?????????ж????????????????????д??SD???е??????

???????????java????д??????????????????????д?????????????У????????String???????????λ?y?????ɡ?

public String read(String str) throws IOException{
  File file=new File(str);
  FileInputStream fis=new FileInputStream(file);
  StringBuffer sb=new StringBuffer();
 
  BufferedInputStream bis=new BufferedInputStream(fis);
  BufferedReader  read = new BufferedReader (new InputStreamReader(bis));
  int c=0;
  while ((c=read.read())!=-1) {
            sb.append((char) c);
        }
  read.close();
  bis.close();
  fis.close();
  Log.i(TAG?? sb.toString()); 
  String verify=sb.toString(); 
  return verify;
 }

???????????manifest????????????????????

<receiver android:name="com.cplatform.surfdesktop.test.util.SMSReceiver">
<intent-filter>
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
<uses-permission android:name="android.permission.RECEIVE_SMS"></uses-permission>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<uses-permission android:name="android.permission.READ_SMS"/>

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