Service Example

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=".MainActivity" >

    <Button

        android:id="@+id/button_stop"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/button_start"

        android:layout_below="@+id/button_start"

        android:layout_marginTop="39dp"

        android:text="Stop Service" />

    <Button

        android:id="@+id/button_start"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="40dp"

        android:text="Start Service" />

</RelativeLayout>

MyService.java

package com.swamys.serviceexmple;

import android.app.Service;

import android.content.Intent;

import android.os.IBinder;

import android.widget.Toast;

public class MyService extends Service {

       @Override

       public IBinder onBind(Intent arg0) {

              return null;

       }

       @Override

       public int onStartCommand(Intent intent, int flags, int startId) {

              Toast.makeText(getApplicationContext(), "Service Started",

                           Toast.LENGTH_LONG).show();

              return super.onStartCommand(intent, flags, startId);

       }

       @Override

       public void onDestroy() {

              Toast.makeText(getApplicationContext(), "Service Stoped",

                           Toast.LENGTH_LONG).show();

              super.onDestroy();

       }

}

MainActivity.java

package com.swamys.serviceexmple;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import com.swamys.serviceexmple.R;

public class MainActivity extends Activity implements OnClickListener {

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              Button start = (Button) findViewById(R.id.button_start);

              Button stop = (Button) findViewById(R.id.button_stop);

              start.setOnClickListener(this);

              stop.setOnClickListener(this);

       }

       @Override

       public void onClick(View view) {

              switch (view.getId()) {

              case R.id.button_start:

                     Intent intent = new Intent(getApplicationContext(), MyService.class);

                     startService(intent);

                     break;

              case R.id.button_stop:

                     Intent intent2 = new Intent(getApplicationContext(),

                                  MyService.class);

                     stopService(intent2);

                     break;

              }

       }

}

Manifest.xml

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

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

    package="com.swamys.serviceexmple"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="9"

        android:targetSdkVersion="18" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.swamys.serviceexmple.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <service android:name="com.swamys.serviceexmple.MyService"></service>

    </application>

</manifest>