怎样使图像出现在指定的时间量,当按钮被点击?在日食 [英] How do I make an Image appear for a specified amount of time when a button is Clicked? In eclipse
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问题描述
只是想知道我怎样才能使一个按钮,点击使图像视图看起来像半个秒然后消失,直到按钮再次点击。我使用的乔达时间
下面就是我的。我是新来的Java,如果你不能告诉已
公共无效的onClick(视图v){
// TODO自动生成方法存根
DUR = 1;
如果(barrelblast!= 0)
sp.play(barrelblast,1,1,0,0,1);
振动器盛传=(振动器)getSystemService(Context.VIBRATOR_SERVICE);
vibe.vibrate(90); 如果(DUR!= 0)
smoke.setVisibility(View.VISIBLE);
Duration.standardSeconds(1);
解决方案
您可以试试这个:
公共无效的onClick(视图v){smoke.setVisibility(View.VISIBLE);
处理器delayedAction =新的处理程序();delayedAction.postDelayed(新的Runnable(){公共无效的run(){smoke.setVisibility(View.INVISIBLE); } },500);}
Just wondering how I can make a button click make an image view appear for like half a sec then disappear, until the button is clicked again. I'm using joda-time
Here's what I have. I'm new to java if you couldn't already tell.
public void onClick(View v) {
// TODO Auto-generated method stub
dur = 1;
if (barrelblast != 0)
sp.play(barrelblast, 1, 1, 0, 0, 1);
Vibrator vibe = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
vibe.vibrate (90);
if (dur != 0)
smoke.setVisibility(View.VISIBLE);
Duration.standardSeconds(1);
解决方案
You can try this:
public void onClick(View v){
smoke.setVisibility(View.VISIBLE);
Handler delayedAction = new Handler();
delayedAction.postDelayed(new Runnable() {
public void run() {
smoke.setVisibility(View.INVISIBLE);
}
}, 500);
}
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