android fragment tutorial

Reprint Please specify source: http://blog.csdn.net/linglongxin24/article/details/53205878This article is from "Dylanandroid's blog" Viewpager+fragment Lazy Loading problem solution in Android In Android we often use the viewpager+fragment combination. However, one of the big headaches is that when we go

publicvoidonTabReselected(int position) { }Achieve ResultsMain codeMain interface layout file Activity_main,xml:linearlayout android:id = "@+id/activity_main" xmlns:android = "http://schemas.android.com/apk/res/android" xmlns:tools = "Http://schemas.android.com/tools" android:layout_width = "match_parent" android:layout_height = "match_parent" android:orientation = "vertical" tools:context =" com.rainsong.mishop.MainActivit

display when there is a way to monitor the completion of the display, the same for fragment also have a similar way to listen, as follows:@Override public void Onhiddenchanged (Boolean Hidd) {if (Hidd) {String instrname = ((mainactivity) getactivity () ). Getinstrname (); System.out.println ("+instrname+" ***************++++++++++++***** "for the product name obtained from the opening order when the hedging interface resumes display); System.out.p

Solution in Android Fragment where onActivityResult is not called (absolutely useful) Generally, Fragment is nested in FragmentActivity, or even in Fragment. At this time, the second-level or deeper Fragment will not be able to receive the onActivityResult callback. Check th

Android is now implementing the tab type interface more and more, today the common implementation of the way to give you a summary. It is now written: 1, the traditional Viewpager implementation 2, Fragmentmanager+fragment implementation 3, Viewpager+fragmentpageradapter implementation 4, Tabpageindicator+viewpager+fragmentpageradapter 1, the traditional Viewpager implementation The main thing is view

() to save the fragment state, using the following code:private void Replacecontainer (MenuItems menuItem) {fragmenttransaction transaction = Fragmentmanager.begintransaction (); Transaction.setcustomanimations (r.anim.right_in, R.anim.left_fadeout,r.anim.right_fadein, R.anim.left_fadeout ); Fragment Fragment = Retrievefromcache (MenuItem);//

savedinstancestate) {View view = Inflater.inflate (R.layout.fragment2, container, false);TextView TV = (TextView) View.findviewbyid (R.id.text);String text=getarguments (). Get ("name") + "" "[S2];Tv.settext (text);return view;3. Write Myactivity.java, and inherit activity① control initialization and other operations omitted② to increase the Click event of a buttonSend.setonclicklistener (New Onclicklistener () {public void OnClick (View v) {String text = Editext.gettext (). toString ();MYFRAGM

The second main interface style is the NetEase news, Phoenix News and the New Sina blog (read version) as the representative, using Viewpager+fragment, that is, Viewpager in the adapter is not the general view, but Fragment. So the adapter can not inherit Pageradapter, but to inherit Fragmentpageradapter, this is in the Android.support.v4.app.FragmentPagerAdapter package. A bit of a wonderful thing is, frag

Android learning-Fragment usage, 1. simple use of fragments (add two fragments to an activity and divide the fragments equally among the active space) 1. Create a New FragmentTest project; Create a left-side fragment layout left_fragment.xml. The Code is as follows: (only one button is placed and displayed horizontally in the center) 1 Create the right-side

anim = Loadanimation (f, transit, true, Transitionstyle); if (anim! = null) { f.mview.startanimation (anim); } Container.addview (F.mview); } if (F.mhidden) f.mview.setvisibility (view.gone); F.onviewcreated (F.mview, f.

Fragment How to createThere are two ways to use fragment: Static mode and dynamic mode.1. Static modeFirst step: Define a fragment subclass first. public class Examplefragment extends Fragment { @Override public View Oncreateview (Layoutinflater inflater, ViewGroup container, Bundle savedinstancesta

Directory (?) [-] Set different typography styles for horizontal and vertical rows Rewrite code For fragment, it often involves different screen sizes and different typography styles. We make a change in the basic small example, in the horizontal, is still realistic about two fragment, in the vertical row, as shown:Only one fragment is displayed

;}};}Fragment1,fragment2-5 Code:Package Com.succ7.fragmenttest;import Android.os.bundle;import Android.support.v4.app.fragment;import Android.view.layoutinflater;import Android.view.view;import Android.view.viewgroup;import Android.widget.imageview;public class Fragment1 extends Fragment {@Overridepublic View oncreateview (layoutinflater Inflater, ViewGroup container,bundle savedinstancestate) {ImageView ImageView = new ImageView (getactivity ()); Ima

fragmentmanager fragmentmanager;private button button, @Overrideprotected void OnCreate (Bundle Savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_main); FragmentManager = Getfragmentmanager ();//use Fragmentmanager to find fragment, use ID as unique identifier fragment = (myfragment) Fragmentmanager.findfragmentbyid (r.id.fragment1);//or use the method below to fin

Android Internship notes (5)---the implementation of the bottom navigation bar of fragment--Reprint Please specify Source: Coder-pigIn Part 4 we reviewed the basic concepts of fragment, and in this section we will learn the simple examples of fragment applications.is to use fragmen