SAMPLE PROGRAMME ON IMPLICIT SERVICE IN ANDROID

package com.implicitservise;

import android.app.Activity;
import android.content.Context;
import android.media.RingtoneManager;
import android.os.Bundle;
import android.os.Vibrator;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.TextView;

public class ImplicitserviceActivity extends Activity {
    TextView tv;
    String s;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        tv = (TextView) findViewById(R.id.textview1);
    }

    public void cell(View v) {
        TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
        s = tm.getDeviceId().toString();
        tv.setText(s);
    }

    public void vibrat(View v) {
        Vibrator v1 = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
        v1.vibrate(5000);

    }

    public void ring(View v) {
        RingtoneManager rm = (RingtoneManager) getSystemService(Context.RINGTONE_SERVICE);
    }

}
MANIFESTFILE.XML:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.implicitservise"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="10" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".ImplicitserviceActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>