Receiving SMS messages when app is closed

<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />

<application android:hardwareAccelerated="true" android:icon="@drawable/icon" android:label="@string/app_name" android:supportsRtl="true">
    <activity ....>
    ....
    </activity>

    <receiver android:name=".Receiver" android:exported="true" android:enabled="true">
        <intent-filter android:priority="1">
            <action android:name="android.provider.Telephony.SMS_RECEIVED" />
            <action android:name="android.intent.action.BOOT_COMPLETED" />
        </intent-filter>
    </receiver>
</application>

public class Receiver extends BroadcastReceiver
{
    @Override public void onReceive(Context context, Intent intent)
    {
        if(cond)
        {
            abortBroadcast();
            Toast.makeText(context, "Registration Completed", Toast.LENGTH_LONG).show();
        }
    }
}