Toast那行提示错误：The method makeText(Context, CharSequence, int) in the type Toast is not applicable for the arguments (Class, String, int)
把Toast.makeText(activity06.class,"female",Toast.LENGTH_SHORT).show(); 这行里面的activity.class改为activity.this makeText方法的第一个参数指的是上下文的对象，你这里上下文的对象是这个activity本身，所以写成activity.this代表本身
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