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Android 如何将列表视图数据传递给另一个列表视图?_Android_Listview_Android Fragments - Fatal编程技术网

Android 如何将列表视图数据传递给另一个列表视图?

Android 如何将列表视图数据传递给另一个列表视图?,android,listview,android-fragments,Android,Listview,Android Fragments,我有两个片段, 我想将列表视图数据从片段1发送到片段2 当用户单击Fragment1\u listview.xml上的按钮时,将出现fragment2\u listview,它具有来自Fragment1的相同数据 MainActivity.java @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInsta

我有两个片段, 我想将列表视图数据从片段1发送到片段2

当用户单击
Fragment1\u listview.xml上的按钮时,将出现
fragment2\u listview
,它具有来自Fragment1的相同数据

MainActivity.java

           @Override
           protected void onCreate(Bundle savedInstanceState) {
               super.onCreate(savedInstanceState);
               setContentView(R.layout.activity_cart);

        CartFragment();
               FragmentManager manager = getSupportFragmentManager();
               final int commit = 
        manager.beginTransaction().replace(R.id.fragment_container, cartFragment,
                       cartFragment.getTag()).commit();

           }

           }
        @Override
        public View onCreateView(LayoutInflater inflater, final ViewGroup container,
                                Bundle savedInstanceState) {
           view = inflater.inflate(R.layout.fragment_cart, container, false);




           return view;
        }

            @Override
            public void processFinish(String s) {



           try {
               itemList = new JsonConverter<Cart>().toArrayList(s, Cart.class);
           } catch (Exception e) {
               e.printStackTrace();
           }


           BindDictionary dic = new BindDictionary();

                   dic.addStringField(R.id.tvName, new StringExtractor<Cart>() {
               @Override
               public String getStringValue(Cart item, int position) {
                   return item.orderName;
               }
           });

           dic.addStringField(R.id.tvDesc, new StringExtractor<Cart>() {
               @Override
               public String getStringValue(Cart item, int position) {
                   return item.description;
               }
           }).visibilityIfNull(View.GONE);



           adapter = new FunDapter<>(CartFragment.this.getActivity(), itemList, 
           R.layout.cart_row, dic);
           lv = (ListView)view.findViewById(R.id.lvCart);
           lv.setAdapter(adapter);

           lv.setOnItemClickListener(this);


    }
        public View onCreateView(LayoutInflater inflater, final  ViewGroup 
        container,
                                Bundle savedInstanceState) {

            view = inflater.inflate(R.layout.fragment_payment, container, false);


       return view;
    }
Fragment1.java

           @Override
           protected void onCreate(Bundle savedInstanceState) {
               super.onCreate(savedInstanceState);
               setContentView(R.layout.activity_cart);

        CartFragment();
               FragmentManager manager = getSupportFragmentManager();
               final int commit = 
        manager.beginTransaction().replace(R.id.fragment_container, cartFragment,
                       cartFragment.getTag()).commit();

           }

           }
        @Override
        public View onCreateView(LayoutInflater inflater, final ViewGroup container,
                                Bundle savedInstanceState) {
           view = inflater.inflate(R.layout.fragment_cart, container, false);




           return view;
        }

            @Override
            public void processFinish(String s) {



           try {
               itemList = new JsonConverter<Cart>().toArrayList(s, Cart.class);
           } catch (Exception e) {
               e.printStackTrace();
           }


           BindDictionary dic = new BindDictionary();

                   dic.addStringField(R.id.tvName, new StringExtractor<Cart>() {
               @Override
               public String getStringValue(Cart item, int position) {
                   return item.orderName;
               }
           });

           dic.addStringField(R.id.tvDesc, new StringExtractor<Cart>() {
               @Override
               public String getStringValue(Cart item, int position) {
                   return item.description;
               }
           }).visibilityIfNull(View.GONE);



           adapter = new FunDapter<>(CartFragment.this.getActivity(), itemList, 
           R.layout.cart_row, dic);
           lv = (ListView)view.findViewById(R.id.lvCart);
           lv.setAdapter(adapter);

           lv.setOnItemClickListener(this);


    }
        public View onCreateView(LayoutInflater inflater, final  ViewGroup 
        container,
                                Bundle savedInstanceState) {

            view = inflater.inflate(R.layout.fragment_payment, container, false);


       return view;
    }

但我不知道怎么做。请帮助我。

我认为最好的解决方案是将变量放在主活动中,并从片段中访问它们。我的意思是,如果您必须在所有片段中执行相同的操作,您可以在活动中编写代码,只需调用所需的方法。

sir@SantanuSur的可能副本我有一个fragment1\u行,它是从数据库获取的数据的持有者