tabactivity

问题 I have a TabActivity and inside 5 tabs with 5 activities each one. I want to set one of my tabs but not from the TabActivity(clicking on the tab on the top) but from an activity of any tab, for example clicking on a button of activity 3(which is asociated with the 3rd tab). In my TabActivity there is a variable mTabhost , which I can use to set the selected tab with mTabHost.setCurrentTab(0);//home I guess I need access to that variable from Activity1-2-3-4, and doing that variable static

问题 I would like to create tab in android but really I don't know how to create and just downloaded some video but really this isn't helpful I used TabActivity unfortunately it's deprecated :( so that I need you to help me out thanks for any suggestion 回答1: You must setup a FragmentActivity main class to run the Fragments. You need to use the FragmentTabHost class available in the support library android.support.v4.app The class for using FragmentTabHost : public class SampleTabFragment extends

问题 Well, im developing and app for api 8 with TabActivity but i found out today that " This class is deprecated. " So we should use FragmentActivity from now to implements tabs? but what about when i want to show a listview with an activity? Do i have to use ListFragment (but this is "Since: API Level 11") As anyone can see, im confuse about how to move on. It would be great if someone can provide me good and clear concepts about this issues, tabs, fragment and any other useful advice

问题 I have a main java file that sets up a series of tabs where each one calls a seperate activity in this case each activity is linked to a webpage. I am trying to implemente a progress bar in the tab activity that will show a progress bar for when a link is clicked on regardless of what tab is currently selected. I have a progress bar that i can use for a single activity but i cant get it to work for the tabs i have the progress bar defined as getWindow().setFeatureInt( Window.FEATURE_PROGRESS,

问题 android TabActivity launches the FragmentActivity associated with the first tab added in the sequence before setting tabhost.setCurretnTab(4); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tab_main); try { DataSource.ObjContext = this.getApplicationContext(); DataSource.ObjTabBarActivity = this; DataSource.ObjSharedPreferences = this.getSharedPreferences("com.example", Context.MODE_PRIVATE); if(NetworkStat) { new

问题 Is it possible to call listactivity through tab activity? Basically, I am developing an app with 3 tabs, for which I am using tabactivity. Furthermore, in one of the tabs I want a listview, so I have derived from listactivity. Now I want the click event to be determined in the listview. Am i missing something? public class Tabissue extends TabActivity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate

问题 I am currently unittesting the sample TabLayout from android website. I am getting a NullPointerException when unittesting it like this: public class MainActivityUnitTest extends ActivityUnitTestCase<MainActivity>{ public MainActivityUnitTest(){ super(MainActivity.class); } @MediumTest public void testStartActivity(){ setActivity(startActivity(new Intent(Intent.ACTION_MAIN), null, null)); } } This is the exception that I am getting: java.lang.NullPointerException at android.app

问题 I've created a simple TabActivity which builds tabs at runtime reading some JSON data. At the moment I'm initializing an empty ListActivity with dummy random items for each tab just to see that changing from tab to tab works and the content doesn't disappear. The actual content for the tabs is stored in a singleton class, so when the tab activities get re-created due to a screen orientation change, they just pull the correct dummy items from the respective list according to an identifier

问题 How to add sliding menu to the activity which are not added in the sliding menu and on activity which extends tab Activity Any help will be appreciated. Thanks in advance 回答1: change you main xml to something like this.(before do this,right click on your project->android tools->add support library-do this work twice-) <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/drawer_layout"

问题 I setup a basic TabActivity very similar to Google's tab tutorial. However, above the TabWidget I have a TextView that I'd like to update and change the text after certain events get fired in each child tab/child activity (not necessarily when switching between tabs). I realize I may not be able to bind events between activities so any ideas on how to achieve this? Setup a service that both the TabActivity and children Activities communicate through? Is it even possible to get the TextView