我正在尝试创建一个应用程序,用于监视接收到的短信消息,并通过接收到的短信启动程序,同时它应该读取短信内容。
工作流程:
- 短信发送到Android设备
- 自执行的应用程序
- 读取短信信息
我正在尝试创建一个应用程序,用于监视接收到的短信消息,并通过接收到的短信启动程序,同时它应该读取短信内容。
工作流程:
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:在你的清单文件中添加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" />
SMS_RECEIVED
广播,并且现在该广播无法被取消,比以前的版本更加确定。 - Mike M.请注意,在某些设备上,如果意图过滤器中没有android:priority="1000",则您的代码可能无法正常工作:
请注意,在某些设备上,如果意图过滤器中没有android:priority="1000",则您的代码可能无法正常工作:
<receiver android:name=".listener.SmsListener">
<intent-filter android:priority="1000">
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
以下是一些优化措施:
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:
值必须是整数,例如 "100"。较高的数字具有较高的优先级。默认值为 0。该值必须大于-1000并且小于1000。
@Mike M.和我发现了一个已接受答案的问题(请参见我们的评论):
基本上,如果我们没有每次连接多部分消息,则没有必要通过for循环进行操作:
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();
}
msgBody
设置为消息相应部分的字符串值,而不管我们现在处于哪个索引位置,这使得遍历不同部分的短信消息的整个过程变得毫无用处,因为它最终只会被设置为最后一个索引值。相反,我们应该使用 +=
,或者像 Mike 指出的那样,使用 StringBuilder
: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
}
如果有其他人也有同样的困惑,我会在这里提供答案。
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");
}
}
}
如果有人像我一样参考如何在Xamarin Android上执行相同的功能(使用接收到的短信读取OTP),则可以按照以下步骤:
Add this code to your AndroidManifest.xml file :
<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" />
Then create your BroadcastReveiver class in your Android Project.
[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]);
}
}
}
}
}
}
Register this BroadcastReceiver class in your MainActivity class on Android Project:
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"));
}
}
如果您想在已打开的活动中处理意图,可以使用PendintIntent(请按以下完整步骤操作):
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) {
}
}
}
清单文件:
<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" />
Kotlin
版本:<uses-permission android:name="android.permission.RECEIVE_SMS" />
<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BroadcastReceiver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) {
}
}
}
}
}
mLastTimeReceived = System.currentTimeMillis()
。最近一段时间以来,如果你不是默认的短信应用程序,几乎不可能发布一个带有android.permission.RECEIVE_SMS权限的应用。Google提供了一个新的工具来捕获短信 ==> 使用SMS Retriever API进行自动短信验证
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
}
}
<receiver android:name=".listener.SmsListener">
<intent-filter>
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
<uses-permission android:name="android.permission.RECEIVE_SMS" />