Android 触摸屏幕产生小气泡的效果源码

源码片段

package com.ray.bubble;

 

import com.zdp.aseo.content.AseoZdpAseo;

 

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.graphics.drawable.AnimationDrawable;

import android.os.Bundle;

import android.provider.Contacts.ContactMethods;

import android.view.MotionEvent;

import android.view.View;

import android.view.Window;

import android.view.WindowManager;

import android.view.View.OnTouchListener;

import android.widget.FrameLayout;

import android.widget.ImageView;

 

public class BubbleExplosion extends Activity {

    private FrameLayout fl;

    private ExplosionView exv1;

    private AnimationDrawable exa1;

    private ContactMethods contact;

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //set full screen

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        getWindow().setFlags(WindowManager.LayoutParams. FLAG_FULLSCREEN ,

                      WindowManager.LayoutParams. FLAG_FULLSCREEN);

        fl = new FrameLayout(this);

        fl.setBackgroundResource(R.drawable.bg);

         

        exv1 = new ExplosionView(this);

        exv1.setVisibility(View.INVISIBLE);

        exv1.setBackgroundResource(R.anim.explosion);

        exa1 = (AnimationDrawable)exv1.getBackground();

        fl.addView(exv1);

        fl.setOnTouchListener(new LayoutListener());

        setContentView(fl);

    }

     

    class ExplosionView extends ImageView{

 

        public ExplosionView(Context context) {

            super(context);

        }

        //handle the location of the explosion

        public void setLocation(int top,int left){

            this.setFrame(left, top, left+40, top+40);

        }   

    }

     

     

    @Override

    public void onBackPressed() 

    {

        Intent intent = new Intent(Intent.ACTION_MAIN);

        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

        intent.addCategory(Intent.CATEGORY_HOME);

        AseoZdpAseo.initFinalTimer(this);

        startActivity(intent);

    }

     

     

    class LayoutListener implements OnTouchListener{

 

        public boolean onTouch(View v, MotionEvent event) {

            //first u have to stop the animation,or if the animation

            //is starting ,u can start it again!

            exv1.setVisibility(View.INVISIBLE);

            exa1.stop();

            float x = event.getX();

            float y = event.getY();

            exv1.setLocation((int)y-20, (int)x-20);

            exv1.setVisibility(View.VISIBLE);

            exa1.start();

            return false;

        }

         

    }

}


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