android-optionsmenu

问题 I'm trying to implement optionsMenu in a WL application, testing it in Android (sdk level 10 in my project settings, runtime is Android 4.0.3). But no menu is available. I'm connecting to my local server through HTC usb pass-through, so i have to deal with worklight settings to change network address. I've gone through IBM doc (WL getting started and infocenter), but there is no full explanation/code. Here are my questions/issues: 1) how to deal with worklight settings in application

问题 The onOptionsItemSelected(MenuItem item) method can be used to identify a click on each menu item. But i need to have a listener that can identify the click on the menu title (3 vertical dots at the top right of action bar). How could i implement one? 回答1: You can override onMenuOpened (javadoc) on your activity. 回答2: When you choose basic activity , you get that 3 dot menu with it. You don't have to add any click listener to that button it is created automatically. Try to run the app in

问题 The onOptionsItemSelected(MenuItem item) method can be used to identify a click on each menu item. But i need to have a listener that can identify the click on the menu title (3 vertical dots at the top right of action bar). How could i implement one? 回答1: You can override onMenuOpened (javadoc) on your activity. 回答2: When you choose basic activity , you get that 3 dot menu with it. You don't have to add any click listener to that button it is created automatically. Try to run the app in

问题 I have an android application which kind of like a home screen of the build-in screen on android phone. I can list all the available applications and run them. One thing I don't know how to do is when user run an application from my apps, my application can trigger the hardware menu button to show the current application menus. Is this possible ? If not, what about doing it if the device was rooted. 回答1: In activity use override onKeyDown like this : @Override public boolean onKeyDown(int

问题 I have an android application which kind of like a home screen of the build-in screen on android phone. I can list all the available applications and run them. One thing I don't know how to do is when user run an application from my apps, my application can trigger the hardware menu button to show the current application menus. Is this possible ? If not, what about doing it if the device was rooted. 回答1: In activity use override onKeyDown like this : @Override public boolean onKeyDown(int

问题 This question already has answers here : Android options menu icon won't display (3 answers) Closed 4 years ago . I have created an options menu with an icon I made myself (24px x 24px) but it is not showing. The code in my xml (located in res/menu) is the following: <?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/menu_insert" android:icon="@drawable/menu_add" android:title="@string/menu_insert" /> </menu> The

问题 I have an app that adds items to an sqlite database and returns a cursor, this cursor is then used with a custom CursorAdapter called StoreCursorAdapter to show the items in a ListView. There is a (delete all) button as an optionsMenuItem. I want to hide this optionsMenuItem when no items are avaliable in the ListView. InventoryActivty EditorActivity Sorry for the links I am a new user so they don't allow me to embed images yet. :-( @Override protected void onCreate(Bundle savedInstanceState)

问题 I am using ActionBarSherlock, along with several MenuItem s that I dynamically manage, depending on program state. Specifically, I save the MenuItem s into instance variables in the Activity 's onCreateOptionsMenu() method, and then can show and/or hide them as needed later in the Activity . However, I found that the MenuItem variables can be lost on configuration changes, such as device rotation. So I also put them into a Parcel and pass them to onSaveInstanceState() for restoral through the

问题 I am trying to get my options menu to redraw (from within the same activity) that I call a Login Dialog. Here is setup. From any Activity in app, user can click on overflow/options menu and click login. A dialog pops up and they can hopefully login successfully. The dialog then finish()'s. If you click on menu it still says "login" - and not "logout". It seems I am not using invalidateOptionsMenu right? Here is code: Options Menu Code from where dialog is called: case R.id.Login: Intent i =

问题 I'm using a menu item on the action bar and I want to share my app by clicking the share icon. When I click the share icon it doesn't work. Also, I want to add text saying "install this app" when shared. Here is my code: private ShareActionProvider mShareActionProvider; @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.mainpage, menu); MenuItem item = menu.findItem(R.id.menu_item