Service Demo in Android

Demo:

ServiceDemo Activity: 

package com.venky.servicedemo;

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;

public class ServiceDemoActivity extends Activity {

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

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.main);

            Button btnStartService = (Button) findViewById(R.id.btnStart);

            Button btnStopService = (Button) findViewById(R.id.btnStop);

            btnStartService.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        // TODO Auto-generated method stub

                        Intent intent1 = new Intent(getApplicationContext(),

                                    MyService.class);

                        startService(intent1);

                  }

            });

            btnStopService.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        // TODO Auto-generated method stub

                        Intent intent2 = new Intent(getApplicationContext(),

                                    MyService.class);

                        stopService(intent2);

                  }

            });

      }

}

2)MyService.java:

 

package com.venky.servicedemo;

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 intent) {

            // TODO Auto-generated method stub

            return null;

      }

      @Override

      public void onStart(Intent intent, int startId) {

            // TODO Auto-generated method stub

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

                        Toast.LENGTH_SHORT).show();

            super.onStart(intent, startId);

      }

      @Override

      public void onDestroy() {

            // TODO Auto-generated method stub

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

                        Toast.LENGTH_SHORT).show();

            super.onDestroy();

      }

}

3)main.xml:

 

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

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

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:background="#5F04B4"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="70dp"

        android:text="Service Demo"

        android:textAppearance="?android:attr/textAppearanceMedium"

        android:textSize="15dp"

        android:textStyle="bold" />

    <LinearLayout

        android:id="@+id/linearLayout1"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="30dp" >

        <Button

            android:id="@+id/btnStart"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="Start Service"

            android:textSize="15dp" />

        <Button

            android:id="@+id/btnStop"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="Stop Service"

            android:textSize="15dp" />

    </LinearLayout>

</LinearLayout>

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