android中的嵌套ActionBar?
有没有办法在Android中执行嵌套的android中的嵌套ActionBar?,android,nested,android-actionbar,Android,Nested,Android Actionbar,有没有办法在Android中执行嵌套的ActionBar 我的意思是 按下选项卡菜单中的一个选项卡按钮时,我想在主菜单下方显示另一个子菜单选项卡 可能吗?如果你能给我举个例子,请 提前谢谢 import com.example.android.supportv4.R; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentTab
ActionBar
我的意思是
按下选项卡菜单中的一个选项卡按钮
时,我想在主菜单下方显示另一个子菜单选项卡
可能吗?如果你能给我举个例子,请
提前谢谢
import com.example.android.supportv4.R;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTabHost;
public class FragmentTabs extends FragmentActivity
{
private FragmentTabHost mTabHost;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_tabs);
mTabHost = (FragmentTabHost)findViewById(android.R.id.tabhost);
mTabHost.setup(this, getSupportFragmentManager(), R.id.realtabcontent);
mTabHost.addTab(mTabHost.newTabSpec("simple").setIndicator("Simple"),
FragmentStackSupport.CountingFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("contacts").setIndicator("Contacts"),
LoaderCursorSupport.CursorLoaderListFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("custom").setIndicator("Custom"),
LoaderCustomSupport.AppListFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("throttle").setIndicator("Throttle"),
LoaderThrottleSupport.ThrottledLoaderListFragment.class, null);
}
}
这也可以通过片段嵌套在片段内部使用:
import com.example.android.supportv4.R;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTabHost;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class FragmentTabsFragmentSupport extends Fragment {
private FragmentTabHost mTabHost;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mTabHost = new FragmentTabHost(getActivity());
mTabHost.setup(getActivity(), getChildFragmentManager(), R.id.fragment1);
mTabHost.addTab(mTabHost.newTabSpec("simple").setIndicator("Simple"),
FragmentStackSupport.CountingFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("contacts").setIndicator("Contacts"),
LoaderCursorSupport.CursorLoaderListFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("custom").setIndicator("Custom"),
LoaderCustomSupport.AppListFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("throttle").setIndicator("Throttle"),
LoaderThrottleSupport.ThrottledLoaderListFragment.class, null);
return mTabHost;
}
@Override
public void onDestroyView() {
super.onDestroyView();
mTabHost = null;
}}
有关更多详细信息,请参阅