Comments (4)
实际问题,是滑动状态错误
from datetimepicker.
不太理解你说的意思
如果你想在任何时候获取picker的值 可以通过picker.value 来获取
from datetimepicker.
场景是这样的:
需求:在控件滑动切换结束时,获取当前值的。
方案1: 我设置了setOnScrollListener来监听控件的滑动状态,但是,当前我通过点击,控件会自动切换下一项,但是没有触发scrollListener回调
方案2: 通过设置setOnValueChangedListener,来监听最新值,但是这个回调太频繁,而且这里有问题,例如:原本是选项是2,通过点击切换,最新值会回调:3->2->3,回调三次
所以,有什么方案可以获取到,控件停止滑动时,当前的值吗
`
binding.dateTimePicker2.setOnScrollListener((view, scrollState) -> {
Log.d("gmf", "showStreamerdelayCl2: scrollState=" + scrollState);
Log.d("gmf", "showStreamerdelayCl2: " + view.getValue());
if (scrollState == SCROLL_STATE_FLING) {
}
});
binding.dateTimePicker2.setOnValueChangedListener((picker, oldVal, newVal) -> {
Log.d("gmf", "showStreamerdelayCl2: oldVal= " + oldVal);
Log.d("gmf", "showStreamerdelayCl2: newVal=" + newVal);
Log.d("gmf", "showStreamerdelayCl2: newVal=" + (int) (newVal / 2f * 1000));
}
);
`
from datetimepicker.
这个目前没有很好的方法解决,如果你接受不了方案二频繁回调的话,我的建议是自己使用numberpicker类似的控件替换掉控制器内的numberpicker,因为仓库内的numberpicker是基于android number picker来修改的,这段时间比较忙,所以可能没有充足的时间来更新。
在手动点击触发值发生变更的时候调一下onScrollStateChange,这样应该可以比较友好的处理方案1的问题,你有时间的话,可以pull代码修改自己使用~
from datetimepicker.
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from datetimepicker.