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POHow to implement double Tabbed Activity in android?
 

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  1. POHow to implement double Tabbed Activity in android?
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    <p>I want to make an android application which has two tap in one view ,i.e, has upper tab and lower tab.</p> <p>According to selection of lower tab, I add the new tab host(for upper tab) in the tapcontent part of lower tab. But, upper tap doesn't go up, it stick to the lower tab.</p> <p>The implementation of upper tab is,</p> <pre><code>import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.widget.TabHost; public class uppertab extends TabActivity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.upperlayout); TabHost tabHost = getTabHost(); TabHost.TabSpec spec; Intent intent; intent = new Intent().setClass(this, recommend_friend_simillar.class); spec = tabHost.newTabSpec("upper1").setIndicator("Upper1").setContent(intent); tabHost.addTab(spec); intent = new Intent().setClass(this, recommend_friend_new.class); spec = tabHost.newTabSpec("upper2").setIndicator("Upper2").setContent(intent); tabHost.addTab(spec); intent = new Intent().setClass(this, recommend_friend_favorite.class); spec = tabHost.newTabSpec("upper3").setIndicator("Upper3").setContent(intent); tabHost.addTab(spec); } } </code></pre> <p>xml for upper tap is,</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;TabHost xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/uppertabhost" android:layout_width="fill_parent" android:layout_height="fill_parent"&gt; &lt;LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;TabWidget android:id="@+id/uppertabs" android:layout_width="fill_parent" android:layout_height="wrap_content" /&gt; &lt;FrameLayout android:id="@+id/uppertabcontent" android:layout_width="fill_parent" android:layout_height="fill_parent" /&gt; &lt;/LinearLayout&gt; </code></pre> <p></p> <p>xml for lower tab is,</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;TabHost android:id="@android:id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent"&gt; &lt;RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent"&gt; &lt;TabWidget android:id="@android:id/tabs" android:layout_alignParentBottom="true" android:layout_width="fill_parent" android:layout_height="wrap_content" /&gt; &lt;FrameLayout android:id="@android:id/tabcontent" android:layout_above="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="fill_parent"&gt; &lt;/FrameLayout&gt; &lt;/RelativeLayout&gt; &lt;/TabHost&gt; &lt;/LinearLayout&gt; </code></pre> <p>The result is shown below.</p> <pre><code>□□□□□□□□□□□□□□□□□□□□□□□□□□ □ □ □ □ □ □ □ □ □ □ □□□□□□□□□□□□□□□□□□□□□□□□□□ □ □ □ □ □upper1 □ upper2 □ upper3□ □□□□□□□□□□□□□□□□□□□□□□□□□□ □ lower1□lower2 □ lower3□ □□□□□□□□□□□□□□□□□□□□□□□□□□ </code></pre> <p>Of course, upper 3 taps should be stick to ceilling, like,</p> <pre><code>□□□□□□□□□□□□□□□□□□□□□□□□□□ □ □ □ □ □upper1 □ upper2 □ upper3□ □□□□□□□□□□□□□□□□□□□□□□□□□□ □ □ □ □ □ □ □ □ □ □ □□□□□□□□□□□□□□□□□□□□□□□□□□ □ lower1□ lower2 □ lower3□ □□□□□□□□□□□□□□□□□□□□□□□□□□ </code></pre> <p>(I got an advice that using activitygroup, but it doesn't work.)</p> <pre><code>import android.app.ActivityGroup; import android.content.Intent; import android.os.Bundle; import android.widget.TabHost; public class uppertab extends ActivityGroup { private TabHost tabHost; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.upperlay); tabHost = (TabHost)findViewById(R.id.friendtabhost); tabHost.setup(getLocalActivityManager()); tabHost.addTab(tabHost.newTabSpec("tab1").setIndicator("tab1").setContent(new Intent(this, tab1.class))); tabHost.addTab(tabHost.newTabSpec("tab2").setIndicator("tab2").setContent(new Intent(this, tab2.class))); tabHost.addTab(tabHost.newTabSpec("tab3").setIndicator("tab3").setContent(new Intent(this, tab3.class))); </code></pre> <p>}</p> <p>}</p> <p>DDMS says that </p> <p>tabHost.setup(getLocalActivityManager());</p> <p>has a problem.</p> <p>What can I do :(?</p>
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    1. COYou might want to call your question "How to implement **nested** TabActivity in android?". (Notice also the spelling of `TabActivity`.)
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