android-actionbar

问题 Is onCreateOptionsMenu() of action bar called before or after the onStart() of activity? 回答1: onStart() is called first. (I tried putting log messages in the methods). 回答2: I found this order to be the correct one onCreate() - onStart() - onResume()- onCreateOptionsMenu() 回答3: This is only called once, the first time the options menu is displayed. To update the menu every time it is displayed, see onPrepareOptionsMenu(Menu). This is written in the Android documentation. 来源： https:/

问题 I tried to use the android support library v7 to add an action bar to my activity my extending tht actionbar activity. A blank fragment has been also built to make a tab. However, the content of the fragment is overlapping the action bar. How can I fix it? 回答1: I read it here ActionBar with support library and Fragments overlay content I am sure it will help you : For pre ICS devices you must use: R.id.action_bar_activity_content instead of android.R.id.content R.id.action_bar_activity

问题 When I change my theme styles <style name="Theme.mystyle" parent="@style/Theme.AppCompat.Light"> to <style name="Theme.mystyle" parent="@style/Theme.AppCompat.Light.DarkActionBar"> Not working at all. <style name="PopupMenu.mystyle" parent="@style/Widget.AppCompat.Light.PopupMenu"> <item name="android:textStyle">bold</item> <item name="android:popupBackground">@drawable/menu_dropdown_panel</item> </style> 回答1: Check this generator to get working styles: http://jgilfelt.github.com/android

问题 I am trying to add an ActionBarSherlock with 4 tabs to my application. I tried to extend from SherlockActivity then SherlockFragmentActivity`, but I still get this Exception: java.lang.IllegalStateException: Action Bar Tab must have a Callback. import java.io.IOException; import java.net.URL; import java.util.ArrayList; import java.util.List; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache

问题 I am working on a app with action bar for navigation. Now I am trying to add a Spinner to the ActionBar . I am able to get my custom icon on the ActionBar . But when I add entries into the spinner, the icon is hidden behind the selection box with first item selected. I want to have only the icon in the ActionBar and the drop-down-list/spinner to appear when tapped on the icon. This is my code : private void initializeMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater

问题 So I'm trying to style the tabs of my Actionbar, which I've implemented using the ActionBarSherlock library. This is my code: <style name="Theme.AndroidDevelopers" parent="Theme.Sherlock.Light.ForceOverflow"> <item name="actionBarTabStyle">@style/CustomActionBarStyle</item> <item name="android:actionBarTabStyle">@style/CustomActionBarStyle</item> <style name="CustomActionBarStyle" parent="Widget.Sherlock.Light.ActionBar.TabBar"> <item name="android:background">@drawable/actionbar_tab_bg</item

问题 I'm creating an app with Tab navigation. I display icons instead of text. I want the tabs to only wrap the image, so I won't have to scroll to reach all the tabs. How can I create tabs that just fills the screen? This is how the tabs currently look: You can see I need to scroll... There is another tab that is unseen in this screenshot. This is my code for creating the tabs: final ActionBar actionBar = getSupportActionBar(); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); //

问题 When i set these attributes: actionBar = getSupportActionBar(); actionBar.setDisplayHomeAsUpEnabled(true); actionBar.setDisplayShowHomeEnabled(false); actionBar.setDisplayShowTitleEnabled(true); actionBar.setTitle("Title"); actionBar.setLogo(null); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); The ActionBar is below its Tabs . But if i comment this Like: actionBar.setDisplayShowHomeEnabled(false); It works fine. But the reason i want it to be false is, to avoid the appIcon

问题 When i set these attributes: actionBar = getSupportActionBar(); actionBar.setDisplayHomeAsUpEnabled(true); actionBar.setDisplayShowHomeEnabled(false); actionBar.setDisplayShowTitleEnabled(true); actionBar.setTitle("Title"); actionBar.setLogo(null); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); The ActionBar is below its Tabs . But if i comment this Like: actionBar.setDisplayShowHomeEnabled(false); It works fine. But the reason i want it to be false is, to avoid the appIcon

问题 Currently I'm busy on a WHMCS app for my company. As navigation I want to use the Tab functionality in the actionbar. However, how can you edit the width of a tab? I need 5 together on one screen without the need to scroll. I already tried it with some styles like this: <style name="AppBaseTheme" parent="android:Theme.Light"> </style> <style name="AppTheme" parent="AppBaseTheme"> <item name="@android:attr/actionBarTabStyle">@style/tab_nav</item> <item name="android:actionBarTabTextStyle">