From 13ec8d7a3f0bf41680a2da6cf2f80ebdf2e4c6ec Mon Sep 17 00:00:00 2001
From: Albert Vaca <albertvaka@gmail.com>
Date: Wed, 9 Sep 2015 01:05:11 -0700
Subject: [PATCH] Fixed crash on older Androids

---
 src/org/kde/kdeconnect/Device.java                         | 5 +++--
 src/org/kde/kdeconnect/Helpers/ObjectsHelper.java          | 7 +++++++
 src/org/kde/kdeconnect/UserInterface/PluginPreference.java | 2 +-
 3 files changed, 11 insertions(+), 3 deletions(-)
 create mode 100644 src/org/kde/kdeconnect/Helpers/ObjectsHelper.java

diff --git a/src/org/kde/kdeconnect/Device.java b/src/org/kde/kdeconnect/Device.java
index 5fb1bc87..19c3a234 100644
--- a/src/org/kde/kdeconnect/Device.java
+++ b/src/org/kde/kdeconnect/Device.java
@@ -37,6 +37,7 @@ import android.util.Base64;
 import android.util.Log;
 
 import org.kde.kdeconnect.Backends.BaseLink;
+import org.kde.kdeconnect.Helpers.ObjectsHelper;
 import org.kde.kdeconnect.UserInterface.MaterialActivity;
 import org.kde.kdeconnect.Plugins.Plugin;
 import org.kde.kdeconnect.Plugins.PluginFactory;
@@ -556,8 +557,8 @@ public class Device implements BaseLink.PackageReceiver {
         } else if (NetworkPackage.PACKAGE_TYPE_CAPABILITIES.equals(np.getType())) {
             ArrayList<String> newIncomingCapabilities = np.getStringList("SupportedIncomingInterfaces");
             ArrayList<String> newOutgoingCapabilities = np.getStringList("SupportedOutgoingInterfaces");
-            if (!Objects.equals(newIncomingCapabilities, incomingCapabilities) ||
-                    !Objects.equals(newOutgoingCapabilities, outgoingCapabilities)) {
+            if (!ObjectsHelper.equals(newIncomingCapabilities, incomingCapabilities) ||
+                    !ObjectsHelper.equals(newOutgoingCapabilities, outgoingCapabilities)) {
                 incomingCapabilities = newIncomingCapabilities;
                 outgoingCapabilities = newOutgoingCapabilities;
                 reloadPluginsFromSettings();
diff --git a/src/org/kde/kdeconnect/Helpers/ObjectsHelper.java b/src/org/kde/kdeconnect/Helpers/ObjectsHelper.java
new file mode 100644
index 00000000..efe6f4e7
--- /dev/null
+++ b/src/org/kde/kdeconnect/Helpers/ObjectsHelper.java
@@ -0,0 +1,7 @@
+package org.kde.kdeconnect.Helpers;
+
+public class ObjectsHelper {
+    public static boolean equals(Object a, Object b) {
+        return (a == null) ? (b == null) : a.equals(b);
+    }
+}
diff --git a/src/org/kde/kdeconnect/UserInterface/PluginPreference.java b/src/org/kde/kdeconnect/UserInterface/PluginPreference.java
index 6469187c..6d5a0bd5 100644
--- a/src/org/kde/kdeconnect/UserInterface/PluginPreference.java
+++ b/src/org/kde/kdeconnect/UserInterface/PluginPreference.java
@@ -69,7 +69,7 @@ public class PluginPreference extends CheckBoxPreference {
             @Override
             public void onClick(View v) {
                 boolean newState = !device.isPluginEnabled(pluginKey);
-                setChecked(newState);
+                setChecked(newState); //It actually works on API<14
                 button.setEnabled(newState);
                 device.setPluginEnabled(pluginKey, newState);
             }