android fragment tutorial

Implementation of tabhost through ViewPager + Fragment for android project profiling In the project, you need to use the navigation bar on the end bar. sliding or clicking it will switch to the view above, This effect is implemented using Viewpager + Fragmen, which is a mainstream solution. If you do not know much about fragment before joining us, you can first

Android Fragment instance Listfragment listiew pull-down refresh pull-up load horizontal sliding event listeningAndroid Fragment development instance and other color functionsThe code is too long, please download the attachment source code: http://yunpan.cn/cs24a2Z7C5kRk (extraction code: a0cf) Have Doubts welcome to contact QQ972910164I,CustomListView descriptio

The previous article has already described the technical part of image processing for the casual shooting Project. This article mainly covers the layout of the main interface and screen sliding switching. the following content is completed: (1 ). learn how to use the Include layout XML; (2 ). load fragment by adding an adapter; (3 ). implement sliding touch to switch the screen ViewPager; (4 ). change the icon and background, and respond to the contro

support the "return" Key (backward navigation) at the fragment level ). When adding a fragment to an activity, it must be placed in the viewgroup control and define its own fragment interface. You can declare the fragment in the layoutxml file with the element Next we will explain how to use

));} The Makefragmentname method is as follows:[Code]java Code:? 123 privatestatic String makeFragmentName(int viewId, long id) {return "android:switcher:" + viewId + ":"+ id;} Originally, in the instantiation of fragment, Fragmentpageradapter will first through the makefragmentname return of the tag, to Fragmentmanager to find whether there is the current fragment ca

Android dynamically creates Fragment and androidfragment Fragment is a part of the activity interface or an action. Multiple Fragment can be combined into one activity to create a multi-interface and one Fragment can be reused in multiple activities. You can modularize a

Android ui-implements the bottom Toggle tab (fragment) Prefacethis blog to share a UI effect-to achieve the bottom of the switch label, presumably everyone in some applications have encountered such a effect, the most typical is the ability to swipe left and right to switch pages. You can also click on the tabs to swipe the page, how they are implemented, this blog in order to simply explain how to implem

, replace). Ii. Life Cycle Control Examples Package Com.goso.testapp; Import android.app.Activity; Import android.app.ListFragment; Import Android.os.Bundle; Import Android.util.Log; Import Android.view.LayoutInflater; Import Android.view.View; Import Android.view.ViewGroup; Import Android.widget.ArrayAdapter; Import Android.widget.ListView; /** * Demonstration of using listfragment to show a list of items * from a canned array. * * Public class Fragmentlistarray extends activity {@O

??Android Viewpager fragment boost performance with lazy loadingFragment is becoming more prevalent in today's Android development, but when Viewpager is combined with fragment, due to the inherent loading mechanism of Android Viewpager, a more serious load-performance probl

Android tips: implement the bound fragment callback in the activity When you see the title, you may think about how tall a skill is? In fact, it is generally a custom callback function. First, we know that there are several ways to transmit data between activities: First, startActivityForResut () starts an activity. When the activity at the top of the stack calls onActivityResult () and finishes, a message

Fragment is a sub-module of activity introduced in Android 3.0 (API level 11). The original intention is to adapt to the large-screen tablet, we only need to use fragment to group the UI components, modular management, it is easy to run the process of dynamic update activity interface. Fragment must be embedded in the

Note: The original source cannot be indicated. 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 may be nice to display on the mobile phone, but it may not be good on the tablet, because the screen of the tablet is very large, when the mobile phone interface is placed

Achieve Android dynamic APK loading (Fragment or Activity implementation) 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 h

Android Tenth day Note-fragmentFragment (Fragment) I. Introduction to Fragment*fragment is the API introduced in 3.0, mainly to solve the problem of tablet, big screen phone display*fragment represents the sub-module of activity, so frag