Android 应用程序从后台删除后,广播接收器内部服务未侦听

Android 应用程序从后台删除后,广播接收器内部服务未侦听,android,broadcastreceiver,android-service,android-broadcastreceiver,android-sms,Android,Broadcastreceiver,Android Service,Android Broadcastreceiver,Android Sms,我有一个广播接收器注册,以接收服务内的短信。该应用程序的目的是在接收时获取SMS,并将来自预期发件人的SMS内容保存在Sqlite存储中。即使应用程序未在后台运行,应用程序也需要捕获收到的短信 public class SMSService extends Service { private final BroadcastReceiver receiver = new BroadcastReceiver() { public static final String SM

我有一个广播接收器注册,以接收服务内的短信。该应用程序的目的是在接收时获取SMS,并将来自预期发件人的SMS内容保存在Sqlite存储中。即使应用程序未在后台运行,应用程序也需要捕获收到的短信

public class SMSService extends Service {

    private final BroadcastReceiver receiver = new BroadcastReceiver() {
        public static final String SMS_BUNDLE = "pdus";
        ContentValues userValues;
        Object[] sms;

        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (action.equals("android.provider.Telephony.SMS_RECEIVED")) {
                Log.d("~~~ SMS !!!", "~~~ SMS ~~~ SMS ~~~ SMS~~~ SMS ~~~");
                AsyncSmsHandler asyncSmsHandler = new AsyncSmsHandler(context, intent);
                asyncSmsHandler.execute("");
            }
        }


        class AsyncSmsHandler extends AsyncTask<String, Void, String> {

            Context context;
            Intent intent;

            public AsyncSmsHandler(Context context, Intent intent) {
                this.context = context;
                this.intent = intent;
            }

            @Override
            protected String doInBackground(String... params) {

                String smsBody = "", address = "";
                Bundle intentExtras = intent.getExtras();
                SmsMessage smsMessage = null;
                if (intentExtras != null) {
                    sms = (Object[]) intentExtras.get(SMS_BUNDLE);

                    String smsMessageStr = "";
                    for (int i = 0; i < sms.length; ++i) {
                        smsMessage = SmsMessage.createFromPdu((byte[]) sms[i]);
                        smsBody = smsBody + smsMessage.getMessageBody();

                   smsMessageStr += smsBody + "\n";
                    }


                    address = smsMessage.getOriginatingAddress();

                    Log.d("SMS RECEIVER NUMBER", " " + smsBody + " -- " + sms.length);

                    //SAVE THE MESSAGE AND NUMBER

                }
                return "";
            }

            @Override
            protected void onPostExecute(String result) {


                // Create an explicit intent for an Activity in your app
                Intent intent = new Intent(context, AquaOrderList.class);
                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
                PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);

                NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "CHANNEL_ID")
                        .setSmallIcon(R.drawable.logo)
                        .setContentTitle(“TITLE”)
                        .setContentText(“Message”)
                        .setPriority(NotificationCompat.PRIORITY_DEFAULT)
                        .setContentIntent(pendingIntent)
                        .setAutoCancel(true);

                NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);

                // notificationId is a unique int for each notification that you must define
                notificationManager.notify(1, builder.build());
            }

        }
    };

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        return START_STICKY;
    }


    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }

    @Override
    public void onCreate() {
        IntentFilter filter = new IntentFilter();
        filter.addAction("android.provider.Telephony.SMS_RECEIVED");

        registerReceiver(receiver, filter);
    }

    @Override
    public void onDestroy() {
        unregisterReceiver(receiver);
    }
}
公共类SMSService扩展服务{
专用最终BroadcastReceiver=新的BroadcastReceiver(){
公共静态最终字符串SMS_BUNDLE=“PDU”;
ContentValues用户值;
对象[]短信;
@凌驾
公共void onReceive(上下文、意图){
String action=intent.getAction();
if(action.equals(“android.provider.Telephony.SMS_RECEIVED”)){
Log.d(“~~~SMS!!!”,“~~~SMS~~~~~~SMS~~~~~”;
AsyncSmsHandler AsyncSmsHandler=新的AsyncSmsHandler(上下文,意图);
asyncSmsHandler.execute(“”);
}
}
类AsyncSmsHandler扩展AsyncTask{
语境;
意图;
公共AsyncSmsHandler(上下文、意图){
this.context=上下文;
本意=本意;
}
@凌驾
受保护的字符串doInBackground(字符串…参数){
字符串smsBody=“”,address=“”;
Bundle intentExtras=intent.getExtras();
SmsMessage SmsMessage=null;
if(intentExtras!=null){
sms=(对象[])intentExtras.get(sms_BUNDLE);
字符串SMSMessagester=“”;
对于(int i=0;i
通过这种方式,在onCreate中注册接收方,在onDestroy方法中取消注册接收方

这项工作如预期,但当我关闭应用程序后,如果我收到短信,它不会被触发。如果我再次打开应用程序,在手机短信开始储存在存储器中之后

服务被破坏了吗?我在手机上查看了“正在运行的服务”,我可以看到服务正在运行

我还在清单文件中添加了权限

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

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

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <service
            android:name=".SMSService"
            android:enabled="true"
            android:exported="true"></service>

        <activity
            android:name=".OrderList"
            android:configChanges="orientation|keyboardHidden|screenSize"
            android:label="@string/title_activity_order_list"
            android:theme="@style/FullscreenTheme"></activity>
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>

我并不完全同意@Ranjan的评论。是的,服务是免费的
被安卓摧毁并继续运行&是的,运行一个
永久服务。但是如果你一切都做对了,
您的服务被破坏多少次,它就会被启动
再次(自动)启动时,您的接收器应
注册的


我的建议是:

  • 首先,确保您的目标不是最新的SDK。我使用的是targetSDK 10、minSDK 17和compileSDK 26。这可能会对您的服务的处理方式产生影响。使用这些值来检查是否仅此一项就可以工作

  • 接下来,请遵循此线程并尝试正确创建接收器

  • 我不确定你的问题到底是什么,但是我可以告诉你,我们有一个视频会议应用程序,它可以监听来电和消息。所以,当然,广播接收器需要注册,服务应该在后台运行。这个应用程序有点旧,是用targetSDK 10等开发的。所以他们用当时常见的方式来做。我们还没有移植我们的应用程序,所以我们不知道新安卓系统存在什么问题。正如我提到的,我们的应用程序使用SDK26编译


代码示例:

public SampleService() {
    super();
    Log.d(TAG, "SampleService: Constructor");
    final HandlerThread mHandlerThread = new HandlerThread(BR_THREAD_NAME, Process.THREAD_PRIORITY_BACKGROUND);
    mHandlerThread.start();
    bgLooper = mHandlerThread.getLooper();
    mBRHandler = new Handler(bgLooper);
}

@Override
public void onCreate() {
    super.onCreate();
    Log.d(TAG, "onCreate: ");
    registerReceiver();
}

private void registerReceiver() {
    final IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(SOME_ACTION);
    myReceiver = new MyReceiver();
    registerReceiver(myReceiver, intentFilter, null, mBRHandler);
}

这应该足够好了

您必须使用清单声明的接收者,但我没有使用独立的接收者。我正在服务中添加IntentFilter及其操作。当应用程序位于前台时,它就会工作。还有我