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android studio报:java.lang.IllegalStateException: Can't change tag of fragment

危文乐
2023-12-01

java.lang.IllegalStateException: Can't change tag of fragment fendo1MainActivity{531dbce4 id=0x7f0b0054 android:switcher:2131427412:0}: was android:switcher:2131427412:0 now android:switcher:2131427412:1


这里写错了:


//往碎片集合添加碎片
fendo1MainActivity fendo1=new fendo1MainActivity();
fendo2MainActivity fendo2=new fendo2MainActivity();
fendo3MainActivity fendo3=new fendo3MainActivity();

list.add(fendo1);
list.add(fendo1);
list.add(fendo1);


//给ViewPager设置适配器
viewpager.setAdapter(new myAdapter(getSupportFragmentManager()));


因该是:


list.add(fendo1);
list.add(fendo2);
list.add(fendo3);

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