[英]Implementing sliding tabs in drawer fragment
Just need a workaround! 只需要一个解决方法!
I had already implemented drawer, now need to place sliding tabs in one of those fragments. 我已经实现了抽屉,现在需要在其中一个片段中放置滑动标签。
Fragment Class: 片段类:
import android.app.Fragment;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class FragmentTwo extends Fragment {
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_two, container, false);
}
}
Method i am using needs to extend the same 'FragmentTwo' class to 'ActionBarActivity'. 我正在使用的方法需要将相同的'FragmentTwo'类扩展为'ActionBarActivity'。 Here is the code: 这是代码:
public class FragmentTwo extends ActionBarActivity {
// Declaring Your View and Variables
Toolbar toolbar;
ViewPager pager;
ViewPagerAdapter adapter;
SlidingTabLayout tabs;
CharSequence Titles[] = {“Test1”, “Test2”, “Test3”};
int Numboftabs = 3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Creating The Toolbar and setting it as the Toolbar for the activity
toolbar = (Toolbar) findViewById(R.id.tool_bar);
setSupportActionBar(toolbar);
// Creating The ViewPagerAdapter and Passing Fragment Manager, Titles fot the Tabs and Number Of Tabs.
adapter = new ViewPagerAdapter(getSupportFragmentManager(), Titles, Numboftabs);
// Assigning ViewPager View and setting the adapter
pager = (ViewPager) findViewById(R.id.pager);
pager.setAdapter(adapter);
// Assiging the Sliding Tab Layout View
tabs = (SlidingTabLayout) findViewById(R.id.tabs);
tabs.setDistributeEvenly(true); // To make the Tabs Fixed set this true, This makes the tabs Space Evenly in Available width
// Setting Custom Color for the Scroll bar indicator of the Tab View
tabs.setCustomTabColorizer(new SlidingTabLayout.TabColorizer() {
@Override
public int getIndicatorColor(int position) {
return getResources().getColor(R.color.tabsScrollColor);
}
});
// Setting the ViewPager For the SlidingTabsLayout
tabs.setViewPager(pager);
}
@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;
}
return super.onOptionsItemSelected(item);
}
I know a class cannot be extended to more than one class in java. 我知道一个类不能扩展到java中的多个类。 But is there some other way to get this done? 但还有其他方法可以完成这项工作吗?
Placing a ViewPager
inside a Fragment
that is created by a NavigationDrawer is the same way as placing a ViewPager
inside a simple Fragment created inside an Activity. 将ViewPager
放置在由NavigationDrawer创建的Fragment
中与将ViewPager
放置在ViewPager
内创建的简单Fragment中的方式相同。
Inside of class Fragment two implement the ViewPager
like that: 类Fragment中的两个实现了ViewPager
:
public class FragmentTwo extends Fragment {
private ViewPager pager;
private ViewPagerAdapter adapter;
private SlidingTabLayout tabs;
private static CharSequence titles[];
private final int numOfTabs = 3;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_slidetab, container, false);
// set your titles here
adapter = new ViewPagerAdapter(getActivity().getSupportFragmentManager(),titles, numOfTabs);
pager = (ViewPager) rootView.findViewById(R.id.pager);
pager.setAdapter(adapter);
tabs = (SlidingTabLayout) rootView.findViewById(R.id.tabs);
tabs.setDistributeEvenly(true); // To make the Tabs Fixed set this true, This makes the tabs Space Evenly in Available width
tabs.setCustomTabColorizer(new SlidingTabLayout.TabColorizer() {
@Override
public int getIndicatorColor(int position) {
return getResources().getColor(R.color.tabsScrollColor);
}
});
tabs.setViewPager(pager);
//mSwipeRefreshLayout = (SwipeRefreshLayout) layout.findViewById(R.id.swipeRefreshLayout);
return rootView;
}
}
For the ViewPager
you need an Adapter
class: 对于ViewPager
您需要一个Adapter
类:
public class ViewPagerAdapter extends FragmentStatePagerAdapter {
CharSequence Titles[];
int NumbOfTabs;
public ViewPagerAdapter(FragmentManager fm,CharSequence mTitles[], int mNumbOfTabsumb) {
super(fm);
this.Titles = mTitles;
this.NumbOfTabs = mNumbOfTabsumb;
}
@Override
public Fragment getItem(int position) {
if(position == 0)
{
FragmentForDay tab1 = FragmentSlide.newInstance(0);
return tab1;
}
else if(position == 1)
{
FragmentSlide tab2 = FragmentSlide.newInstance(1);
return tab2;
}
else
{
FragmentSlide tab3 = FragmentSlide.newInstance(2);
return tab3;
}
}
@Override
public CharSequence getPageTitle(int position) {
return Titles[position];
}
@Override
public int getCount() {
return NumbOfTabs;
}
}
And each of your slide tabs, called FragmentSlide here, can be inflated as a normal Fragment: 每个名为FragmentSlide的幻灯片都可以作为普通片段充气:
public class FragmentSlide extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_Slide, container, false);
// Inflate the layout for this fragment
return rootView;
}
public static FragmentSlide newInstance(int selectedIdForIndex) {
FragmentSlide fragment = new FragmentSlide();
Bundle args = new Bundle();
args.putInt(ARG_LAYOUT_ID, selectedIdForIndex);
fragment.setArguments(args);
return fragment;
}
}
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