Android 分享机顶盒项目的封装类《GridView》

package com.yaomei.widget;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.content.Context;
import android.content.Intent;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.yaomei.activity.adapter.AppsAdapter;
import com.yaomei.activity.info.R;

public   class  gridViewExt extends LinearLayout {
     public  List < HashMap < String, Object >>  tableRowsList;
     private  List < HashMap < String, Object >>  app  =   new  ArrayList < HashMap < String, Object >> ();
     private  AppsAdapter adapter;

    onItemClickListener onItemClickEvent;
    onLongPressExt onLongPress;
     int  checkRowID  =   - 1 ;  //  选中行的下标
     int  checkColumnID  =   - 1 ;  //  选中列的下标
     int  lastRowCount  =   - 1 ;  //  最后一行的总数
     private   int  ColumnCount;  //  每列的总数

     public   void  setColumnCount( int  count) {
         this .ColumnCount  =  count;
    }

     public   int  getColumnCount() {
         return  ColumnCount;
    }

     public   interface  onItemClickListener {
         public  boolean onItemClick( int  position, MotionEvent  event , View view);
    }

     public   interface  onLongPressExt {
         public  boolean onLongPress(View view);
    }

     public  gridViewExt(Context context) {
         this (context,  null );
         //  TODO Auto-generated constructor stub
    }

     public  gridViewExt(Context context, AttributeSet attrs) {
        super(context, attrs);
         int  resouceID  =   - 1 ;
        TypedArray typedArray  =  context.obtainStyledAttributes(attrs,
                R.styleable.GridViewExt);
         int  N  =  typedArray.getIndexCount();
         for  ( int  i  =   0 ; i  <  N; i ++ ) {
             int  attr  =  typedArray.getIndex(i);
             switch  (attr) {
             case  R.styleable.GridViewExt_ColumnCount:
                resouceID  =  typedArray.getInt(
                        R.styleable.GridViewExt_ColumnCount,  0 );
                setColumnCount(resouceID);
                 break ;

            }
        }
        typedArray.recycle();
    }

     public   void  setOnItemClickListener(onItemClickListener click) {
         this .onItemClickEvent  =  click;
    }

     public   void  setOnLongPressListener(onLongPressExt longPress) {
         this .onLongPress  =  longPress;
    }

     public   void  NotifyDataChange() {
        removeAllViews();
    }

     void  bindView() {
        removeAllViews();
         int  count  =  adapter.getCount();
        TableCell[] cell  =   null ;
         int  j  =   0 ;
        LinearLayout layout;
        tableRowsList  =   new  ArrayList < HashMap < String, Object >> ();
         for  ( int  i  =   0 ; i  <  count; i ++ ) {
            j ++ ;
            final  int  position  =  i;
             if  (j  >  getColumnCount()  ||  i  ==   0 ) {
                cell  =   new  TableCell[getColumnCount()];
            }

            final View view  =  adapter.getView(i,  null ,  null );

            view.setOnTouchListener( new  OnTouchListener() {

                @Override
                 public  boolean onTouch(View v, MotionEvent  event ) {
                     //  TODO Auto-generated method stub
                    unCheckPressed();
                    checkRowID  =   - 1 ;
                    checkColumnID  =   - 1 ;
                     if  (onItemClickEvent  !=   null ) {

                        onItemClickEvent.onItemClick(position,  event , view);
                    }
                     return   false ;
                }
            });

            view.setOnLongClickListener( new  OnLongClickListener() {

                @Override
                 public  boolean onLongClick(View v) {
                     if  (onLongPress  !=   null ) {
                        onLongPress.onLongPress(v);
                    }
                     return   true ;
                }
            });
            cell[j  -   1 ]  =   new  TableCell(view);
             if  (j  ==  getColumnCount()) {
                lastRowCount  =  j;
                j  =   0 ;
                HashMap < String, Object >  map  =   new  HashMap < String, Object > ();
                TableRow tr  =   new  TableRow(cell);
                map.put( " tableRow " , tr);
                tableRowsList.add(map);
                layout  =   new  LinearLayout(getContext());
                addLayout(layout, cell, tr.getSize(), tr);

            }  else   if  (i  >=  count  -   1   &&  j  >   0 ) {
                lastRowCount  =  j;
                HashMap < String, Object >  map  =   new  HashMap < String, Object > ();
                TableRow tr  =   new  TableRow(cell);
                map.put( " tableRow " , tr);
                tableRowsList.add(map);
                layout  =   new  LinearLayout(getContext());
                addLayout(layout, cell, j, tr);
            }

        }

    }

     private   void  addLayout(LinearLayout layout, TableCell[] cell,  int  size,
            TableRow tr) {

        LinearLayout.LayoutParams  params   =   new  LinearLayout.LayoutParams( 130 ,
                 110 );
        layout.setGravity(Gravity.LEFT);

        layout.setOrientation(LinearLayout.HORIZONTAL);
         for  ( int  k  =   0 ; k  <  size; k ++ ) {
            View remoteView  =  (View) tr.getCellValue(k).getValue();
            layout.addView(remoteView, k,  params );
        }
        LinearLayout.LayoutParams firstParams  =   new  LinearLayout.LayoutParams(
                LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
        firstParams.leftMargin  =   60 ;
        addView(layout, firstParams);
    }

     public   void  setAdapter(AppsAdapter appsAdapter) {
         this .adapter  =  appsAdapter;
         this .setOrientation(LinearLayout.VERTICAL);
        bindView();
    }

     public   void  checkPressed( int  tableRowId,  int  tableRowColumnId) {
        ViewGroup view  =  (ViewGroup)  this .getChildAt(tableRowId);

        checkColumnID  =  tableRowColumnId;
        checkRowID  =  tableRowId;
        changeImageState(view.getChildAt(tableRowColumnId), app);

    }

     public   void  onClick( int  tableRowId,  int  tableRowColumnId, Context context) {
        LinearLayout view  =  (LinearLayout) ((ViewGroup)  this
                .getChildAt(tableRowId)).getChildAt(tableRowColumnId);

        TextView tv  =  (TextView) view.findViewById(R.id.folder);
        final String[] name  =  tv.getText().toString().split( " - " );
        Intent intent  =   null ;
         if  (name[ 0 ].toString().equals( " com.android.contacts " )) {
             if  (name[ 1 ].toString().equals(
                     " com.android.contacts.DialtactsActivity " )) {
                intent  =   new  Intent(Intent.ACTION_DIAL);
            }
             if  (name[ 1 ].toString().equals(
                     " com.android.contacts.DialtactsContactsEntryActivity " )) {
                intent  =   new  Intent(Intent.ACTION_CALL_BUTTON);
            }
        }  else  {
            intent  =  getContext().getPackageManager()
                    .getLaunchIntentForPackage(name[ 0 ].toString());
        }
        context.startActivity(intent);

    }

     /* *
     * 改变图片状态
     * 
     * @param v
     * @param list
      */
     private   void  changeImageState(View v, List < HashMap < String, Object >>  list) {
         int  size  =  list.size();
         for  ( int  i  =   0 ; i  <  size; i ++ ) {
            View view  =  (View) list. get (i). get ( " touch " );
            view.setPressed( false );
            list.remove(i);
        }
        v.setPressed( true );
        HashMap < String, Object >  map  =   new  HashMap < String, Object > ();
        map.put( " touch " , v);
        list.add(map);

    }

     public   void  unCheckPressed() {
         if  (checkColumnID  !=   - 1   &&  checkRowID  !=   - 1 ) {
            ViewGroup view  =  (ViewGroup)  this .getChildAt(checkRowID);
            view.getChildAt(checkColumnID).setPressed( false );

        }
    }

     public   class  TableRow {
         private  TableCell[] cell;

         public  TableRow(TableCell[] cell) {
             this .cell  =  cell;
        }

         public   int  getSize() {
             return  cell.length;
        }

         public  TableCell getCellValue( int  index) {
             if  (index  >=  getSize()) {
                 return   null ;
            }
             return  cell[index];
        }

         public   int  getCellCount() {

             return  cell.length;

        }

         public   int  getLastCellCount() {
             return  lastRowCount;
        }
    }

     static   public   class  TableCell {
         private  Object value;

         public  TableCell(Object value) {
             this .value  =  value;
        }

         public  Object getValue() {
             return  value;
        }
    }

}