[Application Girl--the third Main Interface Tab 2] Android app Market rapid development

Application of the market, the Top Game category tab games and software classification, is implemented with ViewPage.

The specific implementation code is as follows.

public class Mytabview extends LinearLayout {/** the context. */private context context;/** the M tab selector. */private        Runnable Mtabselector; /** the M listener.        */Private Viewpager.onpagechangelistener Mlistener; /** The M Max tab width.        */public int mmaxtabwidth; /** The M selected tab index.        */private int mselectedtabindex; The background of the/** tab.        */private int tabbackgroundresource =-1; /** the text size of the tab. */private int tabtextsize = 30;/** Tab's text color. */private int tabtextcolor = color.black;/** Tab's selected text color. */private int tabselectcolor = color.black;/** tab's linear layout. */private linearlayout mtablayout = null;/** tab of the linear layout parent. */private Horizontalscrollview Mtabscrollview = null;/** the M view Pager. */private myviewpage mviewpager;/** tab text. */private list<string> tabitemtextlist = null;/** tab's icon. */private list<drawable> tabitemdrawablelist = view of the null;/** content. */private arraylist<fragment> pageritemlist = List of null;/** tabs. */privateArraylist<textview> Tabitemlist = Adapter for null;/** content area.        */private Abfragmentpageradapter mfragmentpageradapter = null; /** The M tab click Listener. */private Onclicklistener Mtabclicklistener = new Onclicklistener () {public void OnClick (view view) {A            Btabitemview Tabview = (abtabitemview) view;        Mviewpager.setcurrentitem (Tabview.getindex ());    }    };     /** * Instantiates a new AB sliding tab view.    * * @param context the context * * Public abslidingtabview (Context context) {This (context, NULL);     }/** * Instantiates a new AB sliding tab view. * * @param context the context * @param attrs the attrs * * Public <span style= "Font-family:arial, Helve TICA, Sans-serif; " >mytabview </span><span style= "font-family:arial, Helvetica, Sans-serif;"        > (Context context, AttributeSet Attrs) {</span> super (context, attrs);                This.context = context; This.setOrientation (linearlayout.vertical); This.setbackgroundcolor (Color.rgb (255, 255, 255)); Mtabscrollview = new Horizontalscrollview (context); mtabscrollview.sethorizontalscrollbarenabled (false); Mtabscrollview.setsmoothscrollingenabled (true); mtablayout = new LinearLayout (context); Mtablayout.setorientation ( Linearlayout.horizontal); mtablayout.setgravity (gravity.center);//mtablayout is the content width Mtabscrollview.addview ( Mtablayout, New Viewgroup.layoutparams (ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.FILL_PARENT)); This.addview (mtabscrollview,new viewgroup.layoutparams (ViewGroup.LayoutParams.FILL_PARENT,        ViewGroup.LayoutParams.WRAP_CONTENT));  The adaptation of the content's view Mviewpager = new Myviewpage (context);  Manually created Viewpager, you must call the SetId () method to set an ID Mviewpager.setid (1985);      Pageritemlist = new arraylist<fragment> ();  Define tab Bar Tabitemlist = new arraylist<textview> ();  Tabitemtextlist = new arraylist<string> ();         Tabitemdrawablelist = new arraylist<drawable> ();    }    public void Initchilldmanager (Fragmentmanager mfragmentmanager) {//required must be an instance of fragmentactivity, if (Mfragmentman Ager==null) {//If the above one is fragment please pass, Childsupport come over mfragmentmanager= ((fragmentactivity) this.context).    Getsupportfragmentmanager ();    } mfragmentpageradapter = new Abfragmentpageradapter (Mfragmentmanager, pageritemlist);    Mviewpager.setadapter (Mfragmentpageradapter);    Mviewpager.setonpagechangelistener (New Myonpagechangelistener ());          Mviewpager.setoffscreenpagelimit (3);    This.addview (mviewpager,new linearlayout.layoutparams (layoutparams.fill_parent, LayoutParams.FILL_PARENT));     }/** * The Listener interface for receiving Myonpagechange events. * The class is interested in processing a myonpagechange * Event implements this interface, and the object create D * With that class are registered with a component using the * component ' s &LT;CODE&GT;ADDMYONPAGECHANGELISTENER&L T;code> method. When * the MyonpagechangE event occurs, that the object ' s appropriate * method is invoked. * * @see Myonpagechangeevent */public class Myonpagechangelistener implements onpagechangelistener{/* (Non-jav ADOc) * @see android.support.v4.view.viewpager.onpagechangelistener#onpagescrollstatechanged (int) */@ overridepublic void onpagescrollstatechanged (int arg0) {if (Mlistener! = null) {Mlistener.onpagescrollstatecha        Nged (arg0); }}/* (non-javadoc) * @see android.support.v4.view.viewpager.onpagechangelistener#onpagescrolled (int, float, int) */@ overridepublic void onpagescrolled (int arg0, float arg1, int arg2) {if (Mlistener! = null) {Mlistener.onpagesc        Rolled (arg0, arg1, arg2); }}/* (non-javadoc) * @see android.support.v4.view.viewpager.onpagechangelistener#onpageselected (int) */@        overridepublic void onpageselected (int arg0) {setcurrentitem (arg0);        if (Mlistener! = null) {mlistener.onpageselected (arg0); }}}/* (non-javadoc) * @see Android.widget.linearlayout#onmeasure (int, int) */@Override public void onmeasure (int widthmeasurespec, int heightme        ASURESPEC) {final int widthmode = Measurespec.getmode (Widthmeasurespec);        Final Boolean lockedexpanded = Widthmode = = measurespec.exactly;        Mtabscrollview.setfillviewport (lockedexpanded);        Final int childCount = Mtablayout.getchildcount (); if (ChildCount > 1 && (widthmode = = measurespec.exactly | | widthmode = = measurespec.at_most)) {if (            ChildCount > 2) {mmaxtabwidth = (int) (Measurespec.getsize (widthmeasurespec) * 0.4f);            } else {mmaxtabwidth = Measurespec.getsize (widthmeasurespec)/2;        }} else {mmaxtabwidth =-1;        } final int oldwidth = Getmeasuredwidth ();        Super.onmeasure (Widthmeasurespec, Heightmeasurespec);        Final int newwidth = Getmeasuredwidth (); if (lockedexpanded && oldwidth! = newwidth) {           Recenter The tab display if we ' re at a new (scrollable) size.        Setcurrentitem (Mselectedtabindex);  }}/** * scrolling animation * * @param position the position */private void Animatetotab (final int position)        {final View Tabview = mtablayout.getchildat (position);         if (mtabselector! = null) {//The tab selected earlier is not null to remove removecallbacks (mtabselector); } mtabselector = new Runnable () {//tab scrolling effect public void run () {final int scrollpos = tab                View.getleft ()-(GetWidth ()-tabview.getwidth ())/2;                Mtabscrollview.smoothscrollto (scrollpos, 0);            Mtabselector = null;        }        };    Post (Mtabselector); }/* (non-javadoc) * @see Android.view.view#onattachedtowindow () */@Override public void Onattachedtowin        Dow () {Super.onattachedtowindow ();        if (mtabselector! = null) {//re-post the selector we saved    Post (Mtabselector); } */* (non-javadoc) * @see Android.view.view#ondetachedfromwindow () */@Override public void Ondetach        Edfromwindow () {Super.ondetachedfromwindow ();        if (mtabselector! = null) {removecallbacks (mtabselector);     }}/** * Description: Create a tab. * * @param text The text * @param index the index */private void AddTab (String text, int index) {ADDTA    B (Text,index,null);     }/** * Description: Create a tab. * * @param text The text * @param index the index * @param top of the top */private void AddTab (String te        XT, int index,drawable top) {Abtabitemview Tabview = new Abtabitemview (this.context);        if (tabbackgroundresource!=-1) {tabview.settabbackgroundresource (Tabbackgroundresource);        } if (Top!=null) {tabview.settabcompounddrawables (null, top, NULL, NULL);    } tabview.settabtextcolor (Tabtextcolor); Tabview.settabtextsize (tAbtextsize);        Tabview.init (Index,text);        Tabitemlist.add (Tabview.gettextview ());        Tabview.setonclicklistener (Mtabclicklistener);    Mtablayout.addview (Tabview, New Layoutparams (0,layoutparams.match_parent,1));     }/** * Description: Tab has a change refresh.        */public void notifytabdatasetchanged () {mtablayout.removeallviews ();        Tabitemlist.clear ();        Final int count = Mfragmentpageradapter.getcount (); for (int i = 0; i < count; i++) {if (Tabitemdrawablelist.size () >0) {AddTab (Tabitemtextlist.get (i), i,t        Abitemdrawablelist.get (i));        }else{AddTab (Tabitemtextlist.get (i), i);        }} if (Mselectedtabindex > Count) {mselectedtabindex = count-1;        } setcurrentitem (Mselectedtabindex);    Requestlayout ();     }/** * Description: Sets which one is displayed. * * @param item The new current item */public void Setcurrentitem (int item) {if (Mviewpager = = NULL{throw new IllegalStateException ("Viewpager have not been bound.");        } Mselectedtabindex = Item;        Final int tabcount = Mtablayout.getchildcount ();            for (int i = 0; i < Tabcount; i++) {final Abtabitemview child = (Abtabitemview) mtablayout.getchildat (i);            Final Boolean isSelected = (i = = Item);            Child.setselected (isSelected);                if (isSelected) {child.settabtextcolor (tabselectcolor);            Animatetotab (item);            }else{Child.settabtextcolor (Tabtextcolor);     }}}/** * Description: Set an external listener. * * @param listener the new on page change listener */public void Setonpagechangelistener (Viewpager.onpagechan    Gelistener listener) {Mlistener = listener; }/** * Description: Sets the color of the tab text. * * @param tabcolor the new tab text color */public void settabtextcolor (int tabcolor) {this.tabtextcolor = Tabcolor;} /** * Description: Sets the selected color. * * @param tabcolor the new tab select Color */public void settabselectcolor (int tabcolor) {this.tabselectcolor = Tabcolor;} /** * Description: Sets the text size. * * @param tabtextsize the new tab text size */public void settabtextsize (int tabtextsize) {this.tabtextsize = Tabtextsize ;} /** * Description: Sets the background selector for a single tab. * * @param resid the new tab background resource */public void Settabbackgroundresource (int resid) {Tabbackgroundresou    Rce = Resid; }/** * Description: Sets the background of the tab. * * @param resid the new tab layout background resource */public void Settablayoutbackgroundresource (int resid) {This.mtab Layout.setbackgroundresource (RESID);} /** * Description: Adds a set of content and tab. * * @param tabtexts the tab texts * @param fragments the Fragments */public void Additemviews (list<string> tabtexts, List<fragment> fragments) {Tabitemtextlist.addall (tabtexts);p ageritemlist.addall (fragments); Mfragmentpageradapter.notifydatasetchanged (); notifytabdatasetchanged ();} /** * Description: Adds a set of content and tab. * * @param tabtexts the tab texts * @param fragments the fragments * @param drawables the drawables */public void Additemviews (list<string> tabtexts,list<fragment> fragments,List<Drawable > Drawables) {tabitemtextlist.addall (tabtexts);p ageritemlist.addall (fragments); Tabitemdrawablelist.addall ( Drawables); mfragmentpageradapter.notifydatasetchanged (); notifytabdatasetchanged ();} /** * Description: Add a content with tab. * * @param tabtext the tab text * @param fragment the Fragment */public void Additemview (String tabtext,fragment fragment) {Tabitemtextlist.add (Tabtext);p ageritemlist.add (fragment); mfragmentpageradapter.notifydatasetchanged (); Notifytabdatasetchanged ();} /** * Description: Add a content with tab. * * @param tabtext the tab text * @param fragment the fragment * @param drawable the drawable */public void Additemview (St Ring Tabtext,fragment fragment,drawable drawable) {tabitemtextlist.add (Tabtext);p ageritemlist.add (Fragment); Tabitemdrawablelist.add (drawable); mfragmentpageradapter.notifydatasetchanged (); notifytabdatasetchanged ();} /** * Description: Delete one. * * @param index the index */public void RemoveiteMView (int index) {mtablayout.removeviewat (index);p ageritemlist.remove (index); tabitemlist.remove (index); Tabitemdrawablelist.remove (index); tabitemtextlist.remove (index); Mfragmentpageradapter.notifydatasetchanged (); notifytabdatasetchanged ();} /** * Description: Delete all. */public void Removeallitemviews () {mtablayout.removeallviews ();p ageritemlist.clear (); Tabitemlist.clear (); Tabitemdrawablelist.clear (); Tabitemtextlist.clear (); Mfragmentpageradapter.notifydatasetchanged (); notifytabdatasetchanged ();} /** * Description: Gets the viewpager of this view. * * @return The View pager */public Viewpager Getviewpager () {return mviewpager;} /** * Description: Sets the margin for each tab. * @param left, @param top the top * @param right, right * @param bottom the bottom */public void settabpadd ing (int left, int top, int. right, Int. bottom) {for (int i = 0;i<tabitemlist.size (); i++) {TextView TV = Tabitemlist.get (i)    ; Tv.setpadding (left, top, right, bottom);}} }

Custom ViewPage

Resolve  ViewPage Nested viewpage

Package Com.ferris.view;import Android.content.context;import Android.support.v4.view.viewpager;import Android.util.attributeset;import Android.view.view;public class Myviewpage extends Viewpager {public MyViewPage ( Context context) {super (context);//TODO auto-generated Constructor Stub}public myviewpage (context context, AttributeSet attrs) {Super (context, attrs);//TODO auto-generated constructor stub} @Overrideprotected Boolean CanScroll (View V, boolean checkv, int dx, int x, int y)   {if (v! = This && v instanceof abslidingplayview) {//resolve ViewPage nested viewpage return true; } return Super.canscroll (V, checkv, DX, x, y);}  If the child viewpager are at the end, scroll the parent////protected boolean canscroll (View V, boolean checkv, int dx, int x, int y) {//if (v! = This && v instanceof viewpager) {//int currentitem = ((Viewpager) v). Getcurr Entitem ();//int countitem = ((Viewpager) v). Getadapter (). GetCount ();/if (currentitem== (countitem-1) && dx<0) | | (currentitem==0 && dx>0))  {//return false;//}//return true;//}//return Super.canscroll (V, checkv, DX, x, y);//}}

[Application Girl--the third Main Interface Tab 2] Android app Market rapid development