• horizontalscrollview+textview简单版


    /Hor/res/layout/activity_main.xml  布局

    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
       
    <HorizontalScrollView 
        android:id="@+id/hor"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        
        >
        <LinearLayout 
            android:id="@+id/lin"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            ></LinearLayout>
        
    </HorizontalScrollView>
    
    <android.support.v4.view.ViewPager
        android:id="@+id/viewp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true" >
    </android.support.v4.view.ViewPager>
    
    </LinearLayout>

    /Hor/res/layout/f1.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:orientation="vertical" >
       <TextView 
           android:id="@+id/t"
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:text="sdsss"
           />
    
    </LinearLayout>

    com.bawei.hor.MainActivity  主页

    package com.bawei.hor;
    
    import java.util.ArrayList;
    import java.util.List;
    
    import android.os.Bundle;
    import android.app.Activity;
    import android.graphics.Color;
    import android.support.v4.app.Fragment;
    import android.support.v4.app.FragmentActivity;
    import android.support.v4.app.FragmentManager;
    import android.support.v4.view.ViewPager;
    import android.support.v4.view.ViewPager.OnPageChangeListener;
    import android.view.Menu;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.HorizontalScrollView;
    import android.widget.LinearLayout;
    import android.widget.TextView;
    import android.widget.LinearLayout.LayoutParams;
    
    public class MainActivity extends FragmentActivity {
       private String[] name=new String[]{"1","2","3","4","5","6","7"};
        private List<Fragment> list;
        private List<TextView> t_list;
        private HorizontalScrollView horizontalScrollView;
        private int width;
        @SuppressWarnings("deprecation")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            
           horizontalScrollView = (HorizontalScrollView) findViewById(R.id.hor);
           LinearLayout linearLayout = (LinearLayout) findViewById(R.id.lin);
           final ViewPager viewPager= (ViewPager) findViewById(R.id.viewp);
            //获取屏幕宽度
          width = getWindowManager().getDefaultDisplay().getWidth();
           //加载viewpager页面
          steData();
           //viewpager适配
          FragmentManager fm = getSupportFragmentManager(); 
          viewPager.setAdapter(new MyFragment(fm,list));
          //viewpager监听
          viewPager.setOnPageChangeListener(new OnPageChangeListener() {
            
            @Override
            public void onPageSelected(int arg0) {
                // TODO Auto-generated method stub
                //判断滑到那页
                getpage(arg0);
            }
            
            
    
            @Override
            public void onPageScrolled(int arg0, float arg1, int arg2) {
                // TODO Auto-generated method stub
                
            }
            
            @Override
            public void onPageScrollStateChanged(int arg0) {
                // TODO Auto-generated method stub
                
            }
        });
          //最上面导航
          t_list = new ArrayList<TextView>();
          for(int i=0;i<name.length;i++){
              //每个textview的宽度
              LinearLayout.LayoutParams params=new LinearLayout.LayoutParams(width/3,LayoutParams.WRAP_CONTENT);
              
              TextView textView=new TextView(this);
              //距离上下左右
              textView.setPadding(20, 20, 20, 20);
              //赋值
              textView.setText(name[i]);
              //添加集合
              t_list.add(textView);
              //绑定
              textView.setTag(i);
              //将textview放到布局里
              linearLayout.addView(textView, i,params);
              //textview 监听  点哪个滑到那页
              textView.setOnClickListener(new OnClickListener() {
                
                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    int m = (Integer) v.getTag();
                    viewPager.setCurrentItem(m);
                }
            });
          }
        }
        //viewpager监听里的
        private void getpage(int arg0) {
            // TODO Auto-generated method stub
            //当前显示textview页
             TextView textView1 = t_list.get(arg0);
            for (int i = 0; i < t_list.size(); i++) {
                //将当前显示的textview放到中间
                TextView text=t_list.get(arg0);
                int k = text.getMeasuredWidth();
                int l = text.getLeft();
                int s = k / 2 + l - width / 2;
                horizontalScrollView.smoothScrollTo(s, 0);
                //得到所有textview
                TextView t = t_list.get(i);
                //给当前显示页面的textview页变色
                if (!t.equals(textView1)) {
    
                    t.setTextColor(Color.BLACK);
                } else {
                    t.setTextColor(Color.RED);
    
                }
    
                
            }
            
        }
       //new page页
        private void steData() {
            list = new ArrayList<Fragment>();
        for(int i=0;i<name.length;i++){
            //传值第几页
            Fragment1 f1=new Fragment1(name[i]);
            list.add(f1);
        }
        }
    
       
        
    }

    com.bawei.hor.MyFragment  viewpager适配

    package com.bawei.hor;
    
    import java.util.List;
    
    import android.support.v4.app.Fragment;
    import android.support.v4.app.FragmentManager;
    import android.support.v4.app.FragmentPagerAdapter;
    import android.support.v4.view.PagerAdapter;
    import android.view.View;
    
    public class MyFragment extends FragmentPagerAdapter {
        List<Fragment> list;
        public MyFragment(FragmentManager fm, List<Fragment> list) {
            super(fm);
            // TODO Auto-generated constructor stub
     this.list=list;
        }
    
        @Override
        public Fragment getItem(int arg0) {
            // TODO Auto-generated method stub
            return list.get(arg0);
        }
    
        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return list.size();
        }
    
        
        
    
    }

    com.bawei.hor.Fragment1   fragment页

    package com.bawei.hor;
    
    import android.os.Bundle;
    import android.support.v4.app.Fragment;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.TextView;
    
    public class Fragment1 extends Fragment{
        String name;
    public Fragment1(String name) {
            // TODO Auto-generated constructor stub
      this.name=name;
    }
    
    
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        View view=inflater.inflate(R.layout.f1, null);
        TextView textView= (TextView) view.findViewById(R.id.t);
        textView.setText(name);
        return view;
    }
    }

  • 相关阅读:
    爬取数据问题
    b站评论区爬取
    词云图制作
    情感分析
    一个progressbar widget
    jQuery ui effects
    在使用jQuery的时候不小心的内存泄漏
    在javascript中实现类似asp.net webcontrol中的render的方法
    jQuery 1.7的隐藏改动
    jQuery编写widget的一些窍门
  • 原文地址:https://www.cnblogs.com/1426837364qqcom/p/5300535.html
Copyright © 2020-2023  润新知