Android注册登录实时自动获取短信验证码

public class SMSReceiver extends BroadcastReceiver{ 
private String verifyCode=""; 
public static final String TAG = "SMSReceiver"; 
public static final String SMS_RECEIVED_ACTION = "android.provider.Telephony.SMS_RECEIVED"; 
@Override 
public void onReceive(Context context, Intent intent){ 
if (intent.getAction().equals(SMS_RECEIVED_ACTION)){ 
SmsMessage[] messages = getMessagesFromIntent(intent); 
for (SmsMessage message : messages){ 
Log.i(TAG, message.getOriginatingAddress() + " : " + 
message.getDisplayOriginatingAddress() + " : " + 
message.getDisplayMessageBody() + " : " + 
message.getTimestampMillis()); 
String smsContent=message.getDisplayMessageBody(); 
Log.i(TAG, smsContent); 
writeFile(smsContent);//将短信内容写入SD卡 
} 
} 
} 

public final SmsMessage[] getMessagesFromIntent(Intent intent){ 
Object[] messages = (Object[]) intent.getSerializableExtra("pdus"); 
byte[][] pduObjs = new byte[messages.length][]; 
for (int i = 0; i < messages.length; i++) 
{ 
pduObjs[i] = (byte[]) messages[i]; 
} 
byte[][] pdus = new byte[pduObjs.length][]; 
int pduCount = pdus.length; 
SmsMessage[] msgs = new SmsMessage[pduCount]; 
for (int i = 0; i < pduCount; i++) { 
pdus[i] = pduObjs[i]; 
msgs[i] = SmsMessage.createFromPdu(pdus[i]); 
} 
return msgs; 
} 
//将短信内容写到SD卡上的文件里，便于将文件pull到PC，这样可方便其它如WWW/WAP平台的自动化 
@SuppressLint("SdCardPath") 
public void writeFile(String str){ 
String filePath="/mnt/sdcard/verifyCode.txt"; 
byte [] bytes = str.getBytes(); 
try{ 
File file=new File(filePath); 
file.createNewFile(); 
FileOutputStream fos=new FileOutputStream(file); 
fos.write(bytes); 
fos.close(); 
}catch(IOException e){ 
e.printStackTrace(); 
} 
} 

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; 
}

<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"/>