[英]How to add counter timer for each list item in recyclerview
I want to create list which have items displayed remaining time for each item, please tell me how can I add this in recycler view ,I have seen solution for List view but it is not working in recycler view. 我想创建一个列表,其中显示每个项目的剩余时间,请告诉我如何在回收器视图中添加此列表,我已经看到了列表视图的解决方案,但在回收器视图中不起作用。
How to handle multiple countdown timers in ListView? 如何在ListView中处理多个倒数计时器?
@Override
public void onBindViewHolder(final ItemHolder holder, final int position) {
setDefferinceTimer(holder, mListItems.get(position).expirationTime);
/* new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
new CountDownTimer(20000, 1000) {
public void onTick(long millisUntilFinished) {
startCountDown(itemHolder, currentItem.getEnd_date() + " 00:00:00");
notifyDataSetChanged();
}
public void onFinish() {
//counterTextView.setText("done!");
}
}.start();
}
});
*/
}
public void setDefferinceTimer(final RecyclerView.ViewHolder holder, long itemEndDate) {
final ItemHolder itemHolder = (ItemHolder) holder;
current_date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
// reachableDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(itemEndDate);
/*try {
d1 = format.parse(current_date);
d2 = format.parse(itemEndDate + " 00:00:00");
} catch (ParseException e) {
e.printStackTrace();
}*/
diff = itemEndDate - System.currentTimeMillis();
diffSeconds = diff / 1000 % 60;
diffMinutes = diff / (60 * 1000) % 60;
diffHours = diff / (60 * 60 * 1000) % 24;
diffDays = diff / (24 * 60 * 60 * 1000);
itemHolder.textView_time.setText("" + diffDays + " Days " + diffHours + " Hours " + diffMinutes + " minuts " + diffSeconds + " seconds");
}
put this code in onCreateView method of your fragment having recylerview after initializing all widget and adapter 初始化所有小部件和适配器后,将此代码放入具有recylerview的片段的onCreateView方法中
final Handler mainHandler = new Handler(Looper.getMainLooper());
updateFuture = Executors.newSingleThreadScheduledExecutor().scheduleAtFixedRate(new Runnable() {
@Override## Heading ##
public void run() {
final int firstVisible = linearLayoutManager.findFirstVisibleItemPosition();
final int lastVisible = linearLayoutManager.findLastVisibleItemPosition();
mainHandler.post(new Runnable() {
@Override
public void run() {
adapter.notifyItemRangeChanged(firstVisible, lastVisible - firstVisible + 1);
}
});
}
}, 0, 1000, TimeUnit.MILLISECONDS);
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