本文实例讲述了Android编程实现仿心跳动画效果的方法。分享给大家供大家参考，具体如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
// 按钮模拟心脏跳动
private void playHeartbeatAnimation() {
AnimationSet animationSet = new AnimationSet(true);
animationSet.addAnimation(new ScaleAnimation(1.0f, 1.8f, 1.0f, 1.8f,
Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
0.5f));
animationSet.addAnimation(new AlphaAnimation(1.0f, 0.4f));
animationSet.setDuration(200);
animationSet.setInterpolator(new AccelerateInterpolator());
animationSet.setFillAfter(true);
animationSet.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationRepeat(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
AnimationSet animationSet = new AnimationSet(true);
animationSet.addAnimation(new ScaleAnimation(1.8f, 1.0f, 1.8f,
1.0f, Animation.RELATIVE_TO_SELF, 0.5f,
Animation.RELATIVE_TO_SELF, 0.5f));
animationSet.addAnimation(new AlphaAnimation(0.4f, 1.0f));
animationSet.setDuration(600);
animationSet.setInterpolator(new DecelerateInterpolator());
animationSet.setFillAfter(false);
// 实现心跳的View
imageView.startAnimation(animationSet);
}
});
// 实现心跳的View
imageView.startAnimation(animationSet);
}
|
由于这是一个循环的动画，所以需要开一个线程来进行动画的实现，当然还有另外一个方法，就是在一个动画结束开始另一个动画，在另一个动画结束开始这个动画也可以，这边示例用的是线程。
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
new Thread(){
public void run() {
while (true){
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
runOnUiThread(new Runnable() {
public void run() {
playHeartbeatAnimation();
}
});
}
};
}.start();
|
希望本文所述对大家Android程序设计有所帮助。