Android编程实现将tab选项卡放在屏幕底部的方法

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import android.app.ActivityGroup;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TabHost;
import android.widget.TabHost.TabSpec;
public class TestTab extends ActivityGroup {
  publicstatic TabHost tab_host;
  @Override
  protectedvoid onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.bottomtab);
    tab_host = (TabHost) findViewById(R.id.edit_item_tab_host);
    tab_host.setup(this.getLocalActivityManager());
    TabSpec ts1 = tab_host.newTabSpec("TAB_WEATHER");
    ts1.setIndicator("Weather");
    ts1.setContent(new Intent(this, Weather.class));
    tab_host.addTab(ts1);
    TabSpec ts2 = tab_host.newTabSpec("TAB_MAIL");
    ts2.setIndicator("Mail");
    ts2.setContent(new Intent(this, MailSend.class));
    tab_host.addTab(ts2);
    TabSpec ts3 = tab_host.newTabSpec("TAB_JUMP");
    ts3.setIndicator("Jump");
    ts3.setContent(new Intent(this, TabJump.class));
    tab_host.addTab(ts3);
    tab_host.setCurrentTab(0);
  }
}

TestTab.tabHost.setCurrentTab(0);