Saturday 23 July 2016

ListView Example


Screenshots :


activity_main.xml :


<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.chantisandroid.exampleapp.MainActivity">

    <ListView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/listView"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true" />
</RelativeLayout>


activity_list.xml :


<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/label"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp"
android:textSize="16dp"
android:textStyle="bold" >
</TextView>


MainActivity.java :


package com.chantisandroid.exampleapp;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;


public class MainActivity extends AppCompatActivity implements AdapterView.OnItemClickListener {

    ListView listView;
    String[] NAMES = {"Android","Java","Oracle",".Net","Ios","Windows","Php","Sap",
                       "Blackberry","C++","C Language"};

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

        listView = (ListView)findViewById(R.id.listView);
        listView.setOnItemClickListener(this);

        ArrayAdapter adapter = new ArrayAdapter<String>(this, R.layout.activity_list, NAMES);
        listView.setAdapter(adapter);

    }

    @Override
    public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {

        Toast.makeText(this, NAMES[position], Toast.LENGTH_SHORT).show();
    }


}


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