Using PopupMenu in Android apps

Final effect:

Page layout:

1 <?XML version= "1.0" encoding= "Utf-8"?>2 <LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Android:layout_width= "Fill_parent"4 Android:layout_height= "Fill_parent"5 Android:background= "#FFFFFF"6 android:orientation= "vertical" >7 8     <Relativelayout9         Android:layout_width= "Fill_parent"Ten Android:layout_height= "45DP" One Android:background= "#303538" > A         <Button -             Android:id= "@+id/button_showpopup" - Android:layout_width= "Wrap_content" the Android:layout_height= "Fill_parent" - Android:layout_alignparentright= "true" - Android:background= "#303538" - Android:text= "┇" + Android:textcolor= "#FFFFFF" - android:textsize= "20SP" > +         </Button> A     </Relativelayout> at  - </LinearLayout>

popupmenu Layout (file in menu directory):

1 <?XML version= "1.0" encoding= "Utf-8"?>2 <Menuxmlns:android= "Http://schemas.android.com/apk/res/android" >3 4     <Item5         Android:id= "@+id/about"6 android:orderincategory= "+"7 android:showasaction= "Never"8 Android:title= "about">9     </Item>Ten     <Item One         Android:id= "@+id/exit" A android:orderincategory= "+" - android:showasaction= "Never" - Android:title= "Exit"> the     </Item> -  - </Menu>

Background code:

1  PackageCom.wangzhen.popup;2 3 Importandroid.app.Activity;4 ImportAndroid.os.Bundle;5 ImportAndroid.view.MenuItem;6 ImportAndroid.view.View;7 ImportAndroid.view.View.OnClickListener;8 ImportAndroid.view.Window;9 ImportAndroid.widget.Button;Ten ImportAndroid.widget.PopupMenu; One ImportAndroid.widget.Toast; A  -  Public classMainextendsActivityImplementsOnclicklistener, - Android.widget.PopupMenu.OnMenuItemClickListener { the     /**Called when the activity is first created.*/ -     PrivateButton Button_showpopup; -  - @Override +      Public voidonCreate (Bundle savedinstancestate) { -         Super. OnCreate (savedinstancestate); + requestwindowfeature (window.feature_no_title); A Setcontentview (r.layout.main); at initviews (); -     } -  -     //Initializing the control -     Private voidinitviews () { -         //TODO auto-generated Method Stub inButton_showpopup =(Button) Findviewbyid (r.id.button_showpopup); -Button_showpopup.setonclicklistener ( This); to     } +  -      Public voidOnClick (View arg0) { the         //TODO auto-generated Method Stub *         Switch(Arg0.getid ()) { $          CaseR.id.button_showpopup:Panax NotoginsengPopupMenu pop =NewPopupMenu ( This, arg0); - pop.getmenuinflater (). Inflate (R.menu.menu, Pop.getmenu ()); the pop.show (); +Pop.setonmenuitemclicklistener ( This); A              Break; the         } +     } -  $      Public BooleanOnmenuitemclick (MenuItem arg0) { $         //TODO auto-generated Method Stub -         Switch(Arg0.getitemid ()) { -          Caser.id.about: theToast.maketext ( This, "about", 1000). Show (); -              Break;Wuyi          CaseR.id.exit: the finish (); -              Break; Wu         } -         return false; About     } $}