android错误:The method makeText(Context, CharSequence, int) in the type
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错误提示:The method makeText(Context, CharSequence, int) in the type Toast is not applicable for the arguments (new View.OnClickListener(){}, String, int)
错误原由:在makeText的第一个参数Context指的是上下文对象,而此处上下文并不是该Activity。。。你必须使用自己的Activity.this如我的是Toast.makeText(MainActivity.this, "已经到了第一周", Toast.LENGTH_SHORT).show() ;
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