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我目前正在使用出色的 ActionBarSherlock ( http://actionbarsherlock.com/ ) 以及运行良好的 jfeinstein 的滑动菜单。我希望能够在用户不活动时自动隐藏操作栏。因此，如果用户在 10 秒内未触摸屏幕，则操作栏将隐藏，活动将全屏显示。如果用户随后再次触摸屏幕，则操作栏会重新出现。这可能吗？我必须从活动类或片段类中执行此操作吗？我会很感激任何建议。

请找到我的主要活动的代码：

public class MainActivity extends SlidingFragmentActivity {


protected ListFragment mFrag;

public MainActivity(){
    super();
}




@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    //setContentView(R.layout.activity_main);

    setSlidingActionBarEnabled(true);

    // set the Behind View
    setBehindContentView(R.layout.menu_frame);
     if (savedInstanceState == null) {
     FragmentTransaction t = this.getSupportFragmentManager().beginTransaction();
     mFrag = new SampleListFragment();
     t.replace(R.id.menu_frame, mFrag);
     t.commit();
     } else {
     mFrag = (ListFragment)this.getSupportFragmentManager().findFragmentById(R.id.menu_frame);
     }


    // set the Above View
    setContentView(R.layout.content_frame);
    this.getSupportFragmentManager()
    .beginTransaction()
    .replace(R.id.content_frame, new StartUpFragment())
    .commit();

    // customize the SlidingMenu
    SlidingMenu sm = getSlidingMenu();
    sm.setShadowWidthRes(R.dimen.shadow_width);
    sm.setShadowDrawable(R.drawable.shadow);
    sm.setBehindOffsetRes(R.dimen.slidingmenu_offset);
    sm.setFadeDegree(0.35f);
    //sm.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
    sm.setTouchModeAbove(SlidingMenu.TOUCHMODE_MARGIN);

    getSupportActionBar().setDisplayHomeAsUpEnabled(true);


}


@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);

    // Handle other fragments here

        // Setup SlidingMenu again
        setBehindContentView(R.layout.menu_frame);
        FragmentTransaction t = this.getSupportFragmentManager().beginTransaction();

        mFrag = new SampleListFragment();
        t.add(R.id.menu_frame, mFrag);
        t.commit();


        SlidingMenu slidingMenu = getSlidingMenu();
        slidingMenu.setBehindScrollScale((float) 0.0);
        slidingMenu.setBehindWidthRes(R.dimen.actionbar_home_width);
        slidingMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_MARGIN);
        slidingMenu.setSelectorEnabled(true);
            slidingMenu.setSlidingEnabled(true);

    }


private void setRetainInstance(boolean b) {
    // TODO Auto-generated method stub
    return;
}




@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    //this configures -  clicking the icon also makes the sliding menu slide
    case android.R.id.home:
        toggle();
        return true;
    }
    return super.onOptionsItemSelected(item);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getSupportMenuInflater().inflate(R.menu.activity_main, menu);
    return true;
}

public class BasePagerAdapter extends FragmentPagerAdapter {
    private List<Fragment> mFragments = new ArrayList<Fragment>();
    private ViewPager mPager;

    public BasePagerAdapter(FragmentManager fm, ViewPager vp) {
        super(fm);
        mPager = vp;
        mPager.setAdapter(this);
        for (int i = 0; i < 3; i++) {
            addTab(new SampleListFragment());
        }
    }

    public void addTab(Fragment frag) {
        mFragments.add(frag);
    }

    @Override
    public Fragment getItem(int position) {
        return mFragments.get(position);
    }

    @Override
    public int getCount() {
        return mFragments.size();
    }
}

}

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