[Android] background of custom System Menu

 

For more information, see the code.

 

 

 

 

Package lab. sodino. menutest; <br/> Import android. content. context; <br/> Import android. app. activity; <br/> Import android. OS. bundle; <br/> Import android. OS. handler; <br/> Import android. util. attributeset; <br/> Import android. view. inflateexception; <br/> Import android. view. layoutinflater; <br/> Import android. view. menu; <br/> Import android. view. menuinflater; <br/> Import android. view. menuitem; <br/> Import android. view. view; <br/> Import android. widget. toast; <br/>/** <br/> * @ author sodino E-mail: sodinoopen@hotmail.com <br/> * @ version time: 04:42:04 <br/> */<br/> public class menuact extends activity {<br/> @ override <br/> Public void oncreate (bundle savedinstancestate) {<br/> super. oncreate (savedinstancestate); <br/> setcontentview (R. layout. main); <br/>}< br/> Public Boolean oncreateoptionsmenu (menu) {<br/> super. oncreateoptionsmenu (menu); <br/> menuinflater Inflater = new menuinflater (getapplicationcontext (); <br/> Inflater. inflate (R. menu. menu, menu); <br/> setmenubackground (); <br/> return true; <br/>}< br/> Public Boolean onoptionsitemselected (menuitem item) {<br/> string info = ""; <br/> switch (item. getitemid () {<br/> case R. id. menu_add: <br/> info = "add"; <br/> break; <br/> case R. id. menu_delete: <br/> info = "delete"; <br/> break; <br/> case R. id. menu_home: <br/> info = "home"; <br/> break; <br/> case R. id. menu_help: <br/> info = "help"; <br/> break; <br/> default: <br/> info = "null"; <br/> break; <br/>}< br/> Toast = toast. maketext (this, info, toast. length_short); <br/> toast. show (); <br/> return Super. onoptionsitemselected (item); <br/>}< br/> // the key code is to override layout. factory. oncreateview () method custom Layout <br/> protected void setmenubackground () {<br/> menuact. this. getlayoutinflater (). setfactory (new android. view. layoutinflater. factory () {<br/>/** <br/> * name-tag name to be inflated. <br/> * context-the context the view is being created in. <br/> * attrs-inflation attributes as specified in XML file. <br/> */<br/> Public View oncreateview (string name, context, attributeset attrs) {<br/> // specify the custom inflate object <br/> If (name. equalsignorecase ("com. android. internal. view. menu. iconmenuitemview ") {<br/> try {<br/> layoutinflater F = getlayoutinflater (); <br/> final view = f. createview (name, null, attrs); <br/> new handler (). post (New runnable () {<br/> Public void run () {<br/> // set the background image <br/> View. setbackgroundresource (R. drawable. menu_background); <br/>}< br/>}); <br/> return view; <br/>}catch (inflateexception e) {<br/> E. printstacktrace (); <br/>} catch (classnotfoundexception e) {<br/> E. printstacktrace (); <br/>}< br/> return NULL; <br/>}< br/> }); <br/>}< br/>}

 

 

/RES/menu. xml

<? XML version = "1.0" encoding = "UTF-8"?> <Br/> <menu xmlns: Android = "http://schemas.android.com/apk/res/android"> <br/> <item Android: Id = "@ + ID/menu_add" Android: Title = "add" Android: icon = "@ drawable/menu_add"> </item> <br/> <item Android: Id = "@ + ID/menu_delete" Android: Title = "delete" Android: icon = "@ drawable/menu_delete"> </item> <br/> <item Android: Id = "@ + ID/menu_home" Android: Title = "home" Android: icon = "@ drawable/menu_home"> </item> <br/> <item Android: Id = "@ + ID/menu_help" Android: Title = "help" Android: icon = "@ drawable/menu_help"> </item> <br/> </menu>

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