修复 WheelView 的一个NPE

Bigkoo / Android-PickerView

This is a picker view for android , support linkage effect, timepicker and optionspicker.（时间选择器、省市区三级联动）

Apache License 2.0

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Closed chinnsenn closed 5 months ago

chinnsenn commented 3 years ago

问题：当 WheelView 没设置 Adapter ，但手指触摸了 WheelView ，由于 onTouchEvent 没用对 adapter 进行判空处理，导致调用 adapter 报 NPE