stt emulator

by a...@elguides.cc » Wed, 20 Jan 2010 02:06:30 GMT


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1. Links in WebView & context menu?

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2. Problem transitioning to TabActivity

Hi all,

I am trying to start activity to a TabActivity intent and I keep
getting the same error.  I have tried to make this as simplistic as
possible code wise...but no luck.  My code is below the error message.

java.lang.RuntimeException: Unable to start activity ComponentInfo
{com.valpak.android/com.valpak.android.TabLayout}:
java.lang.RuntimeException: Unable to start activity ComponentInfo
{com.valpak.android/com.valpak.android.Categories}:
java.lang.RuntimeException: Your content must have a TabHost whose id
attribute is 'android.R.id.tabhost'
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2401)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2417)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread.access$2100(ActivityThread.java:116)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.os.Handler.dispatchMessage(Handler.java:99)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.os.Looper.loop(Looper.java:123)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread.main(ActivityThread.java:4203)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
java.lang.reflect.Method.invokeNative(Native Method)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
java.lang.reflect.Method.invoke(Method.java:521)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:791)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
dalvik.system.NativeStart.main(Native Method)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255): Caused by:
java.lang.RuntimeException: Unable to start activity ComponentInfo
{com.valpak.android/com.valpak.android.Categories}:
java.lang.RuntimeException: Your content must have a TabHost whose id
attribute is 'android.R.id.tabhost'
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2401)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread.startActivityNow(ActivityThread.java:2242)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.LocalActivityManager.moveToState(LocalActivityManager.java:
127)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.LocalActivityManager.startActivity
(LocalActivityManager.java:339)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.widget.TabHost$IntentContentStrategy.getContentView
(TabHost.java:631)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.widget.TabHost.setCurrentTab(TabHost.java:317)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.widget.TabHost.addTab(TabHost.java:210)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
com.valpak.android.TabLayout.onCreate(TabLayout.java:26)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1123)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2364)
11-03 12:57:52.114: ERROR/AndroidRuntime(10255):     ... 11 more

This is called in MyApp.java
     startActivity(new Intent(getApplicationContext(),
TabLayout.class));

public class TabLayout extends TabActivity{

    @Override
    public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);

            TabHost tabHost = getTabHost();

        LayoutInflater.from(this).inflate(R.layout.tabs,
tabHost.getTabContentView(), true);
        tabHost.addTab(tabHost.newTabSpec("tab1")
                        .setIndicator("Grid").setContent(new Intent(this,
Categories.class)));
    }
}

Here is tabs.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/
android"
    android:id="@+id/tabLayout"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
</LinearLayout>

Any help would be greatly appreciated.

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