检测即将到来的短信消息

3

在我的安卓代码中,我正在尝试检测来电短信消息。以下代码自2年以来一直有效,但现在不起作用了。我错过了哪些更新?

public class SmsListener extends BroadcastReceiver {

    private String msgBody;
    private SharedPreferences preferences;

    @Override
    public void onReceive(Context context, Intent intent) {
        // TODO Auto-generated method stub


        if(intent.getAction().equals("android.provider.Telephony.SMS_RECEIVED")){

            Toast.makeText(context,"message received",Toast.LENGTH_SHORT).show();

            Bundle bundle = intent.getExtras();           //---get the SMS message passed in---
            SmsMessage[] msgs = null;
            String msg_from;
            if (bundle != null){
                //---retrieve the SMS message received---
                try{
                    Object[] pdus = (Object[]) bundle.get("pdus");
                    msgs = new SmsMessage[pdus.length];
                    for(int i=0; i<msgs.length; i++){
                        msgs[i] = SmsMessage.createFromPdu((byte[])pdus[i]);
                        msg_from = msgs[i].getOriginatingAddress();
                        msgBody = msgs[i].getMessageBody();
                        MainActivity.handleMessage(msgBody);
                    }

                    Toast.makeText(context,"message is:"+msgBody,Toast.LENGTH_SHORT).show();
                }catch(Exception e){
                    Log.d("Exception caught",e.getMessage());
                }
            }
        }
    }

在我的主活动中,我正在请求用户许可,并使用以下短信接收器:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);



//Updated///////////////////////////////////////////////////////////////////////////////////
           if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
            requestSmsPermission();
        else {
            smsListener = new SmsListener();
            IntentFilter intentFilter = new IntentFilter();
            intentFilter.addAction("android.provider.Telephony.SMS_RECEIVED");
            registerReceiver(smsListener, intentFilter);
        }

        ///////Updated///////////////////////////////////////////////////////////////////////////////////

    }


private void requestSmsPermission() {
    String permission = Manifest.permission.RECEIVE_SMS;
    int grant = ContextCompat.checkSelfPermission(this, permission);
    if ( grant != PackageManager.PERMISSION_GRANTED) {
        String[] permission_list = new String[1];
        permission_list[0] = permission;
        ActivityCompat.requestPermissions(this, permission_list, 1);

    }
}

  @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == 1) {
            smsListener = new SmsListener();
            IntentFilter intentFilter = new IntentFilter();
            intentFilter.addAction("android.provider.Telephony.SMS_RECEIVED");
            registerReceiver(smsListener, intentFilter);
        }
    }

我的Manifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.zaidalmahmoud.expenseless">

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

    <application
        android:name=".MyApplication"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".GraphActivity"></activity>
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <receiver
            android:name=".SmsListener"
            android:exported="true"
            android:permission="android.permission.BROADCAST_SMS">
            <intent-filter>
                <action android:name="android.provider.Telephony.SMS_RECEIVED" />
            </intent-filter>
        </receiver>

        <activity android:name=".DetailedExpenseActivity" />
    </application>

</manifest>

当我接收到短信时,我的安卓应用程序无法检测到它,但不会崩溃或显示任何内容。为什么?谢谢。

注意: 我不想用验证码来捕获短信。我希望我的应用程序能够捕获所有进入的短信。

2个回答

6

安卓应用需要 SMS 接收/读取权限才能获取短信内容。 谷歌已经推出了 SMS Retriever API,该 API 允许在您的应用程序中检索 OTP,无需使用 SMS 权限。

enter image description here

为 SMS Retriever API 添加这些依赖项

implementation 'com.google.android.gms:play-services-base:16.0.1'
implementation 'com.google.android.gms:play-services-identity:16.0.0'
implementation 'com.google.android.gms:play-services-auth:16.0.1'
implementation 'com.google.android.gms:play-services-auth-api-phone:16.0.0'

然后创建一个如下的接口:

public interface OnNewMessageListener {
    void onNewMessageReceived(String activationCode);
}

然后,创建一个广播接收器来捕获短信:

public class SmsBroadcastReceiver extends BroadcastReceiver {
    OnNewMessageListener onNewMessageListener;

    public SmsBroadcastReceiver() {
    }

    public SmsBroadcastReceiver(OnNewMessageListener onNewMessageListener) {
        this.onNewMessageListener = onNewMessageListener;
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        if (SmsRetriever.SMS_RETRIEVED_ACTION.equals(intent.getAction())) {
            Bundle extras = intent.getExtras();
            if (extras != null) {
                Status status = (Status) extras.get(SmsRetriever.EXTRA_STATUS);

                if (status != null)
                    switch (status.getStatusCode()) {
                        case CommonStatusCodes.SUCCESS:
                            // Get SMS message contents
                            String message = (String) extras.get(SmsRetriever.EXTRA_SMS_MESSAGE);
                            // Extract one-time code from the message and complete verification
                            // by sending the code back to your server.
                            if (!TextUtils.isEmpty(message)) {
                                String activationCode = null;
                                Pattern p = Pattern.compile("your pattern like \\b\\d{4}\\b");
                                Matcher m = p.matcher(message);
                                if (m.find()) {
                                    activationCode = (m.group(0));  // The matched substring
                                }

                                if (onNewMessageListener != null && !TextUtils.isEmpty(activationCode))
                                    onNewMessageListener.onNewMessageReceived(activationCode);
                            }
                            break;
                        case CommonStatusCodes.TIMEOUT:
                            // Waiting for SMS timed out (5 minutes)
                            // Handle the error ...
                            break;
                    }
            }
        }
    }
}

在您的AndroidManifest中声明广播接收器:

        <receiver
            android:name=".SmsBroadcastReceiver"
            android:exported="true"
            tools:ignore="ExportedReceiver">
            <intent-filter>
                <action android:name="com.google.android.gms.auth.api.phone.SMS_RETRIEVED" />
            </intent-filter>
        </receiver>

在您的活动中添加以下代码:
    private SmsBroadcastReceiver smsListener;

     @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    // Get an instance of SmsRetrieverClient, used to start listening for a matching
            // SMS message.
            SmsRetrieverClient client = SmsRetriever.getClient(Objects.requireNonNull(getContext()) /* context */);

            // Starts SmsRetriever, which waits for ONE matching SMS message until timeout
            // (5 minutes). The matching SMS message will be sent via a Broadcast Intent with
            // action SmsRetriever#SMS_RETRIEVED_ACTION.
            Task<Void> task = client.startSmsRetriever();

            // Listen for success/failure of the start Task. If in a background thread, this
            // can be made blocking using Tasks.await(task, [timeout]);
            task.addOnSuccessListener(aVoid -> {
                // Successfully started retriever, expect broadcast intent
                // ...
            });

            task.addOnFailureListener(e -> {
                // Failed to start retriever, inspect Exception for more details
                // ...
            });

            OnNewMessageListener onNewMessageListener = activationCode -> {
                if (!TextUtils.isEmpty(activationCode)) {
                    editText.setText(String.valueOf(activationCode));
                }
            };
            smsListener = new SmsBroadcastReceiver(onNewMessageListener);
            if (getContext() != null)
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                    getContext().registerReceiver(smsListener, new IntentFilter(SmsRetriever.SMS_RETRIEVED_ACTION));
                }
    }

    @Override
    public void onStop() {
        super.onStop();
        try {
            if (getContext() != null && smsListener != null) {
                getContext().unregisterReceiver(smsListener);
                smsListener = null;
            }
        } catch (Exception ignored) {
        }
    }

你的短信应该是这样的:

你的短信应该像这样:

<#> Use 123456 as your verification code 
FC+7qAH5AZu

消息必须:

有关详细信息,请参见此链接

更新

请参见此链接

编辑

将您的活动更改为以下内容:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
            requestSmsPermission();
        else {
            smsListener = new SmsListener();
            IntentFilter intentFilter = new IntentFilter();
            intentFilter.addAction("android.provider.Telephony.SMS_RECEIVED");
            registerReceiver(smsListener, intentFilter);
        }
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    if (requestCode == 1) {
    smsListener= new SmsListener();
    IntentFilter intentFilter=new IntentFilter();
    intentFilter.addAction("android.provider.Telephony.SMS_RECEIVED");
    registerReceiver(smsListener, intentFilter);
    }
}

更新

将您的BroadcastReceiver更改为以下内容:

public class SmsListener extends BroadcastReceiver {

    private String msgBody;
    private SharedPreferences preferences;

    @Override
    public void onReceive(Context context, Intent intent) {
        // TODO Auto-generated method stub


        if (intent.getAction().equals("android.provider.Telephony.SMS_RECEIVED")) {

            Toast.makeText(context, "message received", Toast.LENGTH_SHORT).show();

            Bundle bundle = intent.getExtras();
            try {
                if (bundle != null) {
                    final Object[] pdus = (Object[]) bundle.get("pdus");
                    for (int i = 0; i < pdus.length; i++) {
                        SmsMessage smsMessage;
                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
                            smsMessage = SmsMessage.createFromPdu((byte[]) pdus[i], bundle.getString("format"));
                        else smsMessage = SmsMessage.createFromPdu((byte[]) pdus[i]);

                        msg_from = smsMessage.getDisplayOriginatingAddress();
                        msgBody = smsMessage.getMessageBody();
                        MainActivity.handleMessage(msgBody);
                    }
                    Toast.makeText(context, "message is:" + msgBody, Toast.LENGTH_SHORT).show();
                }
            } catch (Exception e) {
                Log.d("Exception caught", e.getMessage());
            }
        }
    }
}

我很感激你的帮助,但我不想检测带有验证码的短信。我的问题是关于捕获任何短信。事实上,我对完全不同类型的短信很感兴趣。 - Traveling Salesman
谢谢,我尝试重用了一些代码,但是我没有看到我的代码和他的代码之间有太大的区别,并且我的应用程序也没有任何变化。短信没有被检测到。我需要知道我的错误在哪里。 - Traveling Salesman
嗨。我想告诉你它只工作了一次,然后就停止工作了,我不知道为什么。我在最后一次编辑中粘贴了你的代码。 - Traveling Salesman
@TravelingSalesman,我认为你的问题在这里:MainActivity.handleMessage(msgBody); 使用接口来更新或发送数据到主活动。 - Masoud Mokhtari
我没有改变任何东西(除了可能一个toast消息),现在它又可以工作了。我会继续测试它,并让你知道。但我非常怀疑MainActivity.handleMessage(msgBody)中存在问题,因为我已经进行了充分的测试,或者至少现在它可以正常工作而没有任何问题。 - Traveling Salesman
显示剩余2条评论

4

在您的Android清单文件中声明短信读取和接收权限:

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

我们需要一个如下的短信接收器:
class SMSReceiver : BroadcastReceiver() {

override fun onReceive(context: Context, intent: Intent?) {
    if (intent != null && intent.action != null && intent.action!!.equals("android.provider.Telephony.SMS_RECEIVED", ignoreCase = true)) {
        val bundle = intent.extras
        if (bundle != null) {
            val sms = bundle.get(SMS_BUNDLE) as Array<Any>?
            val smsMsg = StringBuilder()

            var smsMessage: SmsMessage
            if (sms != null) {
                for (sm in sms) {
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                        val format = bundle.getString("format")
                        smsMessage = SmsMessage.createFromPdu(sm as ByteArray, format)
                    } else {
                        smsMessage = SmsMessage.createFromPdu(sm as ByteArray)
                    }


                    val msgBody = smsMessage.messageBody.toString()
                    val msgAddress = smsMessage.originatingAddress

                    smsMsg.append("SMS from : ").append(msgAddress).append("\n")
                    smsMsg.append(msgBody).append("\n")
                }

                sendBroadcast(smsMsg.toString())
            }
        }
    }
}

private fun sendBroadcast(smsMSG: String) {
    val broadcastIntent = Intent()
    broadcastIntent.action = AppConstants.mBroadcastSMSUpdateAction
    broadcastIntent.putExtra(AppConstants.message, smsMSG)
    EventBus.getDefault().post(EventIntent(broadcastIntent))
}

companion object {

    val SMS_BUNDLE = "pdus"
}
}

你可以将接收到的短信信息广播到你的MainActivity中。
然后,你需要在你的清单文件中声明SMS广播接收器,如下所示:
  <receiver
        android:name=".SMSReceiver"
        android:enabled="true">
        <intent-filter android:priority="2147483647">
            <category android:name="android.intent.category.DEFAULT" />

            <action android:name="android.provider.Telephony.SMS_RECEIVED" />
        </intent-filter>
    </receiver>

在MainActivity中启动应用程序后,您需要检查短信权限,方法是检查:

Manifest.permission.READ_SMS,
Manifest.permission.RECEIVE_SMS

您可以使用Android内置的权限模块或RxPermission进行操作:

  val rxPermissions = RxPermissions(this)
    rxPermissions.request(
            Manifest.permission.READ_SMS,
            Manifest.permission.RECEIVE_SMS)
            .subscribe(object : Observer<Boolean> {
                override fun onNext(t: Boolean) {
                    if (t) {

                    } else {
                        Toast.makeText(activity, getString(R.string.permission_request_denied), Toast.LENGTH_LONG).show()
                    }
                }
                override fun onSubscribe(d: Disposable) {}
                override fun onError(e: Throwable) {}
                override fun onComplete() {}
            })

你在使用什么语言?这明显不是Java语法。 - Traveling Salesman
@Traveling Salesman Kotlin是用于Android应用程序开发的新语言。 - Raja chakraborty
很遗憾,我正在使用带有Java语法的Android Studio。 - Traveling Salesman

网页内容由stack overflow 提供, 点击上面的
可以查看英文原文,
原文链接