fragment examples

[Android] Fragment source code analysis (3) Transactions In Fragment management, we have to talk about its transaction management. Its transaction management is very brilliant. First, we introduce a simple and common Fragment transaction management code snippet: FragmentTransaction ft = this.getSupportFragmentManager().beginTransaction();

in the previous article we introduced the simple application of fragment and through the fragment to solve the situation of the screen switching between the display of different interfaces, through the fragment to fill the problem of extra space, this article we introduce the fragment life cycle;As we all know,

Objective Frequent switching fragment can lead to frequent release and creation, and if fragment experience is very bad, share a method here. Body First, the application scene 1, do not use Viewpager 2, can not use replace to switch fragment, will cause fragment release (call Ondestroyview) Second, realize 1, XM

Fragment allows the activity to be split into multiple reusable controls that are completely individually encapsulated. Each component has its own life cycle and UI layout. (similar to an activity embedded in the activity)By inheriting fragment to create a new fragment, in most cases you need to assign a UI (XML layout file) for

One. Fragment use:To manage Fragment in your activity , you need to use Fragmentmanager, which can be Getfragmentmanager (), Note here if you want to use the Getsupportfragmentmanager () method in the V4 package. Fragmentmanager can open a thing call BeginTransaction () method to return Fragmenttransaction object, this is we can use fragmenttransaction to run delete add Some of the actions of

Common functions of fragment:First, Fragment object1.void setarguments (Bundle args); This function provides construction parameters (i.e. data) for fragment, and the parameters are encapsulated in bundle type. This method is provided because the official does not recommend writing the data delivery to the constructor.2.Bundle getarguments (); This function allows you to get the arguments passed to the

The fragment is a new component introduced in 3.0, and is used frequently in projects where the V4 package is fragment to be backwards compatible before 3.0.Let's say 3.0 fragment usage.Among them, fragment's life cycle is not much to say, first constructs the Fragment view object.@Overridepublic View Oncreateview (lay

Android SDK dynamically loads APK (Fragment or Activity implementation) and androidapk Respect originality: Http://blog.csdn.net/yuanzeyao/article/details/38565345 Recently, due to the project being too large, compilation and translation failed (Android seems to have a limit on the number of methods in an application), so I have been wondering whether to dynamically load the APK of some modules without installation, by searching for information and he

Problem descriptionThere is a more complex HTML fragment (a), if the HTML fragment is embedded in another page (B,c,d ...). ）。The point is that there is a lot of JavaScript logic in the HTML fragment that needs to be handled, such as paging, click event Response, and so on. For this question, we use a simple example to illustrate:"There is a button on the page,

We talked about the common functions related to fragment, since fragment is called "small activity", now let's talk about how fragment communicates with Acitivity. If you do not know the last article, you can look again. Transmission door. Fragment communicate with the activity in the following ways: One, through the

Fragment Static Loading for Android1. Fragment Knowledge Overview Android3.0 introduces Fragment, which is mainly used on large screen devices and supports more dynamic and flexible UI design. Fragment should be a modular and reusable component in your application, because Fragment