Intercepting broadcasts to other applications in Android.

AndroidManifest.xml

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

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

  <application>

    <receiver android:name=".SmsReceivedBroadcastReceiver">
      <!-- A high priority makes sure our BroadCastReceiver is called first. -->
      <intent-filter android:priority="999">
        <action android:name="android.provider.Telephony.SMS_RECEIVED" />
      </intent-filter>
    </receiver>

  </application>

</manifest>

SmsReceivedBroadcastReceiver.java

public final class SmsReceivedBroadcastReceiver extends BroadcastReceiver {

  @Override
  public void onReceive( Context aContext, Intent aIntent ) {
    // Process event.
    Toast.makeText( aContext, "Received SMS", Toast.LENGTH_LONG );

    // Prevent others from receiving broadcast.
    abortBroadcast();
  }

}