Android 更改选项卡后恢复选项卡视图中的数据

我有一个Android应用程序，需要在两个选项卡之间切换。我用的是碎片。问题是，当我在一个选项卡上的编辑文本框中键入内容并切换到另一个选项卡时，原始选项卡会重置为默认值

根据我在不同论坛上找到的答案，我正在拯救国家：

@Override
public void onTabSelected(ActionBar.Tab tab,
        FragmentTransaction fragmentTransaction) {
    // When the given tab is selected, show the tab contents in the
    // container view.
    Fragment fragment = new TabsSectionFragment();
    //fragment.setRetainInstance(true);
    Bundle args = new Bundle();
    args.putInt(TabsSectionFragment.ARG_SECTION_NUMBER,
            tab.getPosition() + 1);
    fragment.setArguments(args);
    getSupportFragmentManager().beginTransaction()
            .replace(R.id.container, fragment).commit();
}

@Override
public void onTabUnselected(ActionBar.Tab tab,
        FragmentTransaction fragmentTransaction) {
}

@Override
public void onTabReselected(ActionBar.Tab tab,
        FragmentTransaction fragmentTransaction) {
}

在onCreateView中，我加载了几个布局：

public static class TabsSectionFragment extends Fragment {
    public static final String ARG_SECTION_NUMBER = "section_number";

    public TabsSectionFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        int selectedSection = getArguments().getInt(ARG_SECTION_NUMBER);
        switch (selectedSection)
        {
            case 1:
                // load the input layout XML
                LayoutInflater factory1 = LayoutInflater.from(getActivity());
                View myView1 = factory1.inflate(R.layout.tab1, null);
                return myView1;

            case 2:
                // load the summary layout XML
                LayoutInflater factory2 = LayoutInflater.from(getActivity());
                View myView2 = factory2.inflate(R.layout.tab2, null);
                return myView2;

            default:
                // Create a new TextView and set its text to the fragment's section
                // number argument value.
                TextView textView = new TextView(getActivity());
                textView.setGravity(Gravity.CENTER);
                textView.setText(Integer.toString(getArguments().getInt(
                        ARG_SECTION_NUMBER)));

                return textView;
        }
    }
}

如何使用savedInstanceState恢复选项卡状态，以便在切换选项卡之前不会丢失键入的信息

我还读到一些人建议隐藏和显示片段，而不是保存/重新加载状态。更好的选择是什么

---

提前谢谢

我会改变你的方法，使用tabhost

 private TabHost tabhost;
 private View view1;
 private View view2;
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
     setContentView(R.layout.mainLayout);
   tabhost = (TabHost) findViewById(R.id.tabhostView);
     tabhost.setup();
     tabhost.getTabWidget().setDividerDrawable(R.drawable.tab_divider);
     view1 = getLayoutInflater().inflate(R.layout.view1,    null);
     view2 = getLayoutInflater().inflate(R.layout.view2, null);
     setupTab(view1, "View1");
     setupTab(view2, "View2");
 //set tab
 tabhost.setCurrentTab(getIntent().getExtras().getInt(CURRENT_TAB));
 }

然后创建两种方法来设置每个视图，如下所示：

  private void buildView1(View view) {
  <enter code here>
   view.invalidate
}

private void buildview 1（视图）{
使无效
}