Android: 可以横向拖动的TabHost

 

 

转：http://www.eoeandroid.com/thread-113941-1-1.html

 

横向拖动的TabHost 效果图：

 

 

	<LinearLayout android:orientation="vertical"
		android:layout_width="fill_parent" android:layout_height="fill_parent">

		<RelativeLayout android:layout_width="fill_parent"
			android:layout_height="wrap_content">

			<HorizontalScrollView android:layout_width="fill_parent"
				android:layout_height="wrap_content" 
				android:fillViewport="true"
				android:scrollbars="none" 
				android:layout_toLeftOf="@+id/next_button"
				android:layout_toRightOf="@+id/up_button">
				
				<TabWidget android:id="@android:id/tabs"
					android:layout_width="fill_parent" 
					android:layout_height="wrap_content" />
					
			</HorizontalScrollView>
		</RelativeLayout>
		
		<FrameLayout android:id="@android:id/tabcontent"
			android:layout_width="fill_parent" android:layout_height="fill_parent">
			
			<TextView android:id="@+id/textview01" android:layout_width="fill_parent"
				android:layout_height="wrap_content" android:text="@string/hello" />
				
			<TextView android:id="@+id/textview02" android:layout_width="fill_parent"
				android:layout_height="wrap_content" android:text="@string/hello" />
				
			<TextView android:id="@+id/textview03" android:layout_width="fill_parent"
				android:layout_height="wrap_content" android:text="@string/hello" />
				
			<TextView android:id="@+id/textview04" android:layout_width="fill_parent"
				android:layout_height="wrap_content" android:text="@string/hello" />
				
			<TextView android:id="@+id/textview05" android:layout_width="fill_parent"
				android:layout_height="wrap_content" android:text="@string/hello" />
		</FrameLayout>
		
	</LinearLayout>

 

 

import android.app.TabActivity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.widget.Button;
import android.widget.TabHost;
import android.widget.TabWidget;

public class MainActivity extends TabActivity {
	TabHost m_TabHost;
	Button upButton;
	Button nextButton;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		// Init
		initView();
		initTabHost();

		// Get scream width
		DisplayMetrics dm = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(dm);
		int screenWidth = dm.widthPixels;
		Log.i("test", "screenWidth=" + screenWidth);
		
		// Get tab counts
		TabWidget tabWidget = m_TabHost.getTabWidget();
		int count = tabWidget.getChildCount();
		if (count > 3) {
			for (int i = 0; i < count; i++) {
				tabWidget.getChildTabViewAt(i).setMinimumWidth((screenWidth) / 3);
			}
		}
	}

	private void initView() {
		m_TabHost = getTabHost();
		// upButton = (Button) findViewById(R.id.up_button);
		// nextButton = (Button) findViewById(R.id.next_button);
	}

	private void initTabHost() {
		m_TabHost.addTab(m_TabHost.newTabSpec(0 + "").setIndicator("A  eoe")
				.setContent(R.id.textview01));
		m_TabHost.addTab(m_TabHost.newTabSpec(1 + "").setIndicator("B  eoe")
				.setContent(R.id.textview01));
		m_TabHost.addTab(m_TabHost.newTabSpec(2 + "").setIndicator("C  eoe")
				.setContent(R.id.textview01));
		m_TabHost.addTab(m_TabHost.newTabSpec(3 + "").setIndicator("D  eoe")
				.setContent(R.id.textview01));
		m_TabHost.addTab(m_TabHost.newTabSpec(4 + "").setIndicator("E  eoe")
				.setContent(R.id.textview01));
		m_TabHost.addTab(m_TabHost.newTabSpec(5 + "").setIndicator("F  eoe")
				.setContent(R.id.textview01));
		m_TabHost.addTab(m_TabHost.newTabSpec(6 + "").setIndicator("G  eoe")
				.setContent(R.id.textview01));
	}
}