外部apk启动启动另外一个apk

public class TestingBroadcastReceiver extends BroadcastReceiver {      public TestingBroadcastReceiver() {    }        @Override    public void onReceive(Context context, Intent intent) {        if (intent.getAction().equals(SECRET_CODE_ACTION)) {            Intent i = new Intent(Intent.ACTION_MAIN);            i.setClass(context, FactoryTest.class);            i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);            context.startActivity(i);        }    }}

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? ?将广播在androidmanifest.xml上面注册?

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<receiver android:name="TestingBroadcastReceiver">            <intent-filter>                 <action android:name="android.provider.Telephony.SECRET_CODE" />                 <data android:scheme="android_secret_code" android:host="8484" />            </intent-filter> </receiver>