点击界面产生气泡，气泡效果~

最新推荐文章于 2024-07-24 16:02:08 发布

原创最新推荐文章于 2024-07-24 16:02:08 发布 · 1.2k 阅读

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文章标签：

#android #界面

本文介绍如何在Android应用中实现点击界面元素后弹出气泡提示的效果，提供了源代码下载供开发者参考。

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package com.ray.bubble;

import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.AnimationDrawable;
import android.os.Bundle;
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 Contact 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);
}
}

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;
}

}

}

源代码下载