragment, Viewpager automatically caches data within 1 pages, such as:When we are currently on page 2, the view of page 1 and Page 3 is actually created, so we can see their interface when we drag.But when our page is at 1, Page 3 is actually destroyed. Page 3 will not create a view until you jump to page 2.At this point, if you have time-consuming events in Page 3, such as network access. Then, when we do the 1-->2 operation,

A problem has been encountered in the recent project:Background: Use Viewpager+fragment to make the first page slide, then need to automatically pop up the dialog box when the third fragment is selected.Workaround:1, inVp.setonpagechangelistener (New Onpagechangelistener () { @Override public void onpageselected (int arg0) { //arg0 is the lo

Pattern diagram:Fragment in different activityTwo fragment in the same activityExplain how the fragment inside the activity communicates,In Fragmenta:Firstly before we add the FRAGMENTB to Transaction,we can set target fragment as Fragmenta for the FRAGMENTB, we is going To add together with request code. At the same time we can overide the Onactivityresult to ge