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PagerSlidingTabStrip
PagerSlidingTabStrip
介绍:用于viewPager和上面的标签Tab 关联,功能丰富
1,studio网络库依赖包
2,把Fragment 或者View 提供title文字,放进ViewPager的Adapter的四个方法中
3,viewPager.setAdapter( new MyAdapter())
4, Tab.setViewPager();
布局文件中,Tab和ViewPager是上下关系
<com.astuetz.PagerSlidingTabStrip />
<ViewPager />
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" xmlns:app="http://schemas.android.com/apk/res-auto" android:orientation="vertical"> <com.astuetz.PagerSlidingTabStrip android:id="@+id/tablayout" android:layout_width="match_parent" android:layout_height="40dp" app:pstsIndicatorColor="#0f0" app:pstsIndicatorHeight="2dp" app:pstsIndicatorMarginLeftRight="10dp" //标签下划线的颜色和高度 app:pstsUnderlineColor="#f00" app:pstsUnderlineHeight="1dp" app:pstsShouldExpand="true" app:pstsDividerColor="#00f" app:pstsDividerWidth="1dp" app:pstsDividerPadding="5dp" app:pstsTabTextStyle="bold|italic" app:pstsTabTextColor="@color/tab_selector" app:pstsTabBackground="@drawable/tab_bg" 标签被选中时候的背景色 app:pstsTabTextSize="30sp" /> <android.support.v4.view.ViewPager android:id="@+id/viewpager" android:layout_width="match_parent" android:layout_height="match_parent" > </android.support.v4.view.ViewPager> </LinearLayout>
在Fragment 中
package cn.itcast.demo; import android.os.AsyncTask; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.view.ViewPager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import com.astuetz.PagerSlidingTabStrip; import junit.framework.Test; import java.util.ArrayList; import java.util.List; public class NewsFragment extends Fragment { @butterknife.InjectView(R.id.tablayout) PagerSlidingTabStrip tablayout; @butterknife.InjectView(R.id.viewpager) ViewPager viewpager; @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_news, null); butterknife.ButterKnife.inject(this, view); List<Fragment> fragmentlist = new ArrayList<>(); fragmentlist.add(TestFragment.newInstance("这是 资讯 界面")); fragmentlist.add(TestFragment.newInstance("这是 热点 界面")); fragmentlist.add(TestFragment.newInstance("这是 博客 界面")); fragmentlist.add(TestFragment.newInstance("这是 推荐 界面")); viewpager.setAdapter(new MyViewPagerAdapter(getFragmentManager(),fragmentlist)); // 关联标题栏和Viewpager tablayout.setViewPager(viewpager); // tablayout.setTextColorStateListResource(R.color.tab_selector);
设置标签文字被选中的颜色 System.out.println("开启任务,"+Thread.currentThread()); asyncTask.execute("你好","好不好","还好"); return view; } @Override public void onDestroyView() { super.onDestroyView(); butterknife.ButterKnife.reset(this); } }
//设置ViewPager的 Adapter
public class MyViewPagerAdapter extends FragmentPagerAdapter { private List<Fragment> fragmentList; public MyViewPagerAdapter(FragmentManager fm, List<Fragment> fragmentList) { super(fm); this.fragmentList = fragmentList; } @Override public Fragment getItem(int position) { return fragmentList.get(position); } @Override public int getCount() { return fragmentList.size(); } @Override public CharSequence getPageTitle(int position) { return "界面 "+position; }
PagerSlidingTabStrip
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