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POUSSD service not working
 

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    <p>I'm trying to develop an application which silently dismiss the USSD responses. I've used the code from <a href="http://commandus.com/blog/?p=58">http://commandus.com/blog/?p=58</a> with minor changes. I've created the <code>IExtendedNetworkService.aidl</code> in the package <code>com.android.internal.telephony</code> and <code>USSDDumbExtendedNetworkService</code> inside the package <code>com.commandus.ussd</code>. The problem is, nothing happens after running the application (even after restarting the phone). Can someone point out what am I doing wrong? Should I write any additional code for making it work?</p> <p>IExtendedNetworkService.aidl</p> <pre><code>package com.android.internal.telephony; /** * Interface used to interact with extended MMI/USSD network service. */ interface IExtendedNetworkService { /** * Set a MMI/USSD command to ExtendedNetworkService for further process. * This should be called when a MMI command is placed from panel. * @param number the dialed MMI/USSD number. */ void setMmiString(String number); /** * return the specific string which is used to prompt MMI/USSD is running */ CharSequence getMmiRunningText(); /** * Get specific message which should be displayed on pop-up dialog. * @param text original MMI/USSD message response from framework * @return specific user message correspond to text. null stands for no pop-up dialog need to show. */ CharSequence getUserMessage(CharSequence text); /** * Clear timeout message and pre-set MMI/USSD command * This should be called when user cancel a pre-dialed MMI command. */ void clearMmiString(); } </code></pre> <p>USSDDumbExtendedNetworkService</p> <pre><code> package com.commandus.ussd; import android.app.Service; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.Uri; import android.os.IBinder; import android.os.PatternMatcher; import android.os.RemoteException; import android.util.Log; import com.android.internal.telephony.IExtendedNetworkService; /** * Service implements IExtendedNetworkService interface. * USSDDumbExtendedNetworkService Service must have name * "com.android.ussd.IExtendedNetworkService" of the intent declared in the * Android manifest file so com.android.phone.PhoneUtils class bind to this * service after system rebooted. Please note service is loaded after system * reboot! Your application must check is system rebooted. * * @see Util#syslogHasLine(String, String, String, boolean) */ public class USSDDumbExtendedNetworkService extends Service { public static final String TAG = "MobileServices"; public static final String LOG_STAMP = "*USSDTestExtendedNetworkService bind successfully*"; public static final String URI_SCHEME = "ussd"; public static final String URI_AUTHORITY = "g_el.net"; public static final String URI_PATH = "/"; public static final String URI_PAR = "return"; public static final String URI_PARON = "on"; public static final String URI_PAROFF = "off"; public static final String MAGIC_ON = ":ON;)"; public static final String MAGIC_OFF = ":OFF;("; public static final String MAGIC_RETVAL = ":RETVAL;("; private static boolean mActive = false; private static CharSequence mRetVal = null; private Context mContext = null; private String msgUssdRunning = "G Testing..."; final BroadcastReceiver mReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (Intent.ACTION_INSERT.equals(intent.getAction())) { mContext = context; if (mContext != null) { msgUssdRunning = "ussd blocker Running"; mActive = true; Log.d(TAG, "activate"); } } else if (Intent.ACTION_DELETE.equals(intent.getAction())) { mContext = null; mActive = false; Log.d(TAG, "deactivate"); } } }; private final IExtendedNetworkService.Stub mBinder = new IExtendedNetworkService.Stub() { @Override public void setMmiString(String number) throws RemoteException { Log.d(TAG, "setMmiString: " + number); } @Override public CharSequence getMmiRunningText() throws RemoteException { Log.d(TAG, "getMmiRunningText: " + msgUssdRunning); return msgUssdRunning; } @Override public CharSequence getUserMessage(CharSequence text) throws RemoteException { if (MAGIC_ON.contentEquals(text)) { mActive = true; Log.d(TAG, "control: ON"); return text; } else { if (MAGIC_OFF.contentEquals(text)) { mActive = false; Log.d(TAG, "control: OFF"); return text; } else { if (MAGIC_RETVAL.contentEquals(text)) { mActive = false; Log.d(TAG, "control: return"); return mRetVal; } } } if (!mActive) { Log.d(TAG, "getUserMessage deactivated: " + text); //return null;//Use this in order to cancel the output on the screen. return text; } String s = text.toString(); // store s to the ! Uri uri = new Uri.Builder().scheme(URI_SCHEME).authority(URI_AUTHORITY).path(URI_PATH).appendQueryParameter(URI_PAR,text.toString()).build(); sendBroadcast(new Intent(Intent.ACTION_GET_CONTENT, uri)); mActive = false; mRetVal = text; Log.d(TAG, "getUserMessage: " + text + "=" + s); return null; } @Override public void clearMmiString() throws RemoteException { Log.d(TAG, "clearMmiString"); } }; /** * Put stamp to the system log when PhoneUtils bind to the service after * Android has rebooted. Application must call * {@link Util#syslogHasLine(String, String, String, boolean)} to check is * phone rebooted or no. Without reboot phone application does not bind tom * this service! */ @Override public IBinder onBind(Intent intent) { IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_INSERT); filter.addAction(Intent.ACTION_DELETE); filter.addDataScheme(URI_SCHEME); filter.addDataAuthority(URI_AUTHORITY, null); filter.addDataPath(URI_PATH, PatternMatcher.PATTERN_LITERAL); registerReceiver(mReceiver, filter); // Do not localize! Log.i(TAG, LOG_STAMP); return mBinder; } public IBinder asBinder() { Log.d(TAG, "asBinder"); return mBinder; } @Override public boolean onUnbind(Intent intent) { unregisterReceiver(mReceiver); return super.onUnbind(intent); } } </code></pre> <p>Manifest file</p> <pre><code>&lt;service android:name="com.commandus.ussd.USSDDumbExtendedNetworkService"&gt; &lt;intent-filter &gt; &lt;action android:name="com.android.ussd.IExtendedNetworkService" /&gt; &lt;category android:name="android.intent.category.DEFAULT" /&gt; &lt;/intent-filter&gt; &lt;/service&gt; </code></pre>
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