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setContentView(R.layout.main) main cannot be resolved or is not a field解决办法

 
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有时候这里的main会报错,setContentView(R.layout.main);

提示说

main cannot be resolved or is not a field

 

其他类似的 R.drawable.*等等这种错误,解决方法就是 把 导入的import android.R;删除,再 按ctrl+shift+o重新导入就可以了。

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