Android Getting Started learning notes-dish single

Mainactivity.java Start Loading Menu

@Overridepublic boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu; This adds items to the action bar if it is PR Esent.getmenuinflater (). Inflate (R.menu.main, menu); return true;}

Configure the menu under Res under menu Main.xml

<item        android:id= "@+id/lidl"        android:orderincategory= "android:title="          @string/action_ Settings "/>    <item        android:id=" @+id/end "android:orderincategory=" "android:title="          @ String/end "/>

Android:orderincatagory Menu Sorting

Android:id Index PRIMARY key

Android:title Menu Name

Menu Response Events

public boolean onoptionsitemselected (MenuItem item) {switch (Item.getitemid ()) {case R.id.lidl:toast.maketext (this, " T1 ", Toast.length_short). Show (); Break;case R.id.end:toast.maketext (This," T2 ", Toast.length_short). Show (); return super.onoptionsitemselected (item);}

Through the brothers Lianyun Classroom, know the menu settings of the process, and 2.3 before the menu can customize the icon, 2.3 after the cancellation of the function

At this stage, a lot of calls to the method feel a bit masked

Android Getting Started learning notes-dish single