• android 带表头,左右两个联动的ListView


      1. package com.rytong.mylist;  
      2.   
      3. import java.util.ArrayList;  
      4. import java.util.HashMap;  
      5. import java.util.List;  
      6. import java.util.Random;  
      7.   
      8. import android.app.Activity;  
      9. import android.content.Context;  
      10. import android.graphics.Color;  
      11. import android.graphics.Rect;  
      12. import android.os.Bundle;  
      13. import android.view.MotionEvent;  
      14. import android.view.View;  
      15. import android.view.ViewGroup;  
      16. import android.widget.AbsListView;  
      17. import android.widget.BaseAdapter;  
      18. import android.widget.HorizontalScrollView;  
      19. import android.widget.LinearLayout;  
      20. import android.widget.LinearLayout.LayoutParams;  
      21. import android.widget.ListView;  
      22. import android.widget.TextView;  
      23.   
      24. public class SuperTables extends Activity {  
      25.   
      26.     public static final LayoutParams FULL = new LayoutParams(  
      27.             LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);  
      28.     public static final LayoutParams DEFINDELP = new LayoutParams(100200);  
      29.     public static final LayoutParams TEXTLP = new LayoutParams(10050);  
      30.     public static final int TEXTSIZE = 20;  
      31.     private LinearLayout mainLly;  
      32.     private ListView leftLst;  
      33.     private LinearLayout leftLly;  
      34.   
      35.     private HorizontalScrollView rightHsv;  
      36.     private LinearLayout rightLly;  
      37.     private ListView rightLst;  
      38.   
      39.     @Override  
      40.     protected void onCreate(Bundle savedInstanceState) {  
      41.         // TODO Auto-generated method stub  
      42.         super.onCreate(savedInstanceState);  
      43.         mainLly = new LinearLayout(this);  
      44.         mainLly.setLayoutParams(FULL);  
      45.         mainLly.setOrientation(LinearLayout.HORIZONTAL);  
      46.         initLeft();  
      47.         initRight();  
      48.         setCascading();  
      49.         setContentView(mainLly);  
      50.     }  
      51.   
      52.     private void initLeft() {  
      53.         leftLly = new LinearLayout(this);  
      54.         leftLly.setOrientation(LinearLayout.VERTICAL);  
      55.         leftLly.setLayoutParams(DEFINDELP);  
      56.         leftLst = new ListView(this);  
      57.         leftLst.setLayoutParams(FULL);  
      58.         // 添加ListView头部视图  
      59.         LinearLayout leftHead = new LinearLayout(this);  
      60.         // leftHead.setLayoutParams(TEXTLP);  
      61.         TextView tv = new TextView(this);  
      62.         tv.setText("title");  
      63.         tv.setTextSize(TEXTSIZE);  
      64.         tv.setLayoutParams(TEXTLP);  
      65.         leftHead.addView(tv);  
      66.         leftLly.addView(leftHead);  
      67.         // leftLst.addHeaderView(leftHead);  
      68.         leftLst.setAdapter(new LeftLstAdapter(thisnew String[] { "0.0.0.0",  
      69.                 "1.1.1.1""2.2.2.2""3.3.3.3""4.4.4.4""5.5.5.5",  
      70.                 "6.6.6.6""7.7.7.7""8.8.8.8""9.9.9.9" }));  
      71.         //leftLst.setScrollBarStyle();  
      72.         //leftLst.setScrollBarStyle(0);  
      73.         leftLst.setCacheColorHint(Color.TRANSPARENT);  
      74.         leftLst.setAlwaysDrawnWithCacheEnabled(true);  
      75.         //隐藏滚动条  
      76.         leftLst.setVerticalScrollBarEnabled(false);  
      77.         leftLly.addView(leftLst);  
      78.         leftLly.setBackgroundColor(Color.WHITE);  
      79.         mainLly.addView(leftLly);  
      80.         getWindow().getDecorView();  
      81.     }  
      82.   
      83.     public class LeftLstAdapter extends BaseAdapter {  
      84.         private Context context_;  
      85.         private String[] data_;  
      86.   
      87.         public LeftLstAdapter(Context context, String[] data) {  
      88.             // TODO Auto-generated constructor stub  
      89.             this.context_ = context;  
      90.             this.data_ = data;  
      91.         }  
      92.   
      93.         @Override  
      94.         public int getCount() {  
      95.             // TODO Auto-generated method stub  
      96.             return data_.length;  
      97.         }  
      98.   
      99.         @Override  
      100.         public Object getItem(int position) {  
      101.             // TODO Auto-generated method stub  
      102.             return data_[position];  
      103.         }  
      104.   
      105.         @Override  
      106.         public long getItemId(int position) {  
      107.             // TODO Auto-generated method stub  
      108.             return position;  
      109.         }  
      110.   
      111.         @Override  
      112.         public View getView(int position, View convertView, ViewGroup parent) {  
      113.             // TODO Auto-generated method stub  
      114.             LinearLayout lly = new LinearLayout(context_);  
      115.             TextView tv = new TextView(context_);  
      116.             tv.setLayoutParams(TEXTLP);  
      117.             tv.setText(data_[position]);  
      118.             tv.setTextSize(TEXTSIZE);  
      119.             lly.addView(tv);  
      120.             return lly;  
      121.         }  
      122.   
      123.     }  
      124.   
      125.     public static final String[] TITLES = new String[] { "name""sex""age",  
      126.             "school""salary""spouse" };  
      127.   
      128.     private void initRight() {  
      129.         rightHsv = new HorizontalScrollView(this);  
      130.         rightHsv.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,  
      131.                 200));  
      132.         rightLly = new LinearLayout(this);  
      133.         rightLly.setOrientation(LinearLayout.VERTICAL);  
      134.         rightLly.setLayoutParams(FULL);  
      135.         // 右侧ListVie标题  
      136.         LinearLayout lly = new LinearLayout(this);  
      137.         lly.setLayoutParams(new LayoutParams(100 * TITLES.length, 50));  
      138.         lly.setOrientation(LinearLayout.HORIZONTAL);  
      139.         TextView t = null;  
      140.         LinearLayout ly = null;  
      141.         for (int i = 0; i < TITLES.length; i++) {  
      142.             ly = new LinearLayout(this);  
      143.             ly.setLayoutParams(TEXTLP);  
      144.             t = new TextView(this);  
      145.             t.setText(TITLES[i]);  
      146.             t.setTextSize(TEXTSIZE);  
      147.             ly.addView(t);  
      148.             // t.setLayoutParams(TEXTLP);  
      149.             lly.addView(ly);  
      150.         }  
      151.         rightLly.addView(lly);  
      152.         rightLst = new ListView(this);  
      153.         rightLst.setAdapter(new RightAdapter(this, getData()));  
      154.         rightLly.addView(rightLst);  
      155.         rightHsv.addView(rightLly);  
      156.         rightHsv.setPadding(20000);  
      157.         mainLly.addView(rightHsv);  
      158.     }  
      159.   
      160.     // 设置联动  
      161.     private void setCascading() {  
      162.         rightLst.setOnTouchListener(new View.OnTouchListener() {  
      163.             @Override  
      164.             public boolean onTouch(View v, MotionEvent event) {  
      165.                 // TODO Auto-generated method stub  
      166.                 leftLst.dispatchTouchEvent(event);  
      167.                 return false;  
      168.             }  
      169.         });  
      170.   
      171.         leftLst.setOnScrollListener(new AbsListView.OnScrollListener() {  
      172.   
      173.             @Override  
      174.             public void onScrollStateChanged(AbsListView view, int scrollState) {  
      175.                 // TODO Auto-generated method stub  
      176.             }  
      177.               
      178.             @Override  
      179.             public void onScroll(AbsListView view, int firstVisibleItem,  
      180.                     int visibleItemCount, int totalItemCount) {  
      181.                 if (leftLst.getChildAt(0) != null) {  
      182.                     Rect r = new Rect();  
      183.                     leftLst.getChildVisibleRect(leftLst.getChildAt(0), r, null);  
      184.                     rightLst.setSelectionFromTop(  
      185.                             leftLst.getFirstVisiblePosition(), r.top);  
      186.                 }  
      187.   
      188.             }  
      189.         });  
      190.   
      191.     }  
      192.   
      193.     public List<HashMap<String, String>> getData() {  
      194.         List<HashMap<String, String>> data = new ArrayList<HashMap<String, String>>();  
      195.         HashMap<String, String> dataItem = null;  
      196.         Random rd = new Random();  
      197.         for (int i = 0; i < 9; i++) {  
      198.             dataItem = new HashMap<String, String>();  
      199.             for (int j = 0; j < TITLES.length; j++) {  
      200.                 dataItem.put(TITLES[j],  i + "");//rd.nextInt(10000)  
      201.             }  
      202.             data.add(dataItem);  
      203.         }  
      204.   
      205.         return data;  
      206.     }  
      207.   
      208.     public class RightAdapter extends BaseAdapter {  
      209.   
      210.         Context context_;  
      211.         List<HashMap<String, String>> data_;  
      212.   
      213.         public RightAdapter(Context context, List<HashMap<String, String>> data) {  
      214.             // TODO Auto-generated constructor stub  
      215.             this.context_ = context;  
      216.             this.data_ = data;  
      217.         }  
      218.   
      219.         @Override  
      220.         public int getCount() {  
      221.             // TODO Auto-generated method stub  
      222.             return data_.size();  
      223.         }  
      224.   
      225.         @Override  
      226.         public Object getItem(int position) {  
      227.             // TODO Auto-generated method stub  
      228.             return data_.get(position);  
      229.         }  
      230.   
      231.         @Override  
      232.         public long getItemId(int position) {  
      233.             // TODO Auto-generated method stub  
      234.             return position;  
      235.         }  
      236.   
      237.         @Override  
      238.         public View getView(int position, View convertView, ViewGroup parent) {  
      239.             LinearLayout lly = new LinearLayout(context_);  
      240.             lly.setOrientation(LinearLayout.HORIZONTAL);  
      241.             TextView tv = null;  
      242.             for (int i = 0, size = data_.get(position).size(); i < size; i++) {  
      243.                 tv = new TextView(context_);  
      244.                 tv.setLayoutParams(TEXTLP);  
      245.                 tv.setText(data_.get(position).get(TITLES[i]));  
      246.                 tv.setTextSize(TEXTSIZE);  
      247.                 lly.addView(tv);  
      248.             }  
      249.             return lly;  
      250.         }  
      251.   
      252.     }  
      253.   
      254. }
      255.   总结:用此方法来实现存在较大弊端,在高版本手机中会明显出现跳格现象,有时并不准确,所以慎用之!!!!!!!!!
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  • 原文地址:https://www.cnblogs.com/Free-Thinker/p/3631129.html
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