import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

public class BootReceiver extends BroadcastReceiver {

public void onReceive(Context context, Intent intent) {


if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED"))
{
Log.d("BootReceiver", "system boot completed");
Intent newIntent = new Intent(context, FirstRun.class);
newIntent.setAction("android.intent.action.MAIN"); //MyActivity action defined in AndroidManifest.xml

newIntent.addCategory("android.intent.category.LAUNCHER");//MyActivity category defined in AndroidManifest.xml

newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); //If activity is not launched in Activity environment, this flag is mandatory to set

context.startActivity(newIntent);

//if you want to start a service, follow below method:


/*******************************************************

Intent service = new Intent(yourService.ACTION_START);
service.setClass(context, yourService.class);
context.startService(service);

我改成：

Intent i = new Intent(AutoRun.class.getName());
i.setClass(context, AutoRun.class);

context.startService(i);

******************************************************/
}
}
}

import android.app.Activity;
import android.os.Bundle;

public class FirstRun extends Activity {

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}

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

<application android:icon="@drawable/icon" android:label="@string/app_name">
<receiver android:name=".BootReceiver"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</receiver>
<activity android:name=".FirstRun">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="3" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"></uses-permission>
</manifest>