Question

我一直在绞尽脑汁，我希望有人可以解雇一下。我有一个带有标签布局的活动，它有3个标签。每个选项卡都是自己的片段。第三个tad有回收者视图。在recyclerviews适配器中，我有一个onClickListener，它将在当前片段中启动一个新片段。如果手机旋转，则使用两个片段（一个在另一个片段上）重新创建视图。我搞砸了保存状态或者保存了错误的状态。关于如何解决这个问题的任何想法都非常感谢。

这是代码。

的活动：

on click

第三部分：

$('input[type="radio"]').click(function(){
  $('#inputCategory').show(); // Show element
});

适配器onClick：

public class EmergencyDisclosureGuideActivity extends BaseActivity {

private static final String TAG = EmergencyDisclosureGuideActivity.class.getSimpleName();
private FrameLayout mFrameLayout;
private TabLayout mTabLayout;
private ViewPager mViewPager;
private ViewPagerAdapter adapter;
private ServiceProvidersDetailFragment mServiceProvidersDetailFragment;

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

    mFrameLayout = (FrameLayout) findViewById(R.id.mainContent);

    View view = getLayoutInflater().inflate(R.layout.fragment_fixed_tabs, null);
    mFrameLayout.addView(view);

    mViewPager = (ViewPager) findViewById(R.id.viewpager);

    setupViewPager(mViewPager);

    if (savedInstanceState == null) {
        mViewPager.setCurrentItem(mViewPager.getCurrentItem());
    }

    mTabLayout = (TabLayout) findViewById(R.id.fixedTabs);
    mTabLayout.setupWithViewPager(mViewPager);



    getSupportActionBar().setTitle("2702 Emergency Disclosure Guide");
}

@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
    super.onRestoreInstanceState(savedInstanceState);

    Log.d(TAG, "onRestoreInstanceState: " + mViewPager.getCurrentItem());
    mViewPager.setCurrentItem(3);


}

private void setupViewPager(ViewPager viewPager) {

    adapter = new ViewPagerAdapter(getSupportFragmentManager());

    adapter.addFrag(new Introduction2702Fragment(), "INTRO");
    adapter.addFrag(new HowTo2702Fragment(), "HOW-TO");
    adapter.addFrag(new ServiceProviders2702FragmentHolder(), "SERVICE PROVIDERS");
    viewPager.setAdapter(adapter);
}



private class ViewPagerAdapter extends FragmentPagerAdapter {

    private final List<Fragment> mFragmentList = new ArrayList<>();
    private final List<String> mFragmentTitleList = new ArrayList<>();

    public ViewPagerAdapter(FragmentManager manager) {
        super(manager);
    }

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

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

    public void addFrag(Fragment fragment, String title) {

        mFragmentList.add(fragment);
        mFragmentTitleList.add(title);
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return mFragmentTitleList.get(position);
    }
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.menu_main, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    //noinspection SimplifiableIfStatement
    if (id == R.id.action_settings) {
        return true;
    } else if (id == R.id.action_about) {
        displayAbout();
    }

    return super.onOptionsItemSelected(item);
}

@Override
protected void onSaveInstanceState(Bundle savedInstance) {
    super.onSaveInstanceState(savedInstance);

    Log.d(TAG, "onSaveInstanceState: " + mViewPager.getCurrentItem());
    savedInstance.putInt("CurrentPosition", mViewPager.getCurrentItem());

}

Android TabLayout和onClick FragmentTransaction和保存状态

0 个答案: