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SmsApplication.javaAPI DocAndroid 5.1 API33783Thu Mar 12 22:22:54 GMT 2015com.android.internal.telephony

SmsApplication

public final class SmsApplication extends Object
Class for managing the primary application that we will deliver SMS/MMS messages to {@hide}

Fields Summary
static final String
LOG_TAG
private static final String
PHONE_PACKAGE_NAME
private static final String
BLUETOOTH_PACKAGE_NAME
private static final String
MMS_SERVICE_PACKAGE_NAME
private static final String
SCHEME_SMS
private static final String
SCHEME_SMSTO
private static final String
SCHEME_MMS
private static final String
SCHEME_MMSTO
private static final boolean
DEBUG_MULTIUSER
private static SmsPackageMonitor
sSmsPackageMonitor
Constructors Summary
Methods Summary
private static voidconfigurePreferredActivity(android.content.pm.PackageManager packageManager, android.content.ComponentName componentName, int userId)

        // Add the four activity preferences we want to direct to this app.
        replacePreferredActivity(packageManager, componentName, userId, SCHEME_SMS);
        replacePreferredActivity(packageManager, componentName, userId, SCHEME_SMSTO);
        replacePreferredActivity(packageManager, componentName, userId, SCHEME_MMS);
        replacePreferredActivity(packageManager, componentName, userId, SCHEME_MMSTO);
private static com.android.internal.telephony.SmsApplication$SmsApplicationDatagetApplication(android.content.Context context, boolean updateIfNeeded, int userId)
Get the application we will use for delivering SMS/MMS messages. We return the preferred sms application with the following order of preference: (1) User selected SMS app (if selected, and if still valid) (2) Android Messaging (if installed) (3) The currently configured highest priority broadcast receiver (4) Null

        TelephonyManager tm = (TelephonyManager)
                context.getSystemService(Context.TELEPHONY_SERVICE);
        if (!tm.isSmsCapable()) {
            // No phone, no SMS
            return null;
        }

        Collection<SmsApplicationData> applications = getApplicationCollectionInternal(context,
                userId);
        if (DEBUG_MULTIUSER) {
            Log.i(LOG_TAG, "getApplication userId=" + userId);
        }
        // Determine which application receives the broadcast
        String defaultApplication = Settings.Secure.getStringForUser(context.getContentResolver(),
                Settings.Secure.SMS_DEFAULT_APPLICATION, userId);
        if (DEBUG_MULTIUSER) {
            Log.i(LOG_TAG, "getApplication defaultApp=" + defaultApplication);
        }

        SmsApplicationData applicationData = null;
        if (defaultApplication != null) {
            applicationData = getApplicationForPackage(applications, defaultApplication);
        }
        if (DEBUG_MULTIUSER) {
            Log.i(LOG_TAG, "getApplication appData=" + applicationData);
        }
        // Picking a new SMS app requires AppOps and Settings.Secure permissions, so we only do
        // this if the caller asked us to.
        if (updateIfNeeded && applicationData == null) {
            // Try to find the default SMS package for this device
            Resources r = context.getResources();
            String defaultPackage =
                    r.getString(com.android.internal.R.string.default_sms_application);
            applicationData = getApplicationForPackage(applications, defaultPackage);

            if (applicationData == null) {
                // Are there any applications?
                if (applications.size() != 0) {
                    applicationData = (SmsApplicationData)applications.toArray()[0];
                }
            }

            // If we found a new default app, update the setting
            if (applicationData != null) {
                setDefaultApplicationInternal(applicationData.mPackageName, context, userId);
            }
        }

        // If we found a package, make sure AppOps permissions are set up correctly
        if (applicationData != null) {
            AppOpsManager appOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);

            // We can only call checkOp if we are privileged (updateIfNeeded) or if the app we
            // are checking is for our current uid. Doing this check from the unprivileged current
            // SMS app allows us to tell the current SMS app that it is not in a good state and
            // needs to ask to be the current SMS app again to work properly.
            if (updateIfNeeded || applicationData.mUid == android.os.Process.myUid()) {
                // Verify that the SMS app has permissions
                int mode = appOps.checkOp(AppOpsManager.OP_WRITE_SMS, applicationData.mUid,
                        applicationData.mPackageName);
                if (mode != AppOpsManager.MODE_ALLOWED) {
                    Rlog.e(LOG_TAG, applicationData.mPackageName + " lost OP_WRITE_SMS: " +
                            (updateIfNeeded ? " (fixing)" : " (no permission to fix)"));
                    if (updateIfNeeded) {
                        appOps.setMode(AppOpsManager.OP_WRITE_SMS, applicationData.mUid,
                                applicationData.mPackageName, AppOpsManager.MODE_ALLOWED);
                    } else {
                        // We can not return a package if permissions are not set up correctly
                        applicationData = null;
                    }
                }
            }

            // We can only verify the phone and BT app's permissions from a privileged caller
            if (updateIfNeeded) {
                // Ensure this component is still configured as the preferred activity. Usually the
                // current SMS app will already be the preferred activity - but checking whether or
                // not this is true is just as expensive as reconfiguring the preferred activity so
                // we just reconfigure every time.
                PackageManager packageManager = context.getPackageManager();
                configurePreferredActivity(packageManager, new ComponentName(
                        applicationData.mPackageName, applicationData.mSendToClass),
                        userId);
                // Verify that the phone, BT app and MmsService have permissions
                try {
                    PackageInfo info = packageManager.getPackageInfo(PHONE_PACKAGE_NAME, 0);
                    int mode = appOps.checkOp(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                            PHONE_PACKAGE_NAME);
                    if (mode != AppOpsManager.MODE_ALLOWED) {
                        Rlog.e(LOG_TAG, PHONE_PACKAGE_NAME + " lost OP_WRITE_SMS:  (fixing)");
                        appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                                PHONE_PACKAGE_NAME, AppOpsManager.MODE_ALLOWED);
                    }
                } catch (NameNotFoundException e) {
                    // No phone app on this device (unexpected, even for non-phone devices)
                    Rlog.e(LOG_TAG, "Phone package not found: " + PHONE_PACKAGE_NAME);
                    applicationData = null;
                }

                try {
                    PackageInfo info = packageManager.getPackageInfo(BLUETOOTH_PACKAGE_NAME, 0);
                    int mode = appOps.checkOp(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                            BLUETOOTH_PACKAGE_NAME);
                    if (mode != AppOpsManager.MODE_ALLOWED) {
                        Rlog.e(LOG_TAG, BLUETOOTH_PACKAGE_NAME + " lost OP_WRITE_SMS:  (fixing)");
                        appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                                BLUETOOTH_PACKAGE_NAME, AppOpsManager.MODE_ALLOWED);
                    }
                } catch (NameNotFoundException e) {
                    // No BT app on this device
                    Rlog.e(LOG_TAG, "Bluetooth package not found: " + BLUETOOTH_PACKAGE_NAME);
                }

                try {
                    PackageInfo info = packageManager.getPackageInfo(MMS_SERVICE_PACKAGE_NAME, 0);
                    int mode = appOps.checkOp(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                            MMS_SERVICE_PACKAGE_NAME);
                    if (mode != AppOpsManager.MODE_ALLOWED) {
                        Rlog.e(LOG_TAG, MMS_SERVICE_PACKAGE_NAME + " lost OP_WRITE_SMS:  (fixing)");
                        appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                                MMS_SERVICE_PACKAGE_NAME, AppOpsManager.MODE_ALLOWED);
                    }
                } catch (NameNotFoundException e) {
                    // No phone app on this device (unexpected, even for non-phone devices)
                    Rlog.e(LOG_TAG, "MmsService package not found: " + MMS_SERVICE_PACKAGE_NAME);
                    applicationData = null;
                }

            }
        }
        if (DEBUG_MULTIUSER) {
            Log.i(LOG_TAG, "getApplication returning appData=" + applicationData);
        }
        return applicationData;
public static java.util.CollectiongetApplicationCollection(android.content.Context context)
Returns the list of available SMS apps defined as apps that are registered for both the SMS_RECEIVED_ACTION (SMS) and WAP_PUSH_RECEIVED_ACTION (MMS) broadcasts (and their broadcast receivers are enabled) Requirements to be an SMS application: Implement SMS_DELIVER_ACTION broadcast receiver. Require BROADCAST_SMS permission. Implement WAP_PUSH_DELIVER_ACTION broadcast receiver. Require BROADCAST_WAP_PUSH permission. Implement RESPOND_VIA_MESSAGE intent. Support smsto Uri scheme. Require SEND_RESPOND_VIA_MESSAGE permission. Implement ACTION_SENDTO intent. Support smsto Uri scheme.

        int userId = getIncomingUserId(context);
        final long token = Binder.clearCallingIdentity();
        try {
            return getApplicationCollectionInternal(context, userId);
        } finally {
            Binder.restoreCallingIdentity(token);
        }
private static java.util.CollectiongetApplicationCollectionInternal(android.content.Context context, int userId)

        PackageManager packageManager = context.getPackageManager();

        // Get the list of apps registered for SMS
        Intent intent = new Intent(Intents.SMS_DELIVER_ACTION);
        List<ResolveInfo> smsReceivers = packageManager.queryBroadcastReceivers(intent, 0,
                userId);

        HashMap<String, SmsApplicationData> receivers = new HashMap<String, SmsApplicationData>();

        // Add one entry to the map for every sms receiver (ignoring duplicate sms receivers)
        for (ResolveInfo resolveInfo : smsReceivers) {
            final ActivityInfo activityInfo = resolveInfo.activityInfo;
            if (activityInfo == null) {
                continue;
            }
            if (!permission.BROADCAST_SMS.equals(activityInfo.permission)) {
                continue;
            }
            final String packageName = activityInfo.packageName;
            if (!receivers.containsKey(packageName)) {
                final String applicationName = resolveInfo.loadLabel(packageManager).toString();
                final SmsApplicationData smsApplicationData = new SmsApplicationData(
                        applicationName, packageName, activityInfo.applicationInfo.uid);
                smsApplicationData.mSmsReceiverClass = activityInfo.name;
                receivers.put(packageName, smsApplicationData);
            }
        }

        // Update any existing entries with mms receiver class
        intent = new Intent(Intents.WAP_PUSH_DELIVER_ACTION);
        intent.setDataAndType(null, "application/vnd.wap.mms-message");
        List<ResolveInfo> mmsReceivers = packageManager.queryBroadcastReceivers(intent, 0,
                userId);
        for (ResolveInfo resolveInfo : mmsReceivers) {
            final ActivityInfo activityInfo = resolveInfo.activityInfo;
            if (activityInfo == null) {
                continue;
            }
            if (!permission.BROADCAST_WAP_PUSH.equals(activityInfo.permission)) {
                continue;
            }
            final String packageName = activityInfo.packageName;
            final SmsApplicationData smsApplicationData = receivers.get(packageName);
            if (smsApplicationData != null) {
                smsApplicationData.mMmsReceiverClass = activityInfo.name;
            }
        }

        // Update any existing entries with respond via message intent class.
        intent = new Intent(TelephonyManager.ACTION_RESPOND_VIA_MESSAGE,
                Uri.fromParts(SCHEME_SMSTO, "", null));
        List<ResolveInfo> respondServices = packageManager.queryIntentServicesAsUser(intent, 0,
                userId);
        for (ResolveInfo resolveInfo : respondServices) {
            final ServiceInfo serviceInfo = resolveInfo.serviceInfo;
            if (serviceInfo == null) {
                continue;
            }
            if (!permission.SEND_RESPOND_VIA_MESSAGE.equals(serviceInfo.permission)) {
                continue;
            }
            final String packageName = serviceInfo.packageName;
            final SmsApplicationData smsApplicationData = receivers.get(packageName);
            if (smsApplicationData != null) {
                smsApplicationData.mRespondViaMessageClass = serviceInfo.name;
            }
        }

        // Update any existing entries with supports send to.
        intent = new Intent(Intent.ACTION_SENDTO,
                Uri.fromParts(SCHEME_SMSTO, "", null));
        List<ResolveInfo> sendToActivities = packageManager.queryIntentActivitiesAsUser(intent, 0,
                userId);
        for (ResolveInfo resolveInfo : sendToActivities) {
            final ActivityInfo activityInfo = resolveInfo.activityInfo;
            if (activityInfo == null) {
                continue;
            }
            final String packageName = activityInfo.packageName;
            final SmsApplicationData smsApplicationData = receivers.get(packageName);
            if (smsApplicationData != null) {
                smsApplicationData.mSendToClass = activityInfo.name;
            }
        }

        // Remove any entries for which we did not find all required intents.
        for (ResolveInfo resolveInfo : smsReceivers) {
            final ActivityInfo activityInfo = resolveInfo.activityInfo;
            if (activityInfo == null) {
                continue;
            }
            final String packageName = activityInfo.packageName;
            final SmsApplicationData smsApplicationData = receivers.get(packageName);
            if (smsApplicationData != null) {
                if (!smsApplicationData.isComplete()) {
                    receivers.remove(packageName);
                }
            }
        }
        return receivers.values();
private static com.android.internal.telephony.SmsApplication$SmsApplicationDatagetApplicationForPackage(java.util.Collection applications, java.lang.String packageName)
Checks to see if we have a valid installed SMS application for the specified package name

return
Data for the specified package name or null if there isn't one

        if (packageName == null) {
            return null;
        }
        // Is there an entry in the application list for the specified package?
        for (SmsApplicationData application : applications) {
            if (application.mPackageName.contentEquals(packageName)) {
                return application;
            }
        }
        return null;
public static android.content.ComponentNamegetDefaultMmsApplication(android.content.Context context, boolean updateIfNeeded)
Gets the default MMS application

param
context context from the calling app
param
updateIfNeeded update the default app if there is no valid default app configured.
return
component name of the app and class to deliver MMS messages to

        int userId = getIncomingUserId(context);
        final long token = Binder.clearCallingIdentity();
        try {
            ComponentName component = null;
            SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded,
                    userId);
            if (smsApplicationData != null) {
                component = new ComponentName(smsApplicationData.mPackageName,
                        smsApplicationData.mMmsReceiverClass);
            }
            return component;
        } finally {
            Binder.restoreCallingIdentity(token);
        }
public static android.content.ComponentNamegetDefaultRespondViaMessageApplication(android.content.Context context, boolean updateIfNeeded)
Gets the default Respond Via Message application

param
context context from the calling app
param
updateIfNeeded update the default app if there is no valid default app configured.
return
component name of the app and class to direct Respond Via Message intent to

        int userId = getIncomingUserId(context);
        final long token = Binder.clearCallingIdentity();
        try {
            ComponentName component = null;
            SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded,
                    userId);
            if (smsApplicationData != null) {
                component = new ComponentName(smsApplicationData.mPackageName,
                        smsApplicationData.mRespondViaMessageClass);
            }
            return component;
        } finally {
            Binder.restoreCallingIdentity(token);
        }
public static android.content.ComponentNamegetDefaultSendToApplication(android.content.Context context, boolean updateIfNeeded)
Gets the default Send To (smsto) application.

Caller must pass in the correct user context if calling from a singleton service.

param
context context from the calling app
param
updateIfNeeded update the default app if there is no valid default app configured.
return
component name of the app and class to direct SEND_TO (smsto) intent to

        int userId = getIncomingUserId(context);
        final long token = Binder.clearCallingIdentity();
        try {
            ComponentName component = null;
            SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded,
                    userId);
            if (smsApplicationData != null) {
                component = new ComponentName(smsApplicationData.mPackageName,
                        smsApplicationData.mSendToClass);
            }
            return component;
        } finally {
            Binder.restoreCallingIdentity(token);
        }
public static android.content.ComponentNamegetDefaultSmsApplication(android.content.Context context, boolean updateIfNeeded)
Gets the default SMS application

param
context context from the calling app
param
updateIfNeeded update the default app if there is no valid default app configured.
return
component name of the app and class to deliver SMS messages to

        int userId = getIncomingUserId(context);
        final long token = Binder.clearCallingIdentity();
        try {
            ComponentName component = null;
            SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded,
                    userId);
            if (smsApplicationData != null) {
                component = new ComponentName(smsApplicationData.mPackageName,
                        smsApplicationData.mSmsReceiverClass);
            }
            return component;
        } finally {
            Binder.restoreCallingIdentity(token);
        }
private static intgetIncomingUserId(android.content.Context context)
Returns the userId of the Context object, if called from a system app, otherwise it returns the caller's userId

param
context The context object passed in by the caller.
return

        int contextUserId = context.getUserId();
        final int callingUid = Binder.getCallingUid();
        if (DEBUG_MULTIUSER) {
            Log.i(LOG_TAG, "getIncomingUserHandle caller=" + callingUid + ", myuid="
                    + android.os.Process.myUid() + "\n\t" + Debug.getCallers(4));
        }
        if (UserHandle.getAppId(callingUid)
                < android.os.Process.FIRST_APPLICATION_UID) {
            return contextUserId;
        } else {
            return UserHandle.getUserId(callingUid);
        }
public static com.android.internal.telephony.SmsApplication$SmsApplicationDatagetSmsApplicationData(java.lang.String packageName, android.content.Context context)
Returns SmsApplicationData for this package if this package is capable of being set as the default SMS application.

        Collection<SmsApplicationData> applications = getApplicationCollection(context);
        return getApplicationForPackage(applications, packageName);
public static voidinitSmsPackageMonitor(android.content.Context context)

        sSmsPackageMonitor = new SmsPackageMonitor(context);
        sSmsPackageMonitor.register(context, context.getMainLooper(), UserHandle.ALL, false);
private static voidreplacePreferredActivity(android.content.pm.PackageManager packageManager, android.content.ComponentName componentName, int userId, java.lang.String scheme)
Updates the ACTION_SENDTO activity to the specified component for the specified scheme.

        // Build the set of existing activities that handle this scheme
        Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts(scheme, "", null));
        List<ResolveInfo> resolveInfoList = packageManager.queryIntentActivitiesAsUser(
                intent, PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_RESOLVED_FILTER,
                userId);

        // Build the set of ComponentNames for these activities
        final int n = resolveInfoList.size();
        ComponentName[] set = new ComponentName[n];
        for (int i = 0; i < n; i++) {
            ResolveInfo info = resolveInfoList.get(i);
            set[i] = new ComponentName(info.activityInfo.packageName, info.activityInfo.name);
        }

        // Update the preferred SENDTO activity for the specified scheme
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(Intent.ACTION_SENDTO);
        intentFilter.addCategory(Intent.CATEGORY_DEFAULT);
        intentFilter.addDataScheme(scheme);
        packageManager.replacePreferredActivityAsUser(intentFilter,
                IntentFilter.MATCH_CATEGORY_SCHEME + IntentFilter.MATCH_ADJUSTMENT_NORMAL,
                set, componentName, userId);
public static voidsetDefaultApplication(java.lang.String packageName, android.content.Context context)
Sets the specified package as the default SMS/MMS application. The caller of this method needs to have permission to set AppOps and write to secure settings.

        TelephonyManager tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
        if (!tm.isSmsCapable()) {
            // No phone, no SMS
            return;
        }

        final int userId = getIncomingUserId(context);
        final long token = Binder.clearCallingIdentity();
        try {
            setDefaultApplicationInternal(packageName, context, userId);
        } finally {
            Binder.restoreCallingIdentity(token);
        }
private static voidsetDefaultApplicationInternal(java.lang.String packageName, android.content.Context context, int userId)

        // Get old package name
        String oldPackageName = Settings.Secure.getStringForUser(context.getContentResolver(),
                Settings.Secure.SMS_DEFAULT_APPLICATION, userId);

        if (packageName != null && oldPackageName != null && packageName.equals(oldPackageName)) {
            // No change
            return;
        }

        // We only make the change if the new package is valid
        PackageManager packageManager = context.getPackageManager();
        Collection<SmsApplicationData> applications = getApplicationCollection(context);
        SmsApplicationData applicationData = getApplicationForPackage(applications, packageName);
        if (applicationData != null) {
            // Ignore OP_WRITE_SMS for the previously configured default SMS app.
            AppOpsManager appOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
            if (oldPackageName != null) {
                try {
                    PackageInfo info = packageManager.getPackageInfo(oldPackageName,
                            PackageManager.GET_UNINSTALLED_PACKAGES);
                    appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                            oldPackageName, AppOpsManager.MODE_IGNORED);
                } catch (NameNotFoundException e) {
                    Rlog.w(LOG_TAG, "Old SMS package not found: " + oldPackageName);
                }
            }

            // Update the secure setting.
            Settings.Secure.putStringForUser(context.getContentResolver(),
                    Settings.Secure.SMS_DEFAULT_APPLICATION, applicationData.mPackageName,
                    userId);

            // Configure this as the preferred activity for SENDTO sms/mms intents
            configurePreferredActivity(packageManager, new ComponentName(
                    applicationData.mPackageName, applicationData.mSendToClass), userId);

            // Allow OP_WRITE_SMS for the newly configured default SMS app.
            appOps.setMode(AppOpsManager.OP_WRITE_SMS, applicationData.mUid,
                    applicationData.mPackageName, AppOpsManager.MODE_ALLOWED);

            // Phone needs to always have this permission to write to the sms database
            try {
                PackageInfo info = packageManager.getPackageInfo(PHONE_PACKAGE_NAME, 0);
                appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                        PHONE_PACKAGE_NAME, AppOpsManager.MODE_ALLOWED);
            } catch (NameNotFoundException e) {
                // No phone app on this device (unexpected, even for non-phone devices)
                Rlog.e(LOG_TAG, "Phone package not found: " + PHONE_PACKAGE_NAME);
            }

            // BT needs to always have this permission to write to the sms database
            try {
                PackageInfo info = packageManager.getPackageInfo(BLUETOOTH_PACKAGE_NAME, 0);
                appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                        BLUETOOTH_PACKAGE_NAME, AppOpsManager.MODE_ALLOWED);
            } catch (NameNotFoundException e) {
                // No BT app on this device
                Rlog.e(LOG_TAG, "Bluetooth package not found: " + BLUETOOTH_PACKAGE_NAME);
            }

            // MmsService needs to always have this permission to write to the sms database
            try {
                PackageInfo info = packageManager.getPackageInfo(MMS_SERVICE_PACKAGE_NAME, 0);
                appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
                        MMS_SERVICE_PACKAGE_NAME, AppOpsManager.MODE_ALLOWED);
            } catch (NameNotFoundException e) {
                // No phone app on this device (unexpected, even for non-phone devices)
                Rlog.e(LOG_TAG, "MmsService package not found: " + MMS_SERVICE_PACKAGE_NAME);
            }
        }
public static booleanshouldWriteMessageForPackage(java.lang.String packageName, android.content.Context context)
Returns whether need to write the SMS message to SMS database for this package.

Caller must pass in the correct user context if calling from a singleton service.

        if (packageName == null) return true;

        if (SmsManager.getDefault().getAutoPersisting()) {
            return true;
        }

        String defaultSmsPackage = null;
        ComponentName component = getDefaultSmsApplication(context, false);
        if (component != null) {
            defaultSmsPackage = component.getPackageName();
        }

        if ((defaultSmsPackage == null || !defaultSmsPackage.equals(packageName)) &&
                !packageName.equals(BLUETOOTH_PACKAGE_NAME)) {
            // To write the message for someone other than the default SMS and BT app
            return true;
        }

        return false;