发送短信.jpg

1.sendTextMessage

frameworks\base\telephony\java\android\telephony\SmsManager.java

public void sendTextMessage(String destinationAddress, String scAddress, String text,PendingIntent sentIntent, PendingIntent deliveryIntent) {
  sendTextMessageInternal(destinationAddress, scAddress, text, sentIntent, deliveryIntent,true /* persistMessage*/);
}

2.sendTextMessageInternal

frameworks\base\telephony\java\android\telephony\SmsManager.java

private void sendTextMessageInternal(String destinationAddress, String scAddress,
            String text, PendingIntent sentIntent, PendingIntent deliveryIntent,
            boolean persistMessage) {
        if (TextUtils.isEmpty(destinationAddress)) {
            throw new IllegalArgumentException("Invalid destinationAddress");
        }

        if (TextUtils.isEmpty(text)) {
            throw new IllegalArgumentException("Invalid message body");
        }

        try {
            ISms iccISms = getISmsServiceOrThrow();
            iccISms.sendTextForSubscriber(getSubscriptionId(), ActivityThread.currentPackageName(),
                    destinationAddress,
                    scAddress, text, sentIntent, deliveryIntent,
                    persistMessage);
        } catch (RemoteException ex) {
            // ignore it
        }
}

3.sendTextForSubscriber

frameworks\opt\telephony\src\java\com\android\internal\telephony\UiccSmsController.java

public void sendTextForSubscriber(int subId, String callingPackage, String destAddr,
            String scAddr, String text, PendingIntent sentIntent, PendingIntent deliveryIntent,
            boolean persistMessageForNonDefaultSmsApp) {
        IccSmsInterfaceManager iccSmsIntMgr = getIccSmsInterfaceManager(subId);
        if (iccSmsIntMgr != null) {
            iccSmsIntMgr.sendText(callingPackage, destAddr, scAddr, text, sentIntent,
                    deliveryIntent, persistMessageForNonDefaultSmsApp);
        } else {
            Rlog.e(LOG_TAG,"sendTextForSubscriber iccSmsIntMgr is null for" +
                          " Subscription: " + subId);
            sendErrorInPendingIntent(sentIntent, SmsManager.RESULT_ERROR_GENERIC_FAILURE);
        }
}

4.sendText

frameworks\opt\telephony\src\java\com\android\internal\telephony\IccSmsInterfaceManager.java

public void sendText(String callingPackage, String destAddr, String scAddr,
            String text, PendingIntent sentIntent, PendingIntent deliveryIntent,
            boolean persistMessageForNonDefaultSmsApp) {
        mPhone.getContext().enforceCallingPermission(
                Manifest.permission.SEND_SMS,
                "Sending SMS message");
        sendTextInternal(callingPackage, destAddr, scAddr, text, sentIntent, deliveryIntent,
            persistMessageForNonDefaultSmsApp);
}

5.sendTextInternal

frameworks\opt\telephony\src\java\com\android\internal\telephony\IccSmsInterfaceManager.java

private void sendTextInternal(String callingPackage, String destAddr, String scAddr,
            String text, PendingIntent sentIntent, PendingIntent deliveryIntent,
            boolean persistMessageForNonDefaultSmsApp) {
        
        if (mAppOps.noteOp(AppOpsManager.OP_SEND_SMS, Binder.getCallingUid(),
                callingPackage) != AppOpsManager.MODE_ALLOWED) {
            return;
        }
        if (!persistMessageForNonDefaultSmsApp) {
            enforcePrivilegedAppPermissions();
        }
        destAddr = filterDestAddress(destAddr);
        mDispatcher.sendText(destAddr, scAddr, text, sentIntent, deliveryIntent,
                null/*messageUri*/, callingPackage, persistMessageForNonDefaultSmsApp);
}

6.sendText

frameworks\opt\telephony\src\java\com\android\internal\telephony\ImsSMSDispatcher.java

public void sendText(String destAddr, String scAddr, String text, PendingIntent sentIntent,
            PendingIntent deliveryIntent, Uri messageUri, String callingPkg,
            boolean persistMessage) {
        Rlog.d(TAG, "sendText");
        if (isCdmaMo()) {
            mCdmaDispatcher.sendText(destAddr, scAddr,
                    text, sentIntent, deliveryIntent, messageUri, callingPkg, persistMessage);
        } else {
            mGsmDispatcher.sendText(destAddr, scAddr,
                    text, sentIntent, deliveryIntent, messageUri, callingPkg, persistMessage);
        }
}