如何在Android中使用TabHost小部件的不同活动?

如何在Android中使用TabHost小部件的不同活动?,android,android-activity,tabs,android-tabhost,tabwidget,Android,Android Activity,Tabs,Android Tabhost,Tabwidget,我正在开发一个应用程序 根据需要,活动会根据选项卡的更改而更改。 我使用了以下代码并创建了两个活动 StoryAlbum1.java StoryAlbum2.java 我也在manifest.xml文件中定义了这两个 但我有运行时错误 我的代码是: ListView list_stories; TabHost tab_stories; @Override protected void onCreate(Bundle savedInstanceState) {

我正在开发一个应用程序

根据需要,活动会根据选项卡的更改而更改。 我使用了以下代码并创建了两个活动

StoryAlbum1.java StoryAlbum2.java

我也在manifest.xml文件中定义了这两个

但我有运行时错误

我的代码是:

ListView list_stories;
TabHost tab_stories;
@Override
        protected void onCreate(Bundle savedInstanceState) 
        {
            requestWindowFeature(Window.FEATURE_NO_TITLE);
            super.onCreate(savedInstanceState);
            setContentView(R.layout.story_list);

            tab_stories=(TabHost)findViewById(R.id.tabhoststories);
            tab_stories.setup();

            setupTab1(new TextView(this), "Album 1");
            setupTab2(new TextView(this), "Album 2");
        }
        private void setupTab1(final View view, final String tag) 
        {

            View tabview = createTabView(tab_stories.getContext(), tag);

            Intent intent1 = new Intent().setClass(this, StoryAlbum1.class);
            TabSpec tab1 = tab_stories.newTabSpec(tag).setIndicator(tabview).setContent(intent1);

            tab_stories.addTab(tab1);
        }
        private void setupTab2(final View view, final String tag) 
        {

            View tabview = createTabView(tab_stories.getContext(), tag);

            Intent intent2 = new Intent().setClass(this, StoryAlbum2.class);
            TabSpec tab2 = tab_stories.newTabSpec(tag).setIndicator(tabview).setContent(intent2);

            tab_stories.addTab(tab2);
        }
private static View createTabView(final Context context, final String text) 
        {
            View view = LayoutInflater.from(context).inflate(R.layout.tabs_text, null);
            TextView tv = (TextView) view.findViewById(R.id.tabsText);
            tv.setText(text);
            return view;
        }
}
请帮我解决那个错误

我的错误日志是:

02-22 06:03:58.247: E/AndroidRuntime(1191): FATAL EXCEPTION: main
02-22 06:03:58.247: E/AndroidRuntime(1191): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.videostreaming/com.example.videostreaming.Story_List}: java.lang.IllegalStateException: Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.ActivityThread.access$600(ActivityThread.java:141)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.os.Handler.dispatchMessage(Handler.java:99)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.os.Looper.loop(Looper.java:137)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.ActivityThread.main(ActivityThread.java:5039)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at java.lang.reflect.Method.invokeNative(Native Method)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at java.lang.reflect.Method.invoke(Method.java:511)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at dalvik.system.NativeStart.main(Native Method)
02-22 06:03:58.247: E/AndroidRuntime(1191): Caused by: java.lang.IllegalStateException: Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:747)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.widget.TabHost.setCurrentTab(TabHost.java:413)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.widget.TabHost.addTab(TabHost.java:240)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at com.example.videostreaming.Story_List.setupTab1(Story_List.java:55)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at com.example.videostreaming.Story_List.onCreate(Story_List.java:38)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.Activity.performCreate(Activity.java:5104)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
02-22 06:03:58.247: E/AndroidRuntime(1191):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)

谢谢。

您需要将MainActivity的基类从Activity更改为ActivityGroup,如下所示:

public class MainActivity extends ActivityGroup {
...
}
ActivityGroup将处理LocalActivityManager的一个实例。所以你不需要创建它。基类更改后,只需调用基类中定义的getLocalActivityManager()函数即可获得该实例。按如下方式调用tabHost的设置函数:

 tabHost.setup(this.getLocalActivityManager());

您需要将MainActivity的基类从Activity更改为ActivityGroup,如下所示:

public class MainActivity extends ActivityGroup {
...
}
ActivityGroup将处理LocalActivityManager的一个实例。所以你不需要创建它。基类更改后,只需调用基类中定义的getLocalActivityManager()函数即可获得该实例。按如下方式调用tabHost的设置函数:

 tabHost.setup(this.getLocalActivityManager());

请上传错误日志。好的,我已经发布了错误日志。你可以看到我更新的问题。请上传错误日志。好的,我已经发布了错误日志。你可以看到我更新的问题。谢谢,我得到了答案。谢谢,我得到了答案。