Toast短时间内多次显示同一个提示信息只显示一次

public class ToastUtils {

private static Toast toast;
private static long oneTime = 0;
private static long twoTime = 0;
private static CharSequence info = "";

/***显示*/
public static void show(Context context, CharSequence text) {
show(context, text, Toast.LENGTH_SHORT);
}

private static void show(Context context, CharSequence text, int duration) {
try {
if (toast == null) {
toast = Toast.makeText(context, text, duration);
toast.show();
oneTime = System.currentTimeMillis();
}else{
twoTime = System.currentTimeMillis();
if (info.equals(text)){
if (twoTime - oneTime > Toast.LENGTH_SHORT){
toast.show();
}
}else{
info = text;
toast.setText(text);
toast.show();
}
}
oneTime = twoTime;
}catch (Exception e){
e.printStackTrace();
}
}

}