android创建optionsmenu的方法
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、
<menuxmlns:android="http://schemas.android.com/apk/res/android"> <itemandroid:id="@+id/about" android:title="关于" android:checkable="true"/> <itemandroid:id="@+id/choose" android:title="选择"/> <itemandroid:id="@+id/quit" android:title="QUIT"/> </menu>
2、activity类中加入代码
publicbooleanonCreateOptionsMenu(Menumenu){ MenuInflaterinflater=getMenuInflater(); inflater.inflate(R.menu.options_menu,menu); returnsuper.onCreateOptionsMenu(menu); } publicbooleanonOptionsItemSelected(MenuItemaitem) { super.onOptionsItemSelected(aitem); switch(aitem.getItemId()) { caseR.id.about: setTitle("你按下了'关于'菜单项"); progressBarHorizontal.setProgress(200); openOptionsDialog(); break; caseR.id.choose: setTitle("你按下了'选择'菜单项"); openOptionsChooseDialog(); break; caseR.id.quit: setTitle("你按下了'离开'菜单项"); finish(); break; } returntrue; } privatevoidopenOptionsDialog() { newAlertDialog.Builder(this) .setTitle(R.string.app_about) .setMessage(R.string.app_about_msg) .setPositiveButton(R.string.str_ok,newDialogInterface.OnClickListener() { publicvoidonClick(DialogInterfacedialoginterface,inti) { } }) .show(); } privatevoidopenOptionsChooseDialog() { newAlertDialog.Builder(this) .setTitle(R.string.str_alert) .setItems(R.array.items_irdc_dialog,newDialogInterface.OnClickListener() { publicvoidonClick(DialogInterfacedialoginterface,inti) {/* String[]aryShop=getResources().getStringArray(R.array.items_irdc_dialog); newAlertDialog.Builder(this) .setMessage(R.string.app_about_msg) .setPositiveButton(R.string.str_ok,newDialogInterface.OnClickListener() { publicvoidonClick(DialogInterfacedialoginterface,inti) { } }) .show();*/ } }) .show(); }
OK。。。
二、直接上代码:
publicstaticfinalintABOUT_ID=Menu.FIRST; publicstaticfinalintCHOOSE_ID=Menu.FIRST+1; publicstaticfinalintEXIT_ID=Menu.FIRST+2; publicbooleanonCreateOptionsMenu(Menumenu) { 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); returnsuper.onCreateOptionsMenu(menu); } publicbooleanonOptionsItemSelected(MenuItemaitem) { super.onOptionsItemSelected(aitem); switch(aitem.getItemId()) { caseABOUT_ID: setTitle("你按下了'关于'菜单项"); progressBarHorizontal.setProgress(200); openOptionsDialog(); break; caseCHOOSE_ID: setTitle("你按下了'选择'菜单项"); openOptionsChooseDialog(); break; caseEXIT_ID: setTitle("你按下了'离开'菜单项"); finish(); break; } returntrue; } privatevoidopenOptionsDialog() { newAlertDialog.Builder(this) .setTitle(R.string.app_about) .setMessage(R.string.app_about_msg) .setPositiveButton(R.string.str_ok,newDialogInterface.OnClickListener() { publicvoidonClick(DialogInterfacedialoginterface,inti) { } }) .show(); } privatevoidopenOptionsChooseDialog() { newAlertDialog.Builder(this) .setTitle(R.string.str_alert) .setItems(R.array.items_irdc_dialog,newDialogInterface.OnClickListener() { publicvoidonClick(DialogInterfacedialoginterface,inti) {/* String[]aryShop=getResources().getStringArray(R.array.items_irdc_dialog); newAlertDialog.Builder(this) .setMessage(R.string.app_about_msg) .setPositiveButton(R.string.str_ok,newDialogInterface.OnClickListener() { publicvoidonClick(DialogInterfacedialoginterface,inti) { } }) .show();*/ } }) .show(); }
希望本文所述对大家的Android程序设计有所帮助。