public?class?BookActivity?extends?AppCompatActivity?{
????private?BookBiz?bookBiz=new?BookBiz();
????private?List<BookList.DataBean>?mData=new?ArrayList<>();
????private?BookListAdapter?adapter;
????private?ListView?mlistView;
????@Override
????protected?void?onCreate(Bundle?savedInstanceState)?{
????????super.onCreate(savedInstanceState);
????????setContentView(R.layout.activity_book);
????????mlistView=findViewById(R.id.book_lv);
????????initView();
????????
????}
????private?void?initView()?{
????????bookBiz.listView(new?BookCallback<List<BookList.DataBean>>()?{
????????????@Override
????????????public?void?onError(Exception?ex)?{
????????????}
????????????@Override
????????????public?void?onSuccess(List<BookList.DataBean>?response)?{
????????????????if?(response.size()==0){
????????????????????Log.e("List","返回結果是空");
????????????????????return;
????????????????}
????????????????mData.addAll(response);
????????????????Log.e("main1","數據"+mData.size());
???????????????
????????????}
????????});
????????Log.e("main2","數據"+mData.size());????
????????adapter=new?BookListAdapter(this,mData);
????????mlistView.setAdapter(adapter);
????}
????protected?static?void?start(Context?context){
????????Intent?intent=new?Intent(context,BookActivity.class);
????????context.startActivity(intent);
????}
}我在后臺的log顯示的main1 有數據可是在main2里顯示沒有數據。在Callback返回有數據? 可是就是拿不到
1 回答
離歌丶D
TA貢獻2條經驗 獲得超0個贊
bookBiz.listView(new?BookCallback<List<BookList.DataBean>>()?{
????????????@Override
????????????public?void?onError(Exception?ex)?{
????????????}
????????????@Override
????????????public?void?onSuccess(List<BookList.DataBean>?response)?{
????????????????if?(response.size()==0){
????????????????????Log.e("List","返回結果是空");
????????????????????return;
????????????????}
????????????????mData.addAll(response);
????????????????//這里需要更新一下adapter中的數據
????????????????Log.e("main1","數據"+mData.size());
???????????????
????????????}
????????});- 1 回答
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