putExtra如何发送到新的Activity Arraylist <string [] =“”>

Question

如何将发送Arraylist发送到另一个活动？

@Override
protected void onPostExecute(ArrayList<String[]> s) {
    Intent newActivity =  new Intent(main,ListadoUltimosRegistros.class);
    newActivity.putExtra("LR",(ArrayList<String[]>)s);
    newActivity.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    main.startActivity(newActivity);
}

Answer 1

you can use data serializable class and use in put extra statements
 Intent i = new Intent(getApplicationContext(), DataList.class);
            i.putExtra("password", (Serializable) contactList);
           startActivity(i);
//and fetch the data as a
if(getIntent().getSerializableExtra("password")!=null)
 {
            con=(ArrayList<Contact>)getIntent().getSerializableExtra("password");
            email_mobile = contactList.get(0)._emnumber;
            pass__word = contactList.get(0)._password;
}

Answer 2

您可以将自定义对象发送为：

intent.putExtra("MyClass", obj);

// To retrieve object in second Activity
getIntent().getSerializableExtra("MyClass");

Answer 3

试试这个。

在您的onPostExecute上发送。

Intent newActivity =  new Intent(main,ListadoUltimosRegistros.class);
ArrayList<String> myList = new ArrayList<String>();
newActivity.putExtra("mylist", myList);
newActivity.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
newActivity.startActivity(newActivity);

接收端

使用此功能。

ArrayList<String> myList = (ArrayList<String>) getIntent().getSerializableExtra("mylist");

Answer 4

试试这个。

发送：

i.putStringArrayListExtra("list", your list);

用于检索：

 getIntent().getStringArrayListExtra(list)

其中i是Intent对象。