拿到短信的发来者电话号码

/**
* 从bundle中获取发送短信的电话号码
* @param bundle
* @return
*/
public static String getNumberFromBundle(Bundle bundle){
String number = "";
Object[] pdus = (Object[]) bundle.get("pdus");
SmsMessage sm = SmsMessage.createFromPdu((byte[]) pdus[0]);
number = sm.getOriginatingAddress();
return number;
}