短信 转换成 彩信

 

mms/res/values/config.xml
    <!-- configuration for max sms to mms text size -->
    <integer name="config_max_smstomms">10</integer>

 

mms/res/xml/mms_config.xml

    <!-- If true, The text message over 160 characters will be sent in multi part.
         If false, The text message over 160 characters will be sent
         via multi media message. -->
    <bool name="enableMultipartSMS">true</bool>

    <!-- If enableMultipartSMS is true and smsToMmsTextThreshold > 1, then multi-part SMS messages
         will be converted into a single mms message. For example, if the mms_config.xml file
         specifies <int name="smsToMmsTextThreshold">7</int>, then on the 8th sms segment, the
         message will be converted to an mms. -->
    <int name="smsToMmsTextThreshold">-1</int>

 

 

packages/apps/Mms/src/com/android/mms/ui/

ComposeMessageActivity.java

updateCounter(){

int[] params = SmsMessage.calculateLength(text, false);
        Log.d("xxxx","calculateLength:params[0]="+params[0]+" ,params[1]="+params[1]+" ,params[2]="+params[2]+" ,params[3]="+params[3]);
            /* SmsMessage.calculateLength returns an int[4] with:
             *   int[0] being the number of SMS's required,
       &