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  • [android] 练习viewpagerindicator的使用(一)

    主要是学习一下使用这个库

    activity_main.xml

    <?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"
        android:background="#eee"
        android:orientation="vertical" >
        <include layout="@layout/main_head"/>
        <com.viewpagerindicator.TabPageIndicator
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/vpi_tab"
            android:background="#C0D0E0">
        </com.viewpagerindicator.TabPageIndicator>
        <android.support.v4.view.ViewPager
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:id="@+id/vp_content"/>
    </LinearLayout>

    MainActivity.java

    package com.example.csdn;
    
    
    
    import com.viewpagerindicator.TabPageIndicator;
    
    import android.os.Bundle;
    import android.support.v4.app.Fragment;
    import android.support.v4.app.FragmentActivity;
    import android.support.v4.app.FragmentManager;
    import android.support.v4.app.FragmentPagerAdapter;
    import android.support.v4.view.ViewPager;
    
    
    public class MainActivity extends FragmentActivity {
        private TabPageIndicator tpi_tab;
        private ViewPager vp_content;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            tpi_tab = (TabPageIndicator) findViewById(R.id.vpi_tab);
            vp_content = (ViewPager) findViewById(R.id.vp_content);
            FragmentManager fm = getSupportFragmentManager();
            TabAdapter adapter = new TabAdapter(fm);
            // ViewPager设置适配器
            vp_content.setAdapter(adapter);
            // 指示器绑定ViewPager
            tpi_tab.setViewPager(vp_content, 0);
        }
    
    }
    
    /**
     * 适配器
     * 
     * @author taoshihan
     * 
     */
    class TabAdapter extends FragmentPagerAdapter {
    
        public static final String[] TITLES = new String[] { "业界", "移动", "研发" };
    
        public TabAdapter(FragmentManager fm) {
            super(fm);
        }
    
        @Override
        public Fragment getItem(int arg0) {
            return new Fragment();
        }
    
        @Override
        public int getCount() {
            return TITLES.length;
        }
    
        @Override
        public CharSequence getPageTitle(int position) {
            // TODO Auto-generated method stub
            return TITLES[position % TITLES.length];
        }
    }
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  • 原文地址:https://www.cnblogs.com/taoshihan/p/5705859.html
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