本文实例讲述了android创建optionsmenu的方法。分享给大家供大家参考。具体实现方法如下:
一、用xml配置
在res文件夹下新建menu文件夹,menu下新建options_menu.xml文件,加入代码
1、
<menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/about" android:title="关于" android:checkable="true" /> <item android:id="@+id/choose" android:title="选择" /> <item android:id="@+id/quit" android:title="quit" /> </menu>
2、activity类中加入代码
public boolean oncreateoptionsmenu(menu menu) { menuinflater inflater = getmenuinflater(); inflater.inflate(r.menu.options_menu, menu); return super.oncreateoptionsmenu(menu); } public boolean onoptionsitemselected(menuitem aitem) { super.onoptionsitemselected(aitem); switch(aitem.getitemid()) { case r.id.about: settitle("你按下了'关于'菜单项"); progressbarhorizontal.setprogress(200); openoptionsdialog(); break; case r.id.choose: settitle("你按下了'选择'菜单项"); openoptionschoosedialog(); break; case r.id.quit: settitle("你按下了'离开'菜单项"); finish(); break; } return true; } private void openoptionsdialog() { new alertdialog.builder(this) .settitle(r.string.app_about) .setmessage(r.string.app_about_msg) .setpositivebutton(r.string.str_ok, new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialoginterface, int i) { } }) .show(); } private void openoptionschoosedialog() { new alertdialog.builder(this) .settitle(r.string.str_alert) .setitems(r.array.items_irdc_dialog, new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialoginterface, int i) {/* string[] aryshop = getresources().getstringarray(r.array.items_irdc_dialog); new alertdialog.builder(this) .setmessage(r.string.app_about_msg) .setpositivebutton(r.string.str_ok, new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialoginterface, int i) { } }) .show();*/ } }) .show(); }
ok。。。
二、直接上代码:
public static final int about_id = menu.first; public static final int choose_id = menu.first + 1; public static final int exit_id = menu.first + 2; public boolean oncreateoptionsmenu(menu menu) { menu.add(0, about_id, 0, r.string.app_about); menu.add(0, choose_id, 0, r.string.str_choose); menu.add(0, exit_id, 0, r.string.str_exit); return super.oncreateoptionsmenu(menu); } public boolean onoptionsitemselected(menuitem aitem) { super.onoptionsitemselected(aitem); switch(aitem.getitemid()) { case about_id: settitle("你按下了'关于'菜单项"); progressbarhorizontal.setprogress(200); openoptionsdialog(); break; case choose_id: settitle("你按下了'选择'菜单项"); openoptionschoosedialog(); break; case exit_id: settitle("你按下了'离开'菜单项"); finish(); break; } return true; } private void openoptionsdialog() { new alertdialog.builder(this) .settitle(r.string.app_about) .setmessage(r.string.app_about_msg) .setpositivebutton(r.string.str_ok, new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialoginterface, int i) { } }) .show(); } private void openoptionschoosedialog() { new alertdialog.builder(this) .settitle(r.string.str_alert) .setitems(r.array.items_irdc_dialog, new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialoginterface, int i) {/* string[] aryshop = getresources().getstringarray(r.array.items_irdc_dialog); new alertdialog.builder(this) .setmessage(r.string.app_about_msg) .setpositivebutton(r.string.str_ok, new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialoginterface, int i) { } }) .show();*/ } }) .show(); }
希望本文所述对大家的android程序设计有所帮助。
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