小编Sar*_*wal的帖子

我编写了一个处理程序来维护回收视图的自动滚动。它工作正常。但是当回收站视图中只有一个项目时我面临的问题。我的应用程序崩溃了，当我检查 logcat 时，我收到类似 java.lang.IllegalArgumentException: Invalid target position 的错误。

这是我的自定义 LinearLayoutManager 类

public class CustomLinearLayoutManager extends LinearLayoutManager {

    public CustomLinearLayoutManager (Context context) {
        super(context);
    }

    public CustomLinearLayoutManager(Context context, int orientation, boolean reverseLayout) {
        super(context, orientation, reverseLayout);
    }

    public CustomLinearLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
    }

    @Override
    public void smoothScrollToPosition(RecyclerView recyclerView, RecyclerView.State state, int position) {
        final LinearSmoothScroller linearSmoothScroller =
                new LinearSmoothScroller(recyclerView.getContext()) {
                    private static final float MILLISECONDS_PER_INCH = 100f;

                    @Override
                    public PointF computeScrollVectorForPosition(int targetPosition) …