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Carbs0126 avatar Carbs0126 commented on July 21, 2024

感谢关注!
闪退是主动抛出的异常,便于检测数据是否越界,这样设计也是为了尽量和NumberPicker一致。

你可以这样写:

//输入一个最小值,输入连续的数,最大值自动按照(最小值+字符串数组长度-1)来确定
private void updateData(int newMinValue, String[] display) {
        int oldMinValue = picker.getMinValue();
        int oldMaxValue = picker.getMaxValue();
        int oldSpan = oldMaxValue - oldMinValue + 1;

        int newMaxValue = newMinValue + display.length - 1;
        int newSpan = newMaxValue - oldMinValue + 1;

    if (newSpan > oldSpan) {
            picker.setDisplayedValues(display);//更改这两个函数的调用顺序
            picker.setMinValue(newMinValue);//更改这两个函数的调用顺序
            picker.setMaxValue(newMaxValue);
        } else {
            picker.setMinValue(newMinValue);
            picker.setMaxValue(newMaxValue);
            picker.setDisplayedValues(display);
        }
    }

from numberpickerview.

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