Eclipse Mobile Mousw Manual do Utilizador descarregar pdf (Página 15)

src folder

Includes the package for the sample application, namely

com.msi.ibmtutorial

R.java

The Android Developer Tools create this file automatically and represents the

constants needed to access various resources of the Android application. More

on the relationship between the R class and resources is found below.

SaySomething.java

Implementation of the application's primary activity class.

Referenced libraries

Contains android.jar, which is the Android runtime class jar file, found in the

Android SDK.

res folder

Contains the resources for the application, including:

• Icons

• Layout files

• Strings

AndriodManifest.xml

Deployment descriptor of the sample application.

Next, we'll examine the source code in further detail.

The primary activity of the application

The sample application consists of a single activity, namely SaySomething. As

described above, the SaySomething class is implemented in the file

SaySomething.java.

Listing 4. SaySomething.java

package com.msi.ibmtutorial;

import android.app.Activity;

import android.os.Bundle;

public class SaySomething extends Activity

{

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle icicle)

{

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