android 防止Button的频繁点击,多次执行点击事件

public abstract class OnClickEvent implements View.OnClickListener {

public static long lastTime;

public abstract void singleClick(View v);

@Override
public void onClick(View v) {
if (onDoubClick()) {
return;
}
singleClick(v);
}

public boolean onDoubClick() {
boolean flag = false;
long time = System.currentTimeMillis() - lastTime;

if (time > 500) {
flag = true;
}
lastTime = System.currentTimeMillis();
return flag;
}
}

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mClickView.setOnClickListener(new OnClickEvent() {
@Override
public void singleClick(View v) {

}
});