Android SMS verification automatically get verification code

Android SMS verification automatically get verification code

Permissions:

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

Activity class

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);
Content of SMS
String message = Sms.getmessagebody ();
Short-interest mobile phone number
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);
}

/**
* Match 6 digits in the middle of the SMS (Verification code, etc.)
*
* @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;
}
}

Android SMS verification automatically get verification code