自定义Absolutelayout

 package com.control;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.AttributeSet;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsoluteLayout;
import android.widget.ImageView;
import android.widget.TextView;

public class MyAbsoluteLayout extends AbsoluteLayout {

 private static final String TAG=MyAbsoluteLayout.class.getSimpleName();
 private Bitmap bitmap,bitmap_push,bitmap_ball;
 private ImageView iv=null;
 private ImageView iv_ball=null;
 private int locX=50,locX_ball=250;
 private int locY=50,locY_ball=250;
 private static int buf[]={R.drawable.a,R.drawable.b,R.drawable.ball,R.drawable.a_press,R.drawable.b_press};
 private static int bufSizeX[]={50,100,150,200,250};
 int n=0;
 GestureDetector mGestureDetector;
 AbsoluteLayout.LayoutParams params,params_ball;
 public MyAbsoluteLayout(Context context, AttributeSet attrs) {

  super(context, attrs);
  this.layout(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT, 0, 0);
  
  bitmap=BitmapFactory.decodeResource(getResources(), R.drawable.icon);
  bitmap_push=BitmapFactory.decodeResource(getResources(), R.drawable.add_bt);
  bitmap_ball=BitmapFactory.decodeResource(getResources(), R.drawable.ball);
  
  for(int i=0;i<buf.length;i++){

   iv=new ImageView(this.getContext());
   bitmap=BitmapFactory.decodeResource(getResources(), buf[i]);
   params=new AbsoluteLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT, bufSizeX[i], bufSizeX[i]);  
   iv.setImageBitmap(bitmap);
   this.addView(iv,params);
   iv.setOnTouchListener(onl);
  }
  
  
//  iv=new ImageView(this.getContext());
//  params=new AbsoluteLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT, locX, locY);  
//  iv.setImageBitmap(bitmap);
//  this.addView(iv,params);
//  TextView tx=new TextView(this.getContext());
//  params=new AbsoluteLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,ViewGroup.LayoutParams.FILL_PARENT, 0, 0);  
//  this.addView(tx,params);
//  //ball
//  iv_ball=new ImageView(this.getContext());
//  params_ball=new AbsoluteLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT, locX_ball, locY_ball);  
//  iv_ball.setImageBitmap(bitmap_ball);
//  this.addView(iv_ball,params_ball);
//  iv.setOnTouchListener(onl);
//  iv_ball.setOnTouchListener(onl);
//  this.setOnTouchListener(onl);
  
  
  
 }
 private OnTouchListener onl=new OnTouchListener(){

  @Override
  public boolean onTouch(View v, MotionEvent event) {

 
   
   int x=(int)event.getRawX();
   int y=(int)event.getRawY();
   if(event.getAction() == MotionEvent.ACTION_DOWN){

    locX=x;
    locY=y;
    Log.d(TAG, “down—locX”+x+”locY”+y);
    if(v == iv){

     bitmap=BitmapFactory.decodeResource(getResources(), R.drawable.add_bt);
     iv.setImageBitmap(bitmap);
    }
    
   }
   if(event.getAction() == MotionEvent.ACTION_UP){

    locX=x;
    locY=y;
    Log.d(TAG, “up—locX”+x+”locY”+y);
    if(v == iv){

     bitmap=BitmapFactory.decodeResource(getResources(), R.drawable.icon);
     iv.setImageBitmap(bitmap);
    }
    if(v == iv_ball){

     iv_ball.layout(locX_ball, locY_ball, locX_ball+iv_ball.getWidth(), locY_ball+iv_ball.getHeight());
    }
    
   }
   if(event.getAction() == MotionEvent.ACTION_MOVE){

    locX=x;
    locY=y;
    if(v == iv_ball){

//     locX_ball=locX;
//     locY_ball=locY;
     Log.d(TAG, “move—locX”+x+”locY”+y);
     
     iv_ball.layout(locX – iv_ball.getWidth() / 2, locY – iv_ball.getHeight()
       / 2, locX + iv_ball.getWidth() / 2, locY + iv_ball.getHeight()
       / 2);
     
//     iv_ball.layout(locX – MyAbsoluteLayout.this.getWidth() / 2, locY – MyAbsoluteLayout.this.getHeight()
//       / 2, locX + MyAbsoluteLayout.this.getWidth() / 2, locY + MyAbsoluteLayout.this.getHeight()
//       / 2);
//     
//     
//     // slow down the motion reaction
//     if (n % 4 == 0) {

//      if (x < locX_ball && y > locY_ball
//        && y < locY_ball + iv_ball.getWidth()) {

//       System.out.println(“test] left”);
//      } else if (x > locX_ball + iv_ball.getWidth() && y > locY_ball
//        && y < locY_ball + iv_ball.getWidth()) {

//       System.out.println(“test] right”);
//      } else if (y < locY_ball && x > locX_ball
//        && x < locX_ball + iv_ball.getWidth()) {

//       System.out.println(“test] top”);
//      } else if (y > locY_ball + iv_ball.getWidth() && x > locX_ball
//        && x < locX_ball + iv_ball.getWidth()) {

//       System.out.println(“test] buttom”);
//      }
//     }
    }
   }
   v.postInvalidate();
   return true;
  }
 };
 

}

—————————–

 <com.control.MyAbsoluteLayout android:id=”@+id/control_custom_view”
  android:layout_width=”fill_parent” android:layout_height=”fill_parent”/>