摘要:
1.ViewPager中fragment引用问题; 正确引用: int index = viewPaper.getCurrentItem(); Fragment fragment = viewPaper.getAdapter().instantiateItem(viewPaper, index); 阅读全文
摘要:
1.Note that Kotlin does not have a new keyword. 2.The open annotation on a class is the opposite of Java's final: it allows others to inherit from thi 阅读全文