Support new fields in SoftApInfo

mobile/src/main/java/be/mygod/vpnhotspot/util/UnblockCentral.kt

@@ -0,0 +1,32 @@
+package be.mygod.vpnhotspot.util
+
+import android.annotation.SuppressLint
+import androidx.annotation.RequiresApi
+import timber.log.Timber
+
+/**
+ * The central object for accessing all the useful blocked APIs. Thanks Google!
+ */
+@SuppressLint("DiscouragedPrivateApi")
+@Suppress("FunctionName")
+object UnblockCentral {
+    /**
+     * Retrieve this property before doing dangerous shit.
+     */
+    @get:RequiresApi(28)
+    private val init by lazy {
+        try {
+            Class.forName("dalvik.system.VMDebug").getDeclaredMethod("allowHiddenApiReflectionFrom", Class::class.java)
+                .invoke(null, UnblockCentral::class.java)
+            true
+        } catch (e: ReflectiveOperationException) {
+            Timber.w(e)
+            false
+        }
+    }
+
+    @RequiresApi(31)
+    fun SoftApInfo_getApInstanceIdentifier(clazz: Class<*>) = init.let {
+        clazz.getDeclaredMethod("getApInstanceIdentifier")
+    }
+}

mobile/src/main/java/be/mygod/vpnhotspot/util/Utils.kt

@@ -126,6 +126,15 @@ fun CharSequence.format(locale: Locale, vararg args: Any) = SpannableStringBuild
     }
 }
 
+fun <T> Iterable<T>.joinToSpanned(separator: CharSequence = ", ", prefix: CharSequence = "", postfix: CharSequence = "",
+                                  limit: Int = -1, truncated: CharSequence = "...",
+                                  transform: ((T) -> CharSequence)? = null) =
+    joinTo(SpannableStringBuilder(), separator, prefix, postfix, limit, truncated, transform)
+fun <T> Sequence<T>.joinToSpanned(separator: CharSequence = ", ", prefix: CharSequence = "", postfix: CharSequence = "",
+                                  limit: Int = -1, truncated: CharSequence = "...",
+                                  transform: ((T) -> CharSequence)? = null) =
+    joinTo(SpannableStringBuilder(), separator, prefix, postfix, limit, truncated, transform)
+
 fun makeIpSpan(ip: InetAddress) = ip.hostAddress.let {
     // exclude all bogon IP addresses supported by Android APIs
     if (!app.hasTouch || ip.isMulticastAddress || ip.isAnyLocalAddress || ip.isLoopbackAddress ||