Basic ListActivity With Layout

Using Android Studio 1.4

1) Create New Project

Application Name: MyListActivityWithLayout1

Select API 14:Android 4.0 (IceCreamSandwich)

Follow the wizard to create New Empty Activity.

Select “Generate Layout File”

2) Edit res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<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"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context=".MainActivity" >

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:id="@+id/mainText"

android:text="My list" />

<ListView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@+id/mainText"

android:id="@android:id/list"

android:background="#aaaaaa" />

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@+id/mainText"

android:id="@android:id/empty"

android:text="There is no data"

android:textStyle="bold" />

</RelativeLayout>

OUTCOME.

3) Add Row Layout

3.1)res/layout/row_layout.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical" >

<TextView

android:id="@+id/listText"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:padding="10dp"

android:textSize="18sp"

android:textStyle="bold"

android:textColor="#ff00ff" />

</LinearLayout>

OUTCOME.

4) Add Action Bar

4.1) AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.notarazi.mylistactivitywithlayout1" >

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:supportsRtl="true"

android:theme="@style/AppTheme" >

<activity android:name=".MainActivity"

android:theme="@android:style/Theme.Holo.Light.DarkActionBar"

android:label="ListView_Activity_Label">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

OUTCOME.

5) Add Action Menu

5.1) Add Menu Resource

res/menu/menu_main.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools" tools:context=".MainActivity">

<item android:id="@+id/action_settings" android:title="settings"

android:orderInCategory="100" app:showAsAction="never" />

</menu>

5.1) MainActivity.Java

package com.notarazi.mylistactivitywithlayout1;

import android.app.ListActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.ArrayAdapter;

import android.widget.TextView;

import java.util.ArrayList;

public class MainActivity extends ListActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

setListWithLayout();

}

private void setListWithLayout() {

ArrayList listValues = new ArrayList<String>();

listValues.add("Android");

listValues.add("iOS");

listValues.add("Symbian");

listValues.add("Blackberry");

listValues.add("Windows Phone");

// initiate the listadapter

ArrayAdapter<String> myAdapter = new ArrayAdapter<String>(this, R.layout.row_layout, R.id.listText, listValues);

// assign the list adapter

setListAdapter(myAdapter);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.menu_main, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

//noinspection SimplifiableIfStatement

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

OUTCOME.

6) Add List Click Response

6.1) MainActivity.Java

package com.notarazi.mylistactivitywithlayout1;

import android.app.ListActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.ArrayAdapter;

import android.widget.ListView;

import android.widget.TextView;

import java.util.ArrayList;

public class MainActivity extends ListActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

setListWithLayout();

}

private void setListWithLayout() {

ArrayList listValues = new ArrayList<String>();

listValues.add("Android");

listValues.add("iOS");

listValues.add("Symbian");

listValues.add("Blackberry");

listValues.add("Windows Phone");

// initiate the listadapter

ArrayAdapter<String> myAdapter = new ArrayAdapter<String>(this, R.layout.row_layout, R.id.listText, listValues);

// assign the list adapter

setListAdapter(myAdapter);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.menu_main, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

//noinspection SimplifiableIfStatement

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

@Override

protected void onListItemClick(ListView list, View view, int position, long id) {

super.onListItemClick(list, view, position, id);

String selectedItem = (String) getListView().getItemAtPosition(position);

//String selectedItem = (String) getListAdapter().getItem(position);

TextView text = (TextView) findViewById(R.id.mainText);

text.setText("You clicked " + selectedItem + " at position " + position);

}

OUTCOME.

DOWNLOAD

MyListActivityWithLayout1.zip

REFERENCES

http://examples.javacodegeeks.com/android/core/app/listactivity/android-listactivity-example/

http://androidexample.com/Create_Listview_With_ListActivity_-_Android_Example/index.php?view=article_discription&aid=66&aaid=91