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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>
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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>
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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>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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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>
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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);
}
}
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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);
}
}
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OUTCOME.
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