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  • Android笔记之fragment之间相互传值

    fragment1中先获取fragment2中的控件,然后通过控件自己的方法得到值

    button.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View arg0) {
                    // TODO Auto-generated method stub
                    
                    Fragment2 fragment2 = (Fragment2) getFragmentManager()
                            .findFragmentByTag("fragment2");
                    EditText editText = (EditText) fragment2.getView()
                            .findViewById(R.id.editText2);
                    Toast.makeText(getActivity(),
                            "--two->>" + editText.getText().toString(), 1).show();
                }
            });

    LeftFragment通过Bundle 传值

    RightFragment fragment = new RightFragment();
            transaction = manager.beginTransaction();
            transaction.replace(R.id.right, fragment, "fragment");
            transaction.addToBackStack("fragment");
            Bundle bundle = new Bundle();
            bundle.putString("item", item);
            fragment.setArguments(bundle);
            transaction.commit();

    RightFragment 接收参数
    @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
            // TODO Auto-generated method stub
            View view = inflater.inflate(R.layout.right, null);
            TextView textView = (TextView) view.findViewById(R.id.textView1);
            Bundle bundle = getArguments();
            if (bundle != null) {
                String item = bundle.getString("item");
                textView.setText(item);
            }
    
            return view;
        }

    Done!

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  • 原文地址:https://www.cnblogs.com/xingyyy/p/3608878.html
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