在Activity中重写onCreate等方法时,输入完onCreate后直接回车导入,会自动引入如下代码:
@Override
protected void onCreate(@Nullable @org.jetbrains.annotations.Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
从代码中可以看到:除了添加了 androidx.annotation.Nullable 以外,还自动引入了 @org.jetbrains.annotations.Nullable 注解,而且会有标红。解决方法如下:
![](https://img-blog.csdnimg.cn/4a1c8119a86942598cafbe7d93c08647.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAREzkuLblk4jmoLnovr7mlq8=,size_20,color_FFFFFF,t_70,g_se,x_16)
![](https://img-blog.csdnimg.cn/07fa99fd7ad945689f470aa4cf21b2ec.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAREzkuLblk4jmoLnovr7mlq8=,size_12,color_FFFFFF,t_70,g_se,x_16)
设置成功保存后,在代码界面重新输入onCreate敲回车,就不会有 @org.jetbrains.annotations.Nullable 注解引入了。
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
![](https://img-blog.csdnimg.cn/65df01ae60a549b0b41b8631befbeb1b.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAREzkuLblk4jmoLnovr7mlq8=,size_18,color_FFFFFF,t_70,g_se,x_16)