#207 - Dual SIM support

commit c3dc3ada558c466be5115cd7ddbf9651a229c217
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Sat Jun 2 02:54:06 2018 -0400

    Dual SIM support for QK Reply

commit 48688dd4720bd1b3abc049d365e208e1dfe5ccb8
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Sat Jun 2 00:37:08 2018 -0400

    #1172 - Load all recipients and subId from threadId when sending message from notification reply bar

commit 0b7195fb134c0a9f2a6b551176c6c25a26bf5838
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Fri Jun 1 23:43:30 2018 -0400

    Fix missing subId for RetrySending params

commit 0d3ec43c0e60bab4acc293947ea9f6d2228c1b19
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Fri Jun 1 23:27:56 2018 -0400

    Switch to appropriate SIM when new message is received

commit 1ae883af890104cf1da9e970571371c95666db66
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Fri Jun 1 23:07:16 2018 -0400

    Fix message grouping for incoming messages

commit 2bf7b2d99ddbfdcafff873f305180d6d38c37d65
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Fri Jun 1 22:56:31 2018 -0400

    Correctly assign subId for incoming SMS

commit 1f6028f8921320358a3053a2dbc2c6e05410964b
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Fri Jun 1 20:52:01 2018 -0400

    Abstract SubscriptionManager usage behind SubscriptionUtils

commit 8b18f16271f19a42800c737cfbd867365c4aa781
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Fri Jun 1 20:05:52 2018 -0400

    Store subId when receiving SMS

commit f0e4ffdf15eb54d8ef78adfe244943ef4cb95d4e
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Fri Jun 1 19:52:40 2018 -0400

    Use appropriate SIM card based on last message

commit b7893d69891e4fb61755b0733a5fab561e86bbf3
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Thu May 31 00:20:42 2018 -0400

    Fix crash when device doesn't support multi-sim

commit bb038068129227e931167976628e1a535efb09a0
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Wed May 30 23:54:14 2018 -0400

    Show sim indicator when subId changes in conversation

commit 952f15f7ebfb85a03feef51373ef30568b76d5eb
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Wed May 30 22:13:57 2018 -0400

    Send message from selected SIM

commit 4cfab7ca9ec9bd9c7ce82b3eb5f228cf511a7c7b
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Wed May 30 21:46:01 2018 -0400

    Fix filename for ActiveSubscriptionObservable

commit 720cb79cb4fbfb98b10e169f2fea84be02fd2f91
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Wed May 30 20:35:30 2018 -0400

    Allow cycling through inserted sims

commit fa95980e9bc8e8c01dab7b4b8e4ed3a1c9a0f0b0
Author: Moez Bhatti <moez.bhatti@gmail.com>
Date:   Wed May 30 18:26:44 2018 -0400

    Show sim card slot in compose bar

data/src/main/java/util/ActiveSubscriptionObservable.kt

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2017 Moez Bhatti <moez.bhatti@gmail.com>
+ *
+ * This file is part of QKSMS.
+ *
+ * QKSMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QKSMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QKSMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package util
+
+import android.telephony.SubscriptionInfo
+import android.telephony.SubscriptionManager
+import io.reactivex.Observable
+import io.reactivex.Observer
+import io.reactivex.disposables.Disposable
+
+class ActiveSubscriptionObservable(private val subscriptionManager: SubscriptionManager) : Observable<List<SubscriptionInfo>>() {
+
+    override fun subscribeActual(observer: Observer<in List<SubscriptionInfo>>) {
+        observer.onNext(subscriptionManager.activeSubscriptionInfoList ?: listOf())
+
+        val listener = Listener(subscriptionManager, observer)
+        observer.onSubscribe(listener)
+        subscriptionManager.addOnSubscriptionsChangedListener(listener)
+    }
+
+    internal class Listener(
+            private val subscriptionManager: SubscriptionManager,
+            private val observer: Observer<in List<SubscriptionInfo>>
+    ) : Disposable, SubscriptionManager.OnSubscriptionsChangedListener() {
+
+        private var disposed: Boolean = false
+
+        override fun onSubscriptionsChanged() {
+            if (!isDisposed) {
+                observer.onNext(subscriptionManager.activeSubscriptionInfoList ?: listOf())
+            }
+        }
+
+        override fun isDisposed(): Boolean = disposed
+
+        override fun dispose() {
+            disposed = true
+            subscriptionManager.removeOnSubscriptionsChangedListener(this)
+        }
+
+    }
+
+}

data/src/main/java/util/SubscriptionUtilsImpl.kt

@@ -0,0 +1,23 @@
+package util
+
+import android.content.Context
+import android.telephony.PhoneNumberUtils
+import android.telephony.SubscriptionInfo
+import android.telephony.SubscriptionManager
+import io.reactivex.Observable
+import javax.inject.Inject
+
+class SubscriptionUtilsImpl @Inject constructor(context: Context) : SubscriptionUtils {
+
+    private val subscriptionManager = SubscriptionManager.from(context)
+
+    override val subscriptions: List<SubscriptionInfo>
+        get() = subscriptionManager.activeSubscriptionInfoList ?: listOf()
+
+    override val subscriptionsObservable: Observable<List<SubscriptionInfo>> = ActiveSubscriptionObservable(subscriptionManager)
+
+    override fun getSubIdForAddress(address: String): Int {
+        return subscriptions.firstOrNull { PhoneNumberUtils.compare(it.number, address) }?.subscriptionId ?: -1
+    }
+
+}