我正在尝试创建一个用于监控传入 SMS 消息的应用程序，并通过传入 SMS 启动一个程序，它也应该从 SMS 中读取内容。
工作流程：
【问题讨论】：
标签： android sms android-service
public class SmsListener extends BroadcastReceiver{
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")){
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();
String msgBody = msgs[i].getMessageBody();
}
}catch(Exception e){
// Log.d("Exception caught",e.getMessage());
}
}
}
}
}
注意：在清单文件中添加 BroadcastReceiver-
<receiver android:name=".listener.SmsListener">
<intent-filter>
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
添加此权限：
<uses-permission android:name="android.permission.RECEIVE_SMS" />
【讨论】：
SMS_RECEIVED 广播，并且由于该广播无法中止，它比以前的版本更加确定。
请注意，在某些设备上，如果没有意图过滤器中的 android:priority="1000"，您的代码将无法工作：
<receiver android:name=".listener.SmsListener">
<intent-filter android:priority="1000">
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
这里有一些优化：
public class SmsListener extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
if (Telephony.Sms.Intents.SMS_RECEIVED_ACTION.equals(intent.getAction())) {
for (SmsMessage smsMessage : Telephony.Sms.Intents.getMessagesFromIntent(intent)) {
String messageBody = smsMessage.getMessageBody();
}
}
}
}
注意：
该值必须是整数，例如“100”。数字越大优先级越高。默认值为 0。该值必须大于 -1000 且小于 1000。
【讨论】：
android:priority不能高于1000（或低于-1000）。
@Mike M. 我发现接受的答案存在问题（请参阅我们的 cmets）：
基本上，如果我们不每次都连接多部分消息，那么遍历 for 循环是没有意义的：
for (int i = 0; i < msgs.length; i++) {
msgs[i] = SmsMessage.createFromPdu((byte[])pdus[i]);
msg_from = msgs[i].getOriginatingAddress();
String msgBody = msgs[i].getMessageBody();
}
请注意，我们只是将msgBody 设置为消息相应部分的字符串值，无论我们在什么索引上，这使得循环通过 SMS 消息的不同部分的整个点无用，因为它会只需设置为最后一个索引值。相反，我们应该使用+=，或者正如迈克所说，StringBuilder：
总而言之，我的短信接收代码如下所示：
if (myBundle != null) {
Object[] pdus = (Object[]) myBundle.get("pdus"); // pdus is key for SMS in bundle
//Object [] pdus now contains array of bytes
messages = new SmsMessage[pdus.length];
for (int i = 0; i < messages.length; i++) {
messages[i] = SmsMessage.createFromPdu((byte[]) pdus[i]); //Returns one message, in array because multipart message due to sms max char
Message += messages[i].getMessageBody(); // Using +=, because need to add multipart from before also
}
contactNumber = messages[0].getOriginatingAddress(); //This could also be inside the loop, but there is no need
}
只是把这个答案放在那里，以防其他人有同样的困惑。
【讨论】：
这是我用的！
public class SMSListener extends BroadcastReceiver {
// Get the object of SmsManager
final SmsManager sms = SmsManager.getDefault();
String mobile,body;
public void onReceive(Context context, Intent intent) {
// Retrieves a map of extended data from the intent.
final Bundle bundle = intent.getExtras();
try {
if (bundle != null) {
final Object[] pdusObj = (Object[]) bundle.get("pdus");
for (int i = 0; i < pdusObj.length; i++) {
SmsMessage currentMessage = SmsMessage.createFromPdu((byte[]) pdusObj[i]);
String phoneNumber = currentMessage.getDisplayOriginatingAddress();
String senderNum = phoneNumber;
String message = currentMessage.getDisplayMessageBody();
mobile=senderNum.replaceAll("\\s","");
body=message.replaceAll("\\s","+");
Log.i("SmsReceiver", "senderNum: "+ senderNum + "; message: " + body);
// Show Alert
int duration = Toast.LENGTH_LONG;
Toast toast = Toast.makeText(context,
"senderNum: "+ mobile+ ", message: " + message, duration);
toast.show();
} // end for loop
} // bundle is null
} catch (Exception e) {
Log.e("SmsReceiver", "Exception smsReceiver" +e);
}
}
}
【讨论】：
如果有人像我一样提到如何在 Xamarin Android 上执行相同的功能（使用收到的 SMS 读取 OTP）：
将此代码添加到您的 AndroidManifest.xml 文件中：
<receiver android:name=".listener.BroadcastReveiverOTP">
<intent-filter>
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.BROADCAST_SMS" />
<uses-permission android:name="android.permission.READ_SMS" />
然后在您的 Android 项目中创建您的 BroadcastReveiver 类。
[BroadcastReceiver(Enabled = true)] [IntentFilter(new[] { "android.provider.Telephony.SMS_RECEIVED" }, Priority = (int)IntentFilterPriority.HighPriority)]
public class BroadcastReveiverOTP : BroadcastReceiver {
public static readonly string INTENT_ACTION = "android.provider.Telephony.SMS_RECEIVED";
protected string message, address = string.Empty;
public override void OnReceive(Context context, Intent intent)
{
if (intent.HasExtra("pdus"))
{
var smsArray = (Java.Lang.Object[])intent.Extras.Get("pdus");
foreach (var item in smsArray)
{
var sms = SmsMessage.CreateFromPdu((byte[])item);
address = sms.OriginatingAddress;
if (address.Equals("NotifyDEMO"))
{
message = sms.MessageBody;
string[] pin = message.Split(' ');
if (!string.IsNullOrWhiteSpace(pin[0]))
{
// NOTE : Here I'm passing received OTP to Portable Project using MessagingCenter. So I can display the OTP in the relevant entry field.
MessagingCenter.Send<object, string>(this,MessengerKeys.OnBroadcastReceived, pin[0]);
}
}
}
}
}
}
在 Android 项目的 MainActivity 类中注册此 BroadcastReceiver 类：
public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity {
// Initialize your class
private BroadcastReveiverOTP _receiver = new BroadcastReveiverOTP ();
protected override void OnCreate(Bundle bundle) {
base.OnCreate(bundle);
global::Xamarin.Forms.Forms.Init(this, bundle);
LoadApplication(new App());
// Register your receiver : RegisterReceiver(_receiver, new IntentFilter("android.provider.Telephony.SMS_RECEIVED"));
}
}
【讨论】：
接受的答案是正确的，适用于旧版本的 Android，其中 Android 操作系统会在应用安装时请求权限，但是在较新版本的 Android 上，它不能立即工作，因为较新的 Android 操作系统会在应用程序运行时请求权限需要该功能。因此，为了使用已接受答案中提到的技术在较新版本的 Android 上接收 SMS，程序员还必须实现将在运行时检查并请求用户权限的代码。在这种情况下，权限检查功能/代码可以在应用程序的第一个活动的 onCreate() 中实现。只需在您的第一个活动中复制并粘贴以下两个方法，然后在 onCreate() 结束时调用 checkForSmsReceivePermissions() 方法。
void checkForSmsReceivePermissions(){
// Check if App already has permissions for receiving SMS
if(ContextCompat.checkSelfPermission(getBaseContext(), "android.permission.RECEIVE_SMS") == PackageManager.PERMISSION_GRANTED) {
// App has permissions to listen incoming SMS messages
Log.d("adnan", "checkForSmsReceivePermissions: Allowed");
} else {
// App don't have permissions to listen incoming SMS messages
Log.d("adnan", "checkForSmsReceivePermissions: Denied");
// Request permissions from user
ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.RECEIVE_SMS}, 43391);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if(requestCode == 43391){
if(grantResults.length>0 && grantResults[0] == PackageManager.PERMISSION_GRANTED){
Log.d("adnan", "Sms Receive Permissions granted");
} else {
Log.d("adnan", "Sms Receive Permissions denied");
}
}
}
【讨论】：
如果您想处理打开的活动的意图，您可以使用 PendintIntent（完成以下步骤）：
public class SMSReciver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
final Bundle bundle = intent.getExtras();
try {
if (bundle != null) {
final Object[] pdusObj = (Object[]) bundle.get("pdus");
for (int i = 0; i < pdusObj.length; i++) {
SmsMessage currentMessage = SmsMessage.createFromPdu((byte[]) pdusObj[i]);
String phoneNumber = currentMessage.getDisplayOriginatingAddress();
String senderNum = phoneNumber;
String message = currentMessage.getDisplayMessageBody();
try {
if (senderNum.contains("MOB_NUMBER")) {
Toast.makeText(context,"",Toast.LENGTH_SHORT).show();
Intent intentCall = new Intent(context, MainActivity.class);
intentCall.putExtra("message", currentMessage.getMessageBody());
PendingIntent pendingIntent= PendingIntent.getActivity(context, 0, intentCall, PendingIntent.FLAG_UPDATE_CURRENT);
pendingIntent.send();
}
} catch (Exception e) {
}
}
}
} catch (Exception e) {
}
}
}
清单：
<activity android:name=".MainActivity"
android:launchMode="singleTask"/>
<receiver android:name=".SMSReciver">
<intent-filter android:priority="1000">
<action android:name="android.provider.Telephony.SMS_RECEIVED"/>
</intent-filter>
</receiver>
onNewIntent：
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
Toast.makeText(this, "onNewIntent", Toast.LENGTH_SHORT).show();
onSMSReceived(intent.getStringExtra("message"));
}
权限：
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.READ_SMS" />
<uses-permission android:name="android.permission.SEND_SMS" />
【讨论】：
感谢@Vineet Shukla（接受的答案）和@Ruchir Baronia（在接受的答案中找到问题），下面是Kotlin 版本：
添加权限：
<uses-permission android:name="android.permission.RECEIVE_SMS" />
在 AndroidManifest 中注册 BroadcastReceiver：
<receiver
android:name=".receiver.SmsReceiver"
android:enabled="true"
android:exported="true">
<intent-filter android:priority="2332412">
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
添加广播接收器的实现：
class SmsReceiver : BroadcastReceiver() {
private var mLastTimeReceived = System.currentTimeMillis()
override fun onReceive(p0: Context?, intent: Intent?) {
val currentTimeMillis = System.currentTimeMillis()
if (currentTimeMillis - mLastTimeReceived > 200) {
mLastTimeReceived = currentTimeMillis
val pdus: Array<*>
val msgs: Array<SmsMessage?>
var msgFrom: String?
var msgText: String?
val strBuilder = StringBuilder()
intent?.extras?.let {
try {
pdus = it.get("pdus") as Array<*>
msgs = arrayOfNulls(pdus.size)
for (i in msgs.indices) {
msgs[i] = SmsMessage.createFromPdu(pdus[i] as ByteArray)
strBuilder.append(msgs[i]?.messageBody)
}
msgText = strBuilder.toString()
msgFrom = msgs[0]?.originatingAddress
if (!msgFrom.isNullOrBlank() && !msgText.isNullOrBlank()) {
//
// Do some thing here
//
}
} catch (e: Exception) {
}
}
}
}
}
有时事件会触发两次，所以我添加了mLastTimeReceived = System.currentTimeMillis()
【讨论】：
在 Kotlin 上的广播实现：
private class SmsListener : BroadcastReceiver() {
override fun onReceive(context: Context?, intent: Intent?) {
Log.d(TAG, "SMS Received!")
val txt = getTextFromSms(intent?.extras)
Log.d(TAG, "message=" + txt)
}
private fun getTextFromSms(extras: Bundle?): String {
val pdus = extras?.get("pdus") as Array<*>
val format = extras.getString("format")
var txt = ""
for (pdu in pdus) {
val smsmsg = getSmsMsg(pdu as ByteArray?, format)
val submsg = smsmsg?.displayMessageBody
submsg?.let { txt = "$txt$it" }
}
return txt
}
private fun getSmsMsg(pdu: ByteArray?, format: String?): SmsMessage? {
return when {
SDK_INT >= Build.VERSION_CODES.M -> SmsMessage.createFromPdu(pdu, format)
else -> SmsMessage.createFromPdu(pdu)
}
}
companion object {
private val TAG = SmsListener::class.java.simpleName
}
}
注意：在清单文件中添加 BroadcastReceiver-
<receiver android:name=".listener.SmsListener">
<intent-filter>
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
添加此权限：
<uses-permission android:name="android.permission.RECEIVE_SMS" />
【讨论】：
从现在开始，如果您不是默认的短信应用，几乎不可能发布具有 android.permission.RECEIVE_SMS 权限的应用。 Google 提供了一个新的短信捕获工具 ==> Automatic SMS Verification with the SMS Retriever API
【讨论】：