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java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setTe
时间 2021-01-02
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androi
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Java
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问题来龙去脉: 把mainactivity主界面TextView 移到了另外的activity上 结果主界面的还留有resultText.setText()语句 程序报错找不到该TextView 最后导致无法启动activity 程序闪退 去掉mainactivity中相关语句、、、
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