android-optionsmenu

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 savedInstanceState mechanism in the next onCreate() call, if needed. This seems to work fine in the

I have an options menu in the action bar, and it does not appear on certain devices which have hardware menu button. I must make it appear in the action bar despite having a hardware button... How can I do it? Put this in your onCreate method: try { ViewConfiguration config = ViewConfiguration.get(this); Field menuKeyField = ViewConfiguration.class .getDeclaredField("sHasPermanentMenuKey"); if (menuKeyField != null) { menuKeyField.setAccessible(true); menuKeyField.setBoolean(config, false); } } catch (Exception ex) { } 来源： https://stackoverflow.com/questions/26010876/options-menu-does-not

This question already has an answer here: Android options menu icon won't display 3 answers 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 menu is created in my Activity.java file as said in the documentation: public boolean onCreateOptionsMenu(Menu menu) { super

I have this item in my options menu: <item android:id="@+id/opt_mnu_action" android:icon="@android:drawable/ic_dialog_info" android:orderInCategory="1" android:showAsAction="ifRoom" android:title="New"> </item> The menu itself created in main FragmentActivity. I want to change this item's icon programmatically depending on the open Fragment and, obviously, have different actions when the user hits this button. I tried several things to do that, but nothing worked. The last thing I tried was this code in my Fragment's onCreateView method: MenuItem mi = (MenuItem) view.findViewById(R.id.opt_mnu

Currently I have an overflow menu which has default width: What I want is: I have tried changing the theme this way: <style name="MyWorkspaceDetailTheme" parent="@android:style/Theme.Holo.Light.DarkActionBar"> <item name="android:popupMenuStyle">@style/MyPopupMenu</item> </style> <style name="MyPopupMenu" parent="@android:style/Widget.Holo.ListPopupWindow"> <item name="android:dropDownWidth">30dp</item> </style> but didn't got any success. Please can anyone help. I was follwing this[ http://keepsafe.github.io/2014/11/19/building-a-custom-overflow-menu.html] tutorial but it did not mention way

I have the following method overridden in my tab Activity and it works fine like that but I want specific option menu's for each fragment. When I put this in my fragment and press the menu button, nothing happens. @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { MenuInflater inflater = getSupportMenuInflater(); inflater.inflate(R.menu.activity_calc, menu); return true; } CommonsWare You need to call setHasOptionsMenu(true) on your fragment before it can participate in the action bar. May I suggest you check out http://code.google.com/p/sherlock-demo/ . As

I have options menu item in my application. Requirement was to add a toggle button to a menu item. Is this possible? As of this writing there are 3 options . 1) Use app:actionViewClass . Example: <?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"> <item android:title="Switch!" app:actionViewClass="android.widget.Switch" app:showAsAction="always" /> </menu> 2) You can use a custom layout in a menu item to add toggle button. Example: Create a layout with Switch (alternatively, you may also

I have this code to create the menu: @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.tip_menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case MNU_PREV: animateTextViewsPrev(); break; case MNU_NEXT: animateTextViewsNext(); break; } return true; } And the XML: <?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/prev_tip" android:title="