Android——ImageButton按下效果设计

Android——ImageButton按下效果设计

文章分类:移动开发
使用Button时为了让用户有“按下”的效果，有两种实现方式：
1.Java代码实现：
Java代码 
imageButton.setOnTouchListener(new OnTouchListener(){      
                        @Override     
                        public boolean onTouch(View v, MotionEvent event) {      
                                if(event.getAction() == MotionEvent.ACTION_DOWN){      
                                        //更改为按下时的背景图片      
                                        v.setBackgroundResource(R.drawable.pressed);      
                                }else if(event.getAction() == MotionEvent.ACTION_UP){      
                                        //改为抬起时的图片      
                                        v.setBackgroundResource(R.drawable.released);      
                                }      
                                return false;      
                        }      
                });     
imageButton.setOnTouchListener(new OnTouchListener(){   
                        @Override   
                        public boolean onTouch(View v, MotionEvent event) {   
                                if(event.getAction() == MotionEvent.ACTION_DOWN){