Android 关于RelativeLayout.onMeasure出现的NullPointerException错误
2017-01-18 18:28
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在popupWindow中使用 popupView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);方法,使用低版本手机测试时(API 18),出现空指针错误,后经查询问题在于popupWindow的布局文件中,根布局为RelativeLayout,导致空指针异常,在Android 4.4之前会出现该错误,更改布局文件,将RelativeLayout改为其他问题消失;或者进行版本判断
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