android 短信验证自动获取验证码

权限：

<uses-permission android:name="android.permission.RECEIVE_SMS" />

activity类

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import android.annotation.SuppressLint;

import android.app.Activity;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.Bundle;

import android.os.Handler;

import android.telephony.SmsMessage;

import android.text.TextUtils;

import android.widget.EditText;

@SuppressLint("HandlerLeak")

public class MainActivity extends Activity {

private BroadcastReceiver smsReceiver;

private IntentFilter filter2;

private Handler handler;

private EditText et;

private String strContent;

private String patternCoder = "(?<!\\d)\\d{6}(?!\\d)";

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

et = (EditText) findViewById(R.id.et);

handler = new Handler() {

public void handleMessage(android.os.Message msg) {

et.setText(strContent);

};

};

filter2 = new IntentFilter();

filter2.addAction("android.provider.Telephony.SMS_RECEIVED");

filter2.setPriority(Integer.MAX_VALUE);

smsReceiver = new BroadcastReceiver() {

@Override

public void onReceive(Context context, Intent intent) {

Object[] objs = (Object[]) intent.getExtras().get("pdus");

for (Object obj : objs) {

byte[] pdu = (byte[]) obj;

SmsMessage sms = SmsMessage.createFromPdu(pdu);

// 短信的内容

String message = sms.getMessageBody();

// 短息的手机号

String from = sms.getOriginatingAddress();

if (!TextUtils.isEmpty(from)) {

String code = patternCode(message);

if (!TextUtils.isEmpty(code)) {

strContent = code;

handler.sendEmptyMessage(1);

}

}

}

}

};

registerReceiver(smsReceiver, filter2);

}

@Override

protected void onDestroy() {

super.onDestroy();

unregisterReceiver(smsReceiver);

}

/**

* 匹配短信中间的6个数字（验证码等）

*

* @param patternContent

* @return

*/

private String patternCode(String patternContent) {

if (TextUtils.isEmpty(patternContent)) {

return null;

}

Pattern p = Pattern.compile(patternCoder);

Matcher matcher = p.matcher(patternContent);

if (matcher.find()) {

return matcher.group();

}

return null;

}

}