android - recyclerview item中的進度條動畫

Question

寫一個demo 想在recyclerview中 的item 中的進度條有動畫效果

就用不斷設定setProgress()的方式來寫了，可是在實際過程中，會發生動畫播放在不正確的item上
即使我判斷如果item是被重複使用的話則取消也無能為力。 。

SparseIntArray sparseIntArray = new SparseIntArray();
ArrayMap<Integer, Disposable> arrayMap = new ArrayMap<>();

binding.recyclerView.setAdapter(new BaseRecyclerViewAdapter<Integer>(strings) {
    @Override
    public int getLayoutId(int viewType) {
        return R.layout.recycler_item;//item布局 其中有一个横向的进度条空间
    }

    @Override
    protected void convert(VH holder, Integer i, int position) {
  
        int after = sparseIntArray.get(position);        //查看item是否第一次使用
        Disposable disposable1 = arrayMap.get(position);
        if (disposable1 != null) {
            PtrCLog.d("RecyclerViewActivity", "convert: " + "取消订阅");
            disposable1.dispose();
        }

        if (after == i) {
            PtrCLog.d("RecyclerViewActivity", "convert: " + "相同后直接设置");
            holder.setProgress(R.id.progress_bar_financing_item, i);
        } else {
            sparseIntArray.put(position, i);//存
            int castProgress = (i);      //当前得到的
            PtrCLog.d("LoanListAdapter", "progress: " + castProgress);
            PtrCLog.d("LoanListAdapter", "初次生效当前坐标为: " + position + "-----" + "存储的进度为" + castProgress);
            Disposable disposable = Observable
                    .intervalRange(0, castProgress + 1, 0, 30, TimeUnit.MILLISECONDS)
                    .observeOn(AndroidSchedulers.mainThread())
                    .subscribe(aLong -> {
                                PtrCLog.d("LoanListAdapter", "convert: " + position + "----" + aLong + "");
                                PtrCLog.d("RecyclerViewActivity", "convert: after" + (after == i));
                                holder.setProgress(R.id.progress_bar_financing_item, Integer.parseInt(aLong + ""));
                            }, throwable -> {
                            }
                            , () -> {
                            });
            arrayMap.put(position, disposable);
        }
    }
});
    

Answer 1

以後這種「動畫」盡量還是用動畫來做吧，

 ValueAnimator animator = ValueAnimator.ofInt(0, castProgress);
        animator.addUpdateListener(animation -> {
            int value = (int) animation.getAnimatedValue();
            holder.setProgress(R.id.progress_bar_financing_item, value);
        });
        animator.setDuration(2000);
        animator.start();