The effect of--fragment and viewpager of rabbits on switching and skidding

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Directory structure:

Code Analysis:

Mainactivity.java

Package com.example.myfragment;/** * @author Arthur Lee * @time 04/08/2014 * */import java.util.arraylist;import ANDROID.O S.bundle;import Android.support.v4.app.fragment;import Android.support.v4.app.fragmentactivity;import Android.support.v4.view.viewpager;import Android.support.v4.view.viewpager.onpagechangelistener;import Android.util.log;import Android.view.view;import Android.view.view.onclicklistener;import Android.widget.linearlayout;import Android.widget.radiobutton;import Com.fragment.firstfragment;import Com.fragment.fourthfragment;import Com.fragment.secondfragment;import Com.fragment.thirdfragment;public Class Mainactivity extends fragmentactivity {arraylist<fragment> fragment;public static Viewpager viewpager;public Static arraylist<radiobutton> RB; LinearLayout llayout;//Viewpager Adapter, but in order to combine with fragment, to customize the adapter Myadapter adapter; @Overrideprotected void OnCreate ( Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (R.layout.activity_main); inItview (); Initbutton (); Initadapter ();} public void Initview () {Viewpager = (Viewpager) Findviewbyid (r.id.main_viewpager); llayout = (linearlayout) findViewById (R.ID.ZONE_RBT); fragment = new arraylist<fragment> (); Fragment.add (new Firstfragment ()); Fragment.add (new Secondfragment ()); Fragment.add (new Thirdfragment ()); Fragment.add (new Fourthfragment ());} public void Initadapter () {adapter = new Myadapter (Getsupportfragmentmanager (), fragment); Viewpager.setadapter ( adapter); Viewpager.setonpagechangelistener (myonpagechangelistener);//page displayed by default Viewpager.setcurrentitem (0); rb.get (0). Setchecked (true);} public void Initbutton () {RB = new arraylist<radiobutton> (); Rb.add ((RadioButton) Findviewbyid (R.id.rb_first)); /No. 1th Rb.add ((RadioButton) Findviewbyid (R.id.rb_second));//2nd Rb.add ((RadioButton) Findviewbyid (R.id.rb_third));// No. 3rd Rb.add ((RadioButton) Findviewbyid (R.id.rb_fourth));//4th for (int i = 0; i < rb.size (); i++) {Rb.get (i). Setonclicklis Tener (New MyListener (i));}} public class MyListenerImplements Onclicklistener {private int index;public mylistener (int index) {this.index = index;} @Overridepublic void OnClick (View v) {viewpager.setcurrentitem (index); rb.get (index). setchecked (True);}} Onpagechangelistener Myonpagechangelistener = new Onpagechangelistener () {//page card status changed. @Overridepublic void onpagescrollstatechanged (int arg0) {log.i ("Main", "onpagescrollstatechanged");} Page card switching process @overridepublic void onpagescrolled (int arg0, float arg1, int arg2) {log.i ("Main", "onpagescrolled");} When RadioButton is selected @overridepublic void onpageselected (int position) {log.i ("Main", "onpageselected"); Rb.get (position ). Setchecked (True);}};}

Myadapter.java

Package Com.example.myfragment;import Java.util.arraylist;import Android.support.v4.app.fragment;import Android.support.v4.app.fragmentmanager;import Android.support.v4.app.fragmentpageradapter;public class MyAdapter Extends Fragmentpageradapter {private arraylist<fragment> fragment;public Myadapter (fragmentmanager FM) {Super ( FM);//TODO auto-generated constructor stub}public myadapter (Fragmentmanager FM, arraylist<fragment> Fragment) { Super (FM);//TODO auto-generated constructor stubthis.fragment = fragment;} @Overridepublic Fragment getItem (int position) {//TODO auto-generated method Stubreturn fragment.get (position);} @Overridepublic int GetCount () {//TODO auto-generated method Stubreturn fragment.size ();}}

Firstfragment.java

Package com.fragment;/** * @author Arthur Lee * @time 04/08/2014 * */import com.example.myfragment.r;import Android.os.Bun Dle;import Android.support.v4.app.fragment;import Android.view.layoutinflater;import Android.view.View;import Android.view.viewgroup;public class Firstfragment extends fragment{    //Cache view private view view; @Overridepublic void OnCreate (Bundle savedinstancestate) {//TODO auto-generated method Stubsuper.oncreate (savedinstancestate);}    @Overridepublic View Oncreateview (layoutinflater inflater, ViewGroup container,bundle savedinstancestate) {//TODO Auto-generated method stub//If the current view is empty, initialize the view if (view = = null) {//Specifies that the current view displays View_first in Viewpager. XML, specified by layoutinflater. View = inflater.inflate (R.layout.view_first, null);} Specifies the parent class of the current view in order to invoke the Remove function of the parent class.    ViewGroup parent = (ViewGroup) view.getparent ();    if (parent! = null) {Parent.removeview (view);} return view;}}

The other three are similar to this one and are no longer available.

Here is the layout file

Main_activity.xml

<linearlayout 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:orien tation= "Vertical" tools:context= ". Mainactivity "> <!--vertical Two, with AB markers---!--A--and <linearlayout android:layout_width=" mat Ch_parent "android:layout_height=" Match_parent "android:layout_weight=" 1 "> <android.support.v4 . View. Viewpager android:id= "@+id/main_viewpager" android:layout_width= "Match_parent" Android:la yout_height= "Match_parent" > </android.support.v4.view.ViewPager> </LinearLayout> <!--B-- > <linearlayout android:id= "@+id/zone_rbt" android:layout_width= "Match_parent" android:layou t_height= "Match_parent" android:layout_weight= "6" android:orientation= "Horizontal" > <radiogrou   P         Android:layout_width= "Match_parent" android:layout_height= "Match_parent" android:gravity= "C Enter "android:orientation=" horizontal "> <radiobutton android:id=" @+id/rb_firs T "android:layout_width=" match_parent "android:layout_height=" Match_parent "a ndroid:layout_weight= "1" android:background= "@android: Color/holo_blue_light" android:text= "1 Number "/> <radiobutton android:id=" @+id/rb_second "android:layout_width=" Match_ Parent "android:layout_height=" Match_parent "android:layout_weight=" 1 "Androi                D:background= "@android: Color/holo_green_light" android:text= "No. 2nd"/> <radiobutton Android:id= "@+id/rb_third" android:layout_width= "Match_parent" android:layout_height= "           Match_parent "     android:layout_weight= "1" android:background= "@android: Color/holo_blue_light" android:t Ext= "No. 3rd"/> <radiobutton android:id= "@+id/rb_fourth" android:layout_width= "                Match_parent "android:layout_height=" Match_parent "android:layout_weight=" 1 "    Android:background= "@android: Color/holo_green_light" android:text= "No. 4th"/> </RadioGroup> </LinearLayout></LinearLayout>

View_first.xml

<?xml version= "1.0" encoding= "Utf-8"? ><linearlayout xmlns:android= "http://schemas.android.com/apk/res/ Android "    android:layout_width=" match_parent "    android:layout_height=" match_parent "    android:o rientation= "Vertical" >    <!--@author Arthur Lee--    <textview        android:id= "@+id/view_first"        android:layout_width= "wrap_content"        android:layout_height= "wrap_content"        android:text= "first page"        Android:textsize= "20SP"/></linearlayout>

The other three layout files are similar to this one and are no longer available.

The effect of--fragment and viewpager of rabbits on switching and skidding