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、
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< 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
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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:
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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。