Android: 可以横向拖动的TabHost

横向拖动的TabHost 效果图：

Xml代码

<LinearLayout android:orientation="vertical"
android:layout_;fill_parent" android:layout_height="fill_parent">
<RelativeLayout android:layout_;fill_parent"
android:layout_height="wrap_content">
<HorizontalScrollView android:layout_;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_;fill_parent"
android:layout_height="wrap_content" />
</HorizontalScrollView>
</RelativeLayout>
<FrameLayout android:id="@android:id/tabcontent"
android:layout_;fill_parent" android:layout_height="fill_parent">
<TextView android:id="@+id/textview01" android:layout_;fill_parent"
android:layout_height="wrap_content" android:text="@string/hello" />
<TextView android:id="@+id/textview02" android:layout_;fill_parent"
android:layout_height="wrap_content" android:text="@string/hello" />
<TextView android:id="@+id/textview03" android:layout_;fill_parent"
android:layout_height="wrap_content" android:text="@string/hello" />
<TextView android:id="@+id/textview04" android:layout_;fill_parent"
android:layout_height="wrap_content" android:text="@string/hello" />
<TextView android:id="@+id/textview05" android:layout_;fill_parent"
android:layout_height="wrap_content" android:text="@string/hello" />
</FrameLayout>
</LinearLayout>

Java代码

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", "screen; + 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));
}
}

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