Add note on not using ruffy UI when using AndroidAPS.

app/build.gradle

@@ -31,8 +31,8 @@ def generateVersionName = { ->
 }
 
 android {
-    compileSdkVersion 27
-
+    compileSdkVersion 25
+    buildToolsVersion '26.0.2'
     defaultConfig {
         applicationId "org.monkey.d.ruffy.ruffy"
         minSdkVersion 19
@@ -50,8 +50,12 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:27.1.0'
-    implementation 'com.android.support:design:27.1.0'
-    implementation 'org.apache.commons:commons-lang3:3.7'
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:25.+'
+    compile 'com.android.support:design:25.+'
+    compile 'org.apache.commons:commons-lang3:3.7'
+    testCompile 'junit:junit:4.12'
 }

app/src/main/res/layout/fragment_main.xml

@@ -7,10 +7,16 @@
     android:paddingBottom="@dimen/activity_vertical_margin"
     android:paddingLeft="@dimen/activity_horizontal_margin"
     android:paddingRight="@dimen/activity_horizontal_margin"
-    android:paddingTop="@dimen/activity_vertical_margin"
     tools:context="org.monkey.d.ruffy.ruffy.SetupFragment"
     android:orientation="vertical">
 
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Note that when using AndroidAPS, you can not access the Combo using ruffy. AndroidAPS will start ruffy in the background as needed and needs exclusive access. Please restart your phone before using the Combo with AndroidAPS."
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="5dp"/>
+
     <TextView
         android:id="@+id/main_log"
         style="@style/Base.TextAppearance.AppCompat.Medium.Inverse"

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files