如何在ListView项目中进行操作并将该数据传递到android中的下一个活动？

Question

I tried using getItem() method and in getView() method, problem not solved. How to do it in each item list view and to pass that specific item data to another activity.

Answer 1

Use this:

In XML:

<ListView
   android:id="@+id/lv"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"/>

In Java:

First findViewById :

ListView lv = (ListView) findViewById(R.id.lv);

Then make a String list and use ArrayAdapter for static data if you are using dynamic data then make CustomAdapter :

String[] abc = new String[] {"A","B","C","D","E","F"};

List<String> abc_list = new ArrayList<String>(Arrays.asList(abc));

ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>
                (this, android.R.layout.simple_list_item_1, abc_list);

lv.setAdapter(arrayAdapter);

Now for select an item for a particular list item use setOnItemClickListener :

lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        String selectedItem =(String)parent.getItemAtPosition(position);
        Toast.makeText(this, selectedItem, Toast.LENGTH_SHORT).show();  

        // For next Activity use Intent
        Intent intent = new Intent (this, SendDataActivityName.class);
        intent.putExtra("pass_data_id_name", selectedItem);
        startActivity(intent);
    }
});

For basic things or dynamic data use these links:

• https://www.codeproject.com/Tips/1023525/Dynamic-ListView-with-Custom-Adapter-in-Android
• http://sampleprogramz.com/android/listview.php
• https://www.developerfusion.com/article/145373/android-listviews-with-dynamic-data/
• http://wptrafficanalyzer.in/blog/dynamically-add-items-to-listview-in-android/
• https://www.survivingwithandroid.com/2012/10/android-listviewarrayadapter-and.html
• https://www.android-examples.com/create-listview-in-android-programmatically/
• https://www.android-examples.com/add-item-in-listview-in-android-programmatically/
• https://androidexample.com/Dynamically_Create_View_Elements__-_Android_Example/index.php?view=article_discription&aid=115

Answer 2

To pass data to other activities:

intent.putExtra("myList",myList);

To recieve data from current activity:

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