Tidepool in engineering mode only

.travis.yml

@@ -2,19 +2,19 @@ language: android
 jdk: oraclejdk8
 env:
   matrix:
-    - ANDROID_TARGET=android-23 ANDROID_ABI=x86 org.gradle.jvmargs=-XX:-OmitStackTraceInFastThrow
+    - ANDROID_TARGET=android-28 ANDROID_ABI=x86 org.gradle.jvmargs=-XX:-OmitStackTraceInFastThrow
 android:
   components:
   - platform-tools
   - tools
-  - build-tools-27.0.2
+  - build-tools-28.0.3
-  - android-23
+  - android-28
   - extra-google-m2repository
   - extra-android-m2repository
   - extra-google-google_play_services
   
 before_install:
-- yes | sdkmanager "platforms;android-27"
+- yes | sdkmanager "platforms;android-28"
 
 script:
   # Unit Test

app/build.gradle

@@ -6,23 +6,30 @@ buildscript {
 
     dependencies {
         classpath 'io.fabric.tools:gradle:1.+'
-        classpath 'com.dicedmelon.gradle:jacoco-android:0.1.3'
+        classpath 'com.dicedmelon.gradle:jacoco-android:0.1.4'
+        classpath 'de.undercouch:gradle-download-task:3.4.3'
     }
 }
-apply plugin: "com.android.application"
+apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
 apply plugin: 'com.google.gms.google-services'
-apply plugin: "io.fabric"
+apply plugin: 'io.fabric'
-apply plugin: "jacoco-android"
+apply plugin: 'jacoco-android'
 apply plugin: 'com.jakewharton.butterknife'
+apply plugin: 'de.undercouch.download'
+
+
+jacoco {
+    toolVersion = "0.8.3"
+}
 
 ext {
-    supportLibraryVersion = "27.1.1"
+    supportLibraryVersion = "28.0.0"
     ormLiteVersion = "4.46"
     powermockVersion = "1.7.3"
     dexmakerVersion = "1.2"
-    butterknifeVersion = "8.8.1"
+    butterknifeVersion = "10.1.0"
 }
 
 
@@ -97,11 +104,11 @@ tasks.matching { it instanceof Test }.all {
 }
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     defaultConfig {
-        minSdkVersion 21
+        minSdkVersion 23
-        targetSdkVersion 25
+        targetSdkVersion 28
         multiDexEnabled true
         versionCode 1500
         version "2.3.1-tidepool"
@@ -109,7 +116,7 @@ android {
         buildConfigField "String", "BUILDVERSION", '"' + generateGitBuild() + '-' + generateDate() + '"'
         buildConfigField "String", "REMOTE", '"' + generateGitRemote() + '"'
         buildConfigField "String", "HEAD", '"' + generateGitBuild() + '"'
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         // if you change minSdkVersion to less than 11, you need to change executeTask for wear
 
         ndk {
@@ -188,8 +195,15 @@ android {
     }
 
     testOptions {
-        unitTests.returnDefaultValues = true
+        unitTests {
-        unitTests.includeAndroidResources = true
+            returnDefaultValues = true
+            includeAndroidResources = true
+
+            all {
+                maxParallelForks = 10
+                forkEvery = 20
+            }
+        }
     }
 
     useLibrary "org.apache.http.legacy"
@@ -204,29 +218,24 @@ allprojects {
     }
 }
 
-configurations {
-    libs
-}
-
 dependencies {
     wearApp project(':wear')
 
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation 'com.google.android.gms:play-services-wearable:16.0.1'
-    implementation 'com.google.firebase:firebase-core:16.0.8'
+    implementation 'com.google.firebase:firebase-core:16.0.9'
     implementation("com.crashlytics.sdk.android:crashlytics:2.9.9@aar") {
         transitive = true;
     }
-    libs "MilosKozak:danars-support-lib:master@zip"
 
-    implementation "com.android.support:appcompat-v7:${supportLibraryVersion}"
+    implementation 'androidx.appcompat:appcompat:1.0.2'
-    implementation "com.android.support:support-v13:${supportLibraryVersion}"
+    implementation 'androidx.legacy:legacy-support-v13:1.0.0'
-    implementation "com.android.support:support-v4:${supportLibraryVersion}"
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation "com.android.support:cardview-v7:${supportLibraryVersion}"
+    implementation 'androidx.cardview:cardview:1.0.0'
-    implementation "com.android.support:recyclerview-v7:${supportLibraryVersion}"
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
-    implementation "com.android.support:gridlayout-v7:${supportLibraryVersion}"
+    implementation 'androidx.gridlayout:gridlayout:1.0.0'
-    implementation "com.android.support:design:${supportLibraryVersion}"
+    implementation 'com.google.android.material:material:1.0.0'
-    implementation "com.android.support:percent:${supportLibraryVersion}"
+    implementation 'androidx.percentlayout:percentlayout:1.0.0'
     implementation "com.wdullaer:materialdatetimepicker:2.3.0"
 
     // Otto bus will be replaced by rx
@@ -243,7 +252,7 @@ dependencies {
     // Graphview cannot be upgraded
     implementation "com.jjoe64:graphview:4.0.1"
     implementation "com.joanzapata.iconify:android-iconify-fontawesome:2.1.1"
-    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation(name: "android-edittext-validator-v1.3.4-mod", ext: "aar")
     implementation 'com.madgag.spongycastle:core:1.58.0.0'
 
@@ -274,7 +283,7 @@ dependencies {
     testImplementation "org.powermock:powermock-module-junit4:${powermockVersion}"
     testImplementation "joda-time:joda-time:2.9.9"
     testImplementation "com.google.truth:truth:0.39"
-    testImplementation 'org.robolectric:robolectric:3.8'
+    testImplementation 'org.robolectric:robolectric:4.2.1'
     testImplementation "org.skyscreamer:jsonassert:1.5.0"
 
     androidTestImplementation "org.mockito:mockito-core:2.8.47"
@@ -293,16 +302,20 @@ dependencies {
 
 }
 
-task unzip(type: Copy) {
-    def zipPath = configurations.libs.find { it.name.startsWith("danars") }
-    def zipFile = file(zipPath)
-    def outputDir = file("${buildDir}/unpacked/dist")
 
-    from zipTree(zipFile)
+task downloadZipFile(type: Download) {
+    src 'https://github.com/MilosKozak/danars-support-lib/archive/master.zip'
+    dest new File(buildDir, 'danars.zip')
+}
+
+task downloadAndUnzipFile(dependsOn: downloadZipFile, type: Copy) {
+    from zipTree(downloadZipFile.dest)
+    def outputDir = file("${buildDir}/unpacked/dist")
     into outputDir
 }
 
-task copyLibs(dependsOn: unzip, type: Copy) {
+
+task copyLibs(dependsOn: downloadAndUnzipFile, type: Copy) {
     def src = file("${buildDir}/unpacked/dist/danars-support-lib-master")
     def target = file("src/main/jniLibs/")
 

app/src/main/AndroidManifest.xml

@@ -17,10 +17,11 @@
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="com.google.android.permission.PROVIDE_BACKGROUND" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
-    <uses-permission android:name="sugar.free.sightremote.HISTORY_BROADCASTS" />
+    <uses-permission android:name="com.dexcom.cgm.EXTERNAL_PERMISSION" />
 
     <uses-permission-sdk-23 android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 
@@ -34,13 +35,15 @@
         android:label="@string/app_name"
         android:roundIcon="${appIconRound}"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme.NoActionBar">
+        android:theme="@style/AppTheme.NoActionBar"
+        android:fullBackupContent="true">
         <meta-data
             android:name="com.google.android.gms.car.application"
             android:resource="@xml/automotive_app_desc" />
 
         <activity android:name=".MainActivity">
             <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
@@ -85,10 +88,8 @@
                 <action android:name="com.eveningoutpost.dexdrip.NS_EMULATOR"/>
                 <!-- Receiver from glimp -->
                 <action android:name="it.ct.glicemia.ACTION_GLUCOSE_MEASURED"/>
-                <!-- Receiver from DexcomG5 -->
+                <!-- Receiver from Dexcom -->
-                <action android:name="com.dexcom.cgm.DATA"/>
+                <action android:name="com.dexcom.cgm.EXTERNAL_BROADCAST"/>
-                <action android:name="com.dexcom.cgm.AndroidAPSEVGCallback.BROADCAST"/>
-                <action android:name="com.dexcom.cgm.g5.AndroidAPSEVGCallback.BROADCAST"/>
                 <!-- Receiver from Poctech -->
                 <action android:name="com.china.poctech.data"/>
                 <!-- Receiver from Tomato -->
@@ -147,7 +148,7 @@
         </receiver>
 
         <provider
-            android:name="android.support.v4.content.FileProvider"
+            android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.fileprovider"
             android:exported="false"
             android:grantUriPermissions="true">
@@ -281,6 +282,10 @@
             android:name=".plugins.pump.insight.activities.InsightPairingInformationActivity"
             android:label="@string/pairing_information"
             android:theme="@style/AppTheme" />
+        <activity android:name=".activities.RequestDexcomPermissionActivity" />
+
+        <uses-library android:name="org.apache.http.legacy" android:required="false"/>
+
     </application>
 
 </manifest>

app/src/main/java/info/nightscout/androidaps/MainActivity.java

@@ -7,16 +7,16 @@ import android.graphics.Rect;
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.os.PowerManager;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.design.widget.NavigationView;
+import com.google.android.material.navigation.NavigationView;
-import android.support.design.widget.TabLayout;
+import com.google.android.material.tabs.TabLayout;
-import android.support.v4.app.ActivityCompat;
+import androidx.core.app.ActivityCompat;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
-import android.support.v4.widget.DrawerLayout;
+import androidx.drawerlayout.widget.DrawerLayout;
-import android.support.v7.app.ActionBarDrawerToggle;
+import androidx.appcompat.app.ActionBarDrawerToggle;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar;
 import android.text.SpannableString;
 import android.text.method.LinkMovementMethod;
 import android.text.util.Linkify;

app/src/main/java/info/nightscout/androidaps/MainApp.java

@@ -4,9 +4,10 @@ import android.app.Application;
 import android.content.IntentFilter;
 import android.content.res.Resources;
 import android.os.SystemClock;
-import android.support.annotation.Nullable;
+
-import android.support.annotation.PluralsRes;
+import androidx.annotation.Nullable;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.annotation.PluralsRes;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import com.crashlytics.android.Crashlytics;
 import com.google.firebase.analytics.FirebaseAnalytics;
@@ -73,8 +74,7 @@ import info.nightscout.androidaps.plugins.sensitivity.SensitivityAAPSPlugin;
 import info.nightscout.androidaps.plugins.sensitivity.SensitivityOref0Plugin;
 import info.nightscout.androidaps.plugins.sensitivity.SensitivityOref1Plugin;
 import info.nightscout.androidaps.plugins.sensitivity.SensitivityWeightedAveragePlugin;
-import info.nightscout.androidaps.plugins.source.SourceDexcomG5Plugin;
+import info.nightscout.androidaps.plugins.source.SourceDexcomPlugin;
-import info.nightscout.androidaps.plugins.source.SourceDexcomG6Plugin;
 import info.nightscout.androidaps.plugins.source.SourceEversensePlugin;
 import info.nightscout.androidaps.plugins.source.SourceGlimpPlugin;
 import info.nightscout.androidaps.plugins.source.SourceMM640gPlugin;
@@ -193,8 +193,7 @@ public class MainApp extends Application {
             pluginsList.add(SourceNSClientPlugin.getPlugin());
             pluginsList.add(SourceMM640gPlugin.getPlugin());
             pluginsList.add(SourceGlimpPlugin.getPlugin());
-            pluginsList.add(SourceDexcomG5Plugin.getPlugin());
+            pluginsList.add(SourceDexcomPlugin.INSTANCE);
-            pluginsList.add(SourceDexcomG6Plugin.getPlugin());
             pluginsList.add(SourcePoctechPlugin.getPlugin());
             pluginsList.add(SourceTomatoPlugin.getPlugin());
             pluginsList.add(SourceEversensePlugin.getPlugin());
@@ -205,7 +204,8 @@ public class MainApp extends Application {
             pluginsList.add(StatuslinePlugin.initPlugin(this));
             pluginsList.add(PersistentNotificationPlugin.getPlugin());
             pluginsList.add(NSClientPlugin.getPlugin());
-            pluginsList.add(TidepoolPlugin.INSTANCE);
+            if (engineeringMode)
+                pluginsList.add(TidepoolPlugin.INSTANCE);
             pluginsList.add(MaintenancePlugin.initPlugin(this));
 
             pluginsList.add(ConfigBuilderPlugin.getPlugin());

app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.java

@@ -2,9 +2,9 @@ package info.nightscout.androidaps.activities;
 
 import android.os.Bundle;
 import android.os.SystemClock;
-import android.support.v4.content.res.ResourcesCompat;
+import androidx.core.content.res.ResourcesCompat;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.PopupMenu;
+import androidx.appcompat.widget.PopupMenu;
 import android.text.SpannableString;
 import android.text.style.ForegroundColorSpan;
 import android.view.Menu;

app/src/main/java/info/nightscout/androidaps/activities/PreferencesActivity.java

@@ -42,9 +42,9 @@ import info.nightscout.androidaps.plugins.sensitivity.SensitivityOref0Plugin;
 import info.nightscout.androidaps.plugins.sensitivity.SensitivityOref1Plugin;
 import info.nightscout.androidaps.plugins.sensitivity.SensitivityWeightedAveragePlugin;
 import info.nightscout.androidaps.plugins.general.smsCommunicator.SmsCommunicatorPlugin;
-import info.nightscout.androidaps.plugins.source.SourceDexcomG5Plugin;
 import info.nightscout.androidaps.plugins.general.wear.WearPlugin;
 import info.nightscout.androidaps.plugins.general.xdripStatusline.StatuslinePlugin;
+import info.nightscout.androidaps.plugins.source.SourceDexcomPlugin;
 import info.nightscout.androidaps.utils.LocaleHelper;
 import info.nightscout.androidaps.utils.OKDialog;
 import info.nightscout.androidaps.utils.SP;
@@ -148,7 +148,7 @@ public class PreferencesActivity extends PreferenceActivity implements SharedPre
 
                 addPreferencesFromResource(R.xml.pref_overview);
 
-                addPreferencesFromResourceIfEnabled(SourceDexcomG5Plugin.getPlugin(), PluginType.BGSOURCE);
+                addPreferencesFromResourceIfEnabled(SourceDexcomPlugin.INSTANCE, PluginType.BGSOURCE);
                 addPreferencesFromResourceIfEnabled(CareportalPlugin.getPlugin(), PluginType.GENERAL);
                 addPreferencesFromResourceIfEnabled(SafetyPlugin.getPlugin(), PluginType.CONSTRAINTS);
                 if (Config.APS) {

app/src/main/java/info/nightscout/androidaps/activities/RequestDexcomPermissionActivity.kt

@@ -0,0 +1,25 @@
+package info.nightscout.androidaps.activities
+
+import android.os.Build
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import info.nightscout.androidaps.plugins.source.SourceDexcomPlugin
+
+class RequestDexcomPermissionActivity : AppCompatActivity() {
+
+    private val requestCode = "AndroidAPS <3".map { it.toInt() }.sum()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            requestPermissions(arrayOf(SourceDexcomPlugin.PERMISSION), requestCode)
+        } else {
+            finish()
+        }
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        finish()
+    }
+
+}

app/src/main/java/info/nightscout/androidaps/activities/SingleFragmentActivity.java

@@ -2,9 +2,9 @@ package info.nightscout.androidaps.activities;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.Menu;
 import android.view.MenuItem;
 

app/src/main/java/info/nightscout/androidaps/activities/TDDStatsActivity.java

@@ -4,7 +4,7 @@ import android.app.Activity;
 import android.graphics.Color;
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
 import android.text.TextUtils;
 import android.view.KeyEvent;
 import android.view.MotionEvent;

app/src/main/java/info/nightscout/androidaps/data/ConstraintChecker.java

@@ -1,11 +1,9 @@
 package info.nightscout.androidaps.data;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import java.util.ArrayList;
 
-import javax.annotation.Nonnull;
-
 import info.nightscout.androidaps.Constants;
 import info.nightscout.androidaps.MainApp;
 import info.nightscout.androidaps.interfaces.Constraint;

app/src/main/java/info/nightscout/androidaps/data/Intervals.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.data;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.util.LongSparseArray;
+import androidx.collection.LongSparseArray;
 
 import java.util.ArrayList;
 import java.util.List;

app/src/main/java/info/nightscout/androidaps/data/NonOverlappingIntervals.java

@@ -1,10 +1,8 @@
 package info.nightscout.androidaps.data;
 
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.util.LongSparseArray;
 
-import info.nightscout.androidaps.db.TemporaryBasal;
 import info.nightscout.androidaps.interfaces.Interval;
 
 /**

app/src/main/java/info/nightscout/androidaps/data/OverlappingIntervals.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.data;
 
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import info.nightscout.androidaps.interfaces.Interval;
 

app/src/main/java/info/nightscout/androidaps/data/Profile.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.data;
 
-import android.support.v4.util.LongSparseArray;
+import androidx.collection.LongSparseArray;
 
 import org.json.JSONArray;
 import org.json.JSONException;

app/src/main/java/info/nightscout/androidaps/data/ProfileIntervals.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.data;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.util.LongSparseArray;
+import androidx.collection.LongSparseArray;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/data/ProfileStore.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.data;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.util.ArrayMap;
+import androidx.collection.ArrayMap;
 
 import org.json.JSONException;
 import org.json.JSONObject;

app/src/main/java/info/nightscout/androidaps/db/DatabaseHelper.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.db;
 import android.content.Context;
 import android.database.DatabaseUtils;
 import android.database.sqlite.SQLiteDatabase;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper;
 import com.j256.ormlite.dao.CloseableIterator;

app/src/main/java/info/nightscout/androidaps/db/ProfileSwitch.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.db;
 
 import android.graphics.Color;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.j256.ormlite.field.DatabaseField;
 import com.j256.ormlite.table.DatabaseTable;

app/src/main/java/info/nightscout/androidaps/events/EventNewBG.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.events;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import info.nightscout.androidaps.db.BgReading;
 

app/src/main/java/info/nightscout/androidaps/events/EventTreatmentChange.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.events;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import info.nightscout.androidaps.plugins.treatments.Treatment;
 

app/src/main/java/info/nightscout/androidaps/interfaces/PluginBase.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.interfaces;
 
 import android.os.SystemClock;
-import android.support.v4.app.FragmentActivity;
+import androidx.fragment.app.FragmentActivity;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/interfaces/ProfileInterface.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.interfaces;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import info.nightscout.androidaps.data.ProfileStore;
 

app/src/main/java/info/nightscout/androidaps/plugins/aps/loop/LoopPlugin.java

@@ -10,8 +10,8 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
 import android.os.SystemClock;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
 
 import com.squareup.otto.Subscribe;
 

app/src/main/java/info/nightscout/androidaps/plugins/common/SubscriberFragment.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.common;
 
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 
 import butterknife.Unbinder;
 import info.nightscout.androidaps.MainApp;

app/src/main/java/info/nightscout/androidaps/plugins/configBuilder/ConfigBuilderFragment.java

@@ -3,8 +3,8 @@ package info.nightscout.androidaps.plugins.configBuilder;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.StringRes;
+import androidx.annotation.StringRes;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/configBuilder/ConfigBuilderPlugin.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.configBuilder;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/configBuilder/DetailedBolusInfoStorage.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.configBuilder;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/configBuilder/ProfileFunctions.java

@@ -2,7 +2,7 @@ package info.nightscout.androidaps.plugins.configBuilder;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.google.firebase.analytics.FirebaseAnalytics;
 import com.squareup.otto.Subscribe;

app/src/main/java/info/nightscout/androidaps/plugins/constraints/objectives/ObjectivesFragment.java

@@ -4,11 +4,11 @@ import android.app.Activity;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.v7.widget.CardView;
+import androidx.cardview.widget.CardView;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
-import android.support.v7.widget.LinearSmoothScroller;
+import androidx.recyclerview.widget.LinearSmoothScroller;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;

app/src/main/java/info/nightscout/androidaps/plugins/constraints/objectives/objectives/Objective.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.constraints.objectives.objectives;
 
-import android.support.annotation.StringRes;
+import androidx.annotation.StringRes;
 
 import java.util.ArrayList;
 import java.util.Date;

app/src/main/java/info/nightscout/androidaps/plugins/general/actions/ActionsFragment.java

@@ -5,8 +5,8 @@ import android.app.Activity;
 import android.content.Intent;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
-import android.support.v4.app.FragmentManager;
+import androidx.fragment.app.FragmentManager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/actions/dialogs/FillDialog.java

@@ -3,8 +3,8 @@ package info.nightscout.androidaps.plugins.general.actions.dialogs;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.text.Editable;
 import android.text.Html;
 import android.text.TextWatcher;

app/src/main/java/info/nightscout/androidaps/plugins/general/actions/dialogs/NewExtendedBolusDialog.java

@@ -4,8 +4,8 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/actions/dialogs/NewTempBasalDialog.java

@@ -3,8 +3,8 @@ package info.nightscout.androidaps.plugins.general.actions.dialogs;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/careportal/CareportalFragment.java

@@ -4,7 +4,7 @@ package info.nightscout.androidaps.plugins.general.careportal;
 import android.app.Activity;
 import android.graphics.Color;
 import android.os.Bundle;
-import android.support.v4.app.FragmentManager;
+import androidx.fragment.app.FragmentManager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/careportal/Dialogs/NewNSTreatmentDialog.java

@@ -3,8 +3,8 @@ package info.nightscout.androidaps.plugins.general.careportal.Dialogs;
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.text.format.DateFormat;

app/src/main/java/info/nightscout/androidaps/plugins/general/food/FoodFragment.java

@@ -4,9 +4,9 @@ import android.app.Activity;
 import android.content.DialogInterface;
 import android.graphics.Paint;
 import android.os.Bundle;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.LayoutInflater;

app/src/main/java/info/nightscout/androidaps/plugins/general/food/FoodService.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.food;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.IBinder;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.j256.ormlite.android.apptools.OpenHelperManager;
 import com.j256.ormlite.android.apptools.OrmLiteBaseService;

app/src/main/java/info/nightscout/androidaps/plugins/general/maintenance/ImportExportPrefs.java

@@ -8,9 +8,9 @@ import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.os.Environment;
 import android.preference.PreferenceManager;
-import android.support.v4.app.ActivityCompat;
+import androidx.core.app.ActivityCompat;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/general/maintenance/MaintenanceFragment.java

@@ -2,8 +2,8 @@ package info.nightscout.androidaps.plugins.general.maintenance;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/maintenance/MaintenancePlugin.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.maintenance;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/general/maintenance/activities/LogSettingActivity.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.general.maintenance.activities;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.View;
 import android.widget.CheckBox;
 import android.widget.LinearLayout;

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/NSUpload.java

@@ -7,8 +7,8 @@ import android.content.pm.ResolveInfo;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.apache.commons.lang3.StringUtils;
 import org.json.JSONArray;

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastAckAlarm.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import info.nightscout.androidaps.MainApp;
 import info.nightscout.androidaps.R;

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastAlarm.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONObject;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastAnnouncement.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONObject;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastCals.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONArray;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastClearAlarm.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONObject;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastDeviceStatus.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONArray;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastFood.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONArray;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastMbgs.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONArray;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastProfile.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import info.nightscout.androidaps.MainApp;
 import info.nightscout.androidaps.R;

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastSgvs.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONArray;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastStatus.java

@@ -4,7 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastTreatment.java

@@ -2,7 +2,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONArray;
 import org.json.JSONException;

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/broadcasts/BroadcastUrgentAlarm.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.broadcasts;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONObject;
 

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/data/NSSettingsStatus.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.data;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import org.json.JSONException;
 import org.json.JSONObject;

app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/receivers/RestartReceiver.java

@@ -2,7 +2,7 @@ package info.nightscout.androidaps.plugins.general.nsclient.receivers;
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.v4.content.WakefulBroadcastReceiver;
+import androidx.legacy.content.WakefulBroadcastReceiver;
 
 import info.nightscout.androidaps.MainApp;
 import info.nightscout.androidaps.plugins.general.nsclient.events.EventNSClientRestart;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.overview;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.NotificationManager;
-import android.arch.core.util.Function;
+import androidx.arch.core.util.Function;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
@@ -12,14 +12,14 @@ import android.graphics.Color;
 import android.graphics.Paint;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
-import android.support.v4.app.FragmentActivity;
+import androidx.fragment.app.FragmentActivity;
-import android.support.v4.app.FragmentManager;
+import androidx.fragment.app.FragmentManager;
-import android.support.v4.content.res.ResourcesCompat;
+import androidx.core.content.res.ResourcesCompat;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
-import android.support.v7.widget.PopupMenu;
+import androidx.appcompat.widget.PopupMenu;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.SpannableString;
 import android.text.style.ForegroundColorSpan;
 import android.util.DisplayMetrics;
@@ -108,8 +108,7 @@ import info.nightscout.androidaps.plugins.iob.iobCobCalculator.GlucoseStatus;
 import info.nightscout.androidaps.plugins.iob.iobCobCalculator.IobCobCalculatorPlugin;
 import info.nightscout.androidaps.plugins.iob.iobCobCalculator.events.EventAutosensCalculationFinished;
 import info.nightscout.androidaps.plugins.iob.iobCobCalculator.events.EventIobCalculationProgress;
-import info.nightscout.androidaps.plugins.source.SourceDexcomG5Plugin;
+import info.nightscout.androidaps.plugins.source.SourceDexcomPlugin;
-import info.nightscout.androidaps.plugins.source.SourceDexcomG6Plugin;
 import info.nightscout.androidaps.plugins.source.SourceXdripPlugin;
 import info.nightscout.androidaps.plugins.treatments.TreatmentsPlugin;
 import info.nightscout.androidaps.plugins.treatments.fragments.ProfileViewerDialog;
@@ -661,8 +660,7 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
     @Override
     public void onClick(View v) {
         boolean xdrip = SourceXdripPlugin.getPlugin().isEnabled(PluginType.BGSOURCE);
-        boolean g5 = SourceDexcomG5Plugin.getPlugin().isEnabled(PluginType.BGSOURCE);
+        boolean dexcom = SourceDexcomPlugin.INSTANCE.isEnabled(PluginType.BGSOURCE);
-        boolean g6 = SourceDexcomG6Plugin.getPlugin().isEnabled(PluginType.BGSOURCE);
         String units = ProfileFunctions.getInstance().getProfileUnits();
 
         FragmentManager manager = getFragmentManager();
@@ -685,10 +683,16 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
                 if (xdrip) {
                     CalibrationDialog calibrationDialog = new CalibrationDialog();
                     calibrationDialog.show(manager, "CalibrationDialog");
-                } else if (g5 || g6) {
+                } else if (dexcom) {
                     try {
-                        Intent i = new Intent("com.dexcom.cgm.activities.MeterEntryActivity");
+                        String packageName = SourceDexcomPlugin.INSTANCE.findDexcomPackageName();
-                        startActivity(i);
+                        if (packageName != null) {
+                            Intent i = new Intent("com.dexcom.cgm.activities.MeterEntryActivity");
+                            i.setPackage(packageName);
+                            startActivity(i);
+                        } else {
+                            ToastUtils.showToastInUiThread(getActivity(), MainApp.gs(R.string.dexcom_app_not_installed));
+                        }
                     } catch (ActivityNotFoundException e) {
                         ToastUtils.showToastInUiThread(getActivity(), MainApp.gs(R.string.g5appnotdetected));
                     }
@@ -697,14 +701,14 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
             case R.id.overview_cgmbutton:
                 if (xdrip)
                     openCgmApp("com.eveningoutpost.dexdrip");
-                else if (g5 && units.equals(Constants.MGDL))
+                else if (dexcom) {
-                    openCgmApp("com.dexcom.cgm.region5.mgdl");
+                    String packageName = SourceDexcomPlugin.INSTANCE.findDexcomPackageName();
-                else if (g5 && units.equals(Constants.MMOL))
+                    if (packageName != null) {
-                    openCgmApp("com.dexcom.cgm.region5.mmol");
+                        openCgmApp(packageName);
-                else if (g6 && units.equals(Constants.MGDL))
+                    } else {
-                    openCgmApp("com.dexcom.g6.region3.mgdl");
+                        ToastUtils.showToastInUiThread(getActivity(), MainApp.gs(R.string.dexcom_app_not_installed));
-                else if (g6 && units.equals(Constants.MMOL))
+                    }
-                    openCgmApp("com.dexcom.g6.region3.mmol");
+                }
                 break;
             case R.id.overview_treatmentbutton:
                 NewTreatmentDialog treatmentDialogFragment = new NewTreatmentDialog();
@@ -1188,10 +1192,10 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
 
         // **** Calibration & CGM buttons ****
         boolean xDripIsBgSource = MainApp.getSpecificPlugin(SourceXdripPlugin.class) != null && MainApp.getSpecificPlugin(SourceXdripPlugin.class).isEnabled(PluginType.BGSOURCE);
-        boolean g5IsBgSource = MainApp.getSpecificPlugin(SourceDexcomG5Plugin.class) != null && MainApp.getSpecificPlugin(SourceDexcomG5Plugin.class).isEnabled(PluginType.BGSOURCE);
+        boolean dexcomIsSource = SourceDexcomPlugin.INSTANCE.isEnabled(PluginType.BGSOURCE);
         boolean bgAvailable = DatabaseHelper.actualBg() != null;
         if (calibrationButton != null) {
-            if ((xDripIsBgSource || g5IsBgSource) && bgAvailable && SP.getBoolean(R.string.key_show_calibration_button, true)) {
+            if ((xDripIsBgSource || dexcomIsSource) && bgAvailable && SP.getBoolean(R.string.key_show_calibration_button, true)) {
                 calibrationButton.setVisibility(View.VISIBLE);
             } else {
                 calibrationButton.setVisibility(View.GONE);
@@ -1200,7 +1204,7 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
         if (cgmButton != null) {
             if (xDripIsBgSource && SP.getBoolean(R.string.key_show_cgm_button, false)) {
                 cgmButton.setVisibility(View.VISIBLE);
-            } else if (g5IsBgSource && SP.getBoolean(R.string.key_show_cgm_button, false)) {
+            } else if (dexcomIsSource && SP.getBoolean(R.string.key_show_cgm_button, false)) {
                 cgmButton.setVisibility(View.VISIBLE);
             } else {
                 cgmButton.setVisibility(View.GONE);

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/activities/QuickWizardListActivity.java

@@ -2,11 +2,11 @@ package info.nightscout.androidaps.plugins.general.overview.activities;
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.v4.app.FragmentManager;
+import androidx.fragment.app.FragmentManager;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.CardView;
+import androidx.cardview.widget.CardView;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/BolusProgressDialog.java

@@ -4,7 +4,7 @@ package info.nightscout.androidaps.plugins.general.overview.dialogs;
 import android.app.Activity;
 import android.os.Bundle;
 import android.os.SystemClock;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/BolusProgressHelperActivity.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.general.overview.dialogs;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 
 /**
  * Created by adrian on 09/02/17.

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/CalibrationDialog.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.overview.dialogs;
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/EditQuickWizardDialog.java

@@ -2,7 +2,7 @@ package info.nightscout.androidaps.plugins.general.overview.dialogs;
 
 
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/ErrorDialog.java

@@ -2,8 +2,9 @@ package info.nightscout.androidaps.plugins.general.overview.dialogs;
 
 
 import android.content.Intent;
+import android.os.Build;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -98,7 +99,10 @@ public class ErrorDialog extends DialogFragment implements View.OnClickListener
     private void startAlarm() {
         Intent alarm = new Intent(MainApp.instance().getApplicationContext(), AlarmSoundService.class);
         alarm.putExtra("soundid", soundId);
-        MainApp.instance().startService(alarm);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+            MainApp.instance().startForegroundService(alarm);
+        else
+            MainApp.instance().startService(alarm);
     }
 
     private void stopAlarm() {

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/ErrorHelperActivity.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.general.overview.dialogs;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 
 import info.nightscout.androidaps.R;
 import info.nightscout.androidaps.plugins.general.nsclient.NSUpload;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/NewCarbsDialog.java

@@ -2,8 +2,8 @@ package info.nightscout.androidaps.plugins.general.overview.dialogs;
 
 import android.os.Bundle;
 import android.os.HandlerThread;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.text.Editable;
 import android.text.Html;
 import android.text.TextWatcher;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/NewInsulinDialog.java

@@ -4,8 +4,8 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.HandlerThread;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.text.Editable;
 import android.text.Html;
 import android.text.TextWatcher;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/NewTreatmentDialog.java

@@ -4,8 +4,8 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.text.Editable;
 import android.text.Html;
 import android.text.TextWatcher;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/dialogs/WizardDialog.java

@@ -5,8 +5,8 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
+import androidx.fragment.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.text.Editable;
 import android.text.Html;
 import android.text.TextWatcher;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/DismissNotificationService.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.overview.notifications;
 import android.app.IntentService;
 import android.app.PendingIntent;
 import android.content.Intent;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import info.nightscout.androidaps.MainApp;
 import info.nightscout.androidaps.plugins.general.overview.events.EventDismissNotification;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/NotificationRecyclerViewAdapter.java

@@ -1,8 +1,8 @@
 package info.nightscout.androidaps.plugins.general.overview.notifications;
 
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
-import android.support.v7.widget.CardView;
+import androidx.cardview.widget.CardView;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/NotificationStore.java

@@ -11,8 +11,8 @@ import android.media.AudioAttributes;
 import android.media.RingtoneManager;
 import android.net.Uri;
 import android.os.Build;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 import org.slf4j.Logger;
@@ -69,14 +69,20 @@ public class NotificationStore {
             if (usesChannels && n.soundId != null) {
                 Intent alarm = new Intent(MainApp.instance().getApplicationContext(), AlarmSoundService.class);
                 alarm.putExtra("soundid", n.soundId);
-                MainApp.instance().startService(alarm);
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+                    MainApp.instance().startForegroundService(alarm);
+                else
+                    MainApp.instance().startService(alarm);
             }
 
         } else {
             if (n.soundId != null) {
                 Intent alarm = new Intent(MainApp.instance().getApplicationContext(), AlarmSoundService.class);
                 alarm.putExtra("soundid", n.soundId);
-                MainApp.instance().startService(alarm);
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+                    MainApp.instance().startForegroundService(alarm);
+                else
+                    MainApp.instance().startService(alarm);
             }
         }
 

app/src/main/java/info/nightscout/androidaps/plugins/general/persistentNotification/DummyService.java

@@ -4,7 +4,8 @@ import android.app.Notification;
 import android.app.Service;
 import android.content.Intent;
 import android.os.IBinder;
-import android.support.annotation.Nullable;
+
+import androidx.annotation.Nullable;
 
 import com.squareup.otto.Subscribe;
 
@@ -29,9 +30,8 @@ public class DummyService extends Service {
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        Notification notification = PersistentNotificationPlugin.getPlugin().updateNotification();
+        super.onStartCommand(intent, flags, startId);
-        if (notification != null)
+        startForeground(PersistentNotificationPlugin.ONGOING_NOTIFICATION_ID, PersistentNotificationPlugin.getPlugin().updateNotification());
-            startForeground(PersistentNotificationPlugin.ONGOING_NOTIFICATION_ID, notification);
         return START_STICKY;
     }
 
@@ -45,6 +45,11 @@ public class DummyService extends Service {
 
     @Override
     public void onCreate() {
+        super.onCreate();
+        // TODO: I guess this was moved here in order to adhere to the 5 seconds rule to call "startForeground" after a Service was called as Foreground service?
+        // As onCreate() is not called every time a service is started, copied to onStartCommand().
+        Notification notification = PersistentNotificationPlugin.getPlugin().updateNotification();
+        startForeground(PersistentNotificationPlugin.ONGOING_NOTIFICATION_ID, notification);
         MainApp.bus().register(this);
     }
 

app/src/main/java/info/nightscout/androidaps/plugins/general/persistentNotification/PersistentNotificationPlugin.java

@@ -10,17 +10,19 @@ import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.os.Build;
-import android.support.v4.app.NotificationCompat;
+
-import android.support.v4.app.RemoteInput;
+import androidx.core.app.NotificationCompat;
-import android.support.v4.app.TaskStackBuilder;
+import androidx.core.app.RemoteInput;
+import androidx.core.app.TaskStackBuilder;
 
 import com.squareup.otto.Subscribe;
 
+import javax.annotation.Nonnull;
+
 import info.nightscout.androidaps.Constants;
 import info.nightscout.androidaps.MainActivity;
 import info.nightscout.androidaps.MainApp;
 import info.nightscout.androidaps.R;
-import info.nightscout.androidaps.plugins.iob.iobCobCalculator.GlucoseStatus;
 import info.nightscout.androidaps.data.IobTotal;
 import info.nightscout.androidaps.db.BgReading;
 import info.nightscout.androidaps.db.DatabaseHelper;
@@ -37,6 +39,7 @@ import info.nightscout.androidaps.interfaces.PluginDescription;
 import info.nightscout.androidaps.interfaces.PluginType;
 import info.nightscout.androidaps.plugins.configBuilder.ConfigBuilderPlugin;
 import info.nightscout.androidaps.plugins.configBuilder.ProfileFunctions;
+import info.nightscout.androidaps.plugins.iob.iobCobCalculator.GlucoseStatus;
 import info.nightscout.androidaps.plugins.iob.iobCobCalculator.IobCobCalculatorPlugin;
 import info.nightscout.androidaps.plugins.iob.iobCobCalculator.events.EventAutosensCalculationFinished;
 import info.nightscout.androidaps.plugins.treatments.TreatmentsPlugin;
@@ -72,13 +75,14 @@ public class PersistentNotificationPlugin extends PluginBase {
     /// End Android Auto
 
 
-    public PersistentNotificationPlugin(Context ctx) {
+    private PersistentNotificationPlugin(Context ctx) {
         super(new PluginDescription()
                 .mainType(PluginType.GENERAL)
                 .neverVisible(true)
                 .pluginName(R.string.ongoingnotificaction)
                 .enableByDefault(true)
-                .alwaysEnabled(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+                .alwaysEnabled(true)
+                .showInList(false)
                 .description(R.string.description_persistent_notification)
         );
         this.ctx = ctx;
@@ -86,8 +90,8 @@ public class PersistentNotificationPlugin extends PluginBase {
 
     @Override
     protected void onStart() {
+        createNotificationChannel(); // make sure channels exist before triggering updates through the bus
         MainApp.bus().register(this);
-        createNotificationChannel();
         triggerNotificationUpdate();
         super.onStart();
     }
@@ -111,105 +115,107 @@ public class PersistentNotificationPlugin extends PluginBase {
     }
 
     private void triggerNotificationUpdate() {
-        MainApp.instance().startService(new Intent(MainApp.instance(), DummyService.class));
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+            MainApp.instance().startForegroundService(new Intent(MainApp.instance(), DummyService.class));
+        else
+            MainApp.instance().startService(new Intent(MainApp.instance(), DummyService.class));
     }
 
+    @Nonnull
     Notification updateNotification() {
-        if (!isEnabled(PluginType.GENERAL)) {
+        String line1 = null;
-            return null;
+        String line2 = null;
-        }
+        String line3 = null;
+        NotificationCompat.CarExtender.UnreadConversation.Builder unreadConversationBuilder = null;
 
-        String line1;
+        if (ConfigBuilderPlugin.getPlugin().getActiveProfileInterface() != null && ProfileFunctions.getInstance().isProfileValid("Notification")) {
-        String line1_aa;
+            String line1_aa;
-
+            String units = ProfileFunctions.getInstance().getProfileUnits();
-        if (ConfigBuilderPlugin.getPlugin().getActiveProfileInterface() == null || !ProfileFunctions.getInstance().isProfileValid("Notificiation"))
-            return null;
-        String units = ProfileFunctions.getInstance().getProfileUnits();
 
 
-        BgReading lastBG = DatabaseHelper.lastBg();
+            BgReading lastBG = DatabaseHelper.lastBg();
-        GlucoseStatus glucoseStatus = GlucoseStatus.getGlucoseStatusData();
+            GlucoseStatus glucoseStatus = GlucoseStatus.getGlucoseStatusData();
 
-        if (lastBG != null) {
+            if (lastBG != null) {
-            line1 = line1_aa = lastBG.valueToUnitsToString(units);
+                line1 = line1_aa = lastBG.valueToUnitsToString(units);
-            if (glucoseStatus != null) {
+                if (glucoseStatus != null) {
-                line1 += "  Δ" + deltastring(glucoseStatus.delta, glucoseStatus.delta * Constants.MGDL_TO_MMOLL, units)
+                    line1 += "  Δ" + deltastring(glucoseStatus.delta, glucoseStatus.delta * Constants.MGDL_TO_MMOLL, units)
-                        + " avgΔ" + deltastring(glucoseStatus.avgdelta, glucoseStatus.avgdelta * Constants.MGDL_TO_MMOLL, units);
+                            + " avgΔ" + deltastring(glucoseStatus.avgdelta, glucoseStatus.avgdelta * Constants.MGDL_TO_MMOLL, units);
-                line1_aa += "  " + lastBG.directionToSymbol();
+                    line1_aa += "  " + lastBG.directionToSymbol();
+                } else {
+                    line1 += " " +
+                            MainApp.gs(R.string.old_data) +
+                            " ";
+                    line1_aa += line1 + ".";
+                }
             } else {
-                line1 += " " +
+                line1 = line1_aa = MainApp.gs(R.string.missed_bg_readings);
-                        MainApp.gs(R.string.old_data) +
-                        " ";
-                line1_aa += line1 + ".";
             }
-        } else {
+
-            line1 = line1_aa = MainApp.gs(R.string.missed_bg_readings);
+            TemporaryBasal activeTemp = TreatmentsPlugin.getPlugin().getTempBasalFromHistory(System.currentTimeMillis());
+            if (activeTemp != null) {
+                line1 += "  " + activeTemp.toStringShort();
+                line1_aa += "  " + activeTemp.toStringShort() + ".";
+            }
+
+            //IOB
+            TreatmentsPlugin.getPlugin().updateTotalIOBTreatments();
+            TreatmentsPlugin.getPlugin().updateTotalIOBTempBasals();
+            IobTotal bolusIob = TreatmentsPlugin.getPlugin().getLastCalculationTreatments().round();
+            IobTotal basalIob = TreatmentsPlugin.getPlugin().getLastCalculationTempBasals().round();
+
+
+            line2 = MainApp.gs(R.string.treatments_iob_label_string) + " " + DecimalFormatter.to2Decimal(bolusIob.iob + basalIob.basaliob) + "U " + MainApp.gs(R.string.cob) + ": " + IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "PersistentNotificationPlugin").generateCOBString();
+            String line2_aa = MainApp.gs(R.string.treatments_iob_label_string) + " " + DecimalFormatter.to2Decimal(bolusIob.iob + basalIob.basaliob) + "U. " + MainApp.gs(R.string.cob) + ": " + IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "PersistentNotificationPlugin").generateCOBString() + ".";
+
+
+            line3 = DecimalFormatter.to2Decimal(ConfigBuilderPlugin.getPlugin().getActivePump().getBaseBasalRate()) + " U/h";
+            String line3_aa = DecimalFormatter.to2Decimal(ConfigBuilderPlugin.getPlugin().getActivePump().getBaseBasalRate()) + " U/h.";
+
+
+            line3 += " - " + ProfileFunctions.getInstance().getProfileName();
+            line3_aa += " - " + ProfileFunctions.getInstance().getProfileName() + ".";
+
+            /// For Android Auto
+            Intent msgReadIntent = new Intent()
+                    .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
+                    .setAction(READ_ACTION)
+                    .putExtra(CONVERSATION_ID, ONGOING_NOTIFICATION_ID)
+                    .setPackage(PACKAGE);
+
+            PendingIntent msgReadPendingIntent =
+                    PendingIntent.getBroadcast(ctx,
+                            ONGOING_NOTIFICATION_ID,
+                            msgReadIntent,
+                            PendingIntent.FLAG_UPDATE_CURRENT);
+
+            Intent msgReplyIntent = new Intent()
+                    .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
+                    .setAction(REPLY_ACTION)
+                    .putExtra(CONVERSATION_ID, ONGOING_NOTIFICATION_ID)
+                    .setPackage(PACKAGE);
+
+            PendingIntent msgReplyPendingIntent = PendingIntent.getBroadcast(
+                    ctx,
+                    ONGOING_NOTIFICATION_ID,
+                    msgReplyIntent,
+                    PendingIntent.FLAG_UPDATE_CURRENT);
+
+            // Build a RemoteInput for receiving voice input from devices
+            RemoteInput remoteInput = new RemoteInput.Builder(EXTRA_VOICE_REPLY).build();
+
+            // Create the UnreadConversation
+            unreadConversationBuilder =
+                    new NotificationCompat.CarExtender.UnreadConversation.Builder(line1_aa + "\n" + line2_aa)
+                            .setLatestTimestamp(System.currentTimeMillis())
+                            .setReadPendingIntent(msgReadPendingIntent)
+                            .setReplyAction(msgReplyPendingIntent, remoteInput);
+
+            /// Add dot to produce a "more natural sounding result"
+            unreadConversationBuilder.addMessage(line3_aa);
+            /// End Android Auto
         }
 
-        TemporaryBasal activeTemp = TreatmentsPlugin.getPlugin().getTempBasalFromHistory(System.currentTimeMillis());
-        if (activeTemp != null) {
-            line1 += "  " + activeTemp.toStringShort();
-            line1_aa += "  " + activeTemp.toStringShort() + ".";
-        }
-
-        //IOB
-        TreatmentsPlugin.getPlugin().updateTotalIOBTreatments();
-        TreatmentsPlugin.getPlugin().updateTotalIOBTempBasals();
-        IobTotal bolusIob = TreatmentsPlugin.getPlugin().getLastCalculationTreatments().round();
-        IobTotal basalIob = TreatmentsPlugin.getPlugin().getLastCalculationTempBasals().round();
-
-
-        String line2 = MainApp.gs(R.string.treatments_iob_label_string) + " " + DecimalFormatter.to2Decimal(bolusIob.iob + basalIob.basaliob) + "U " + MainApp.gs(R.string.cob) + ": " + IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "PersistentNotificationPlugin").generateCOBString();
-        String line2_aa = MainApp.gs(R.string.treatments_iob_label_string) + " " + DecimalFormatter.to2Decimal(bolusIob.iob + basalIob.basaliob) + "U. " + MainApp.gs(R.string.cob) + ": " + IobCobCalculatorPlugin.getPlugin().getCobInfo(false, "PersistentNotificationPlugin").generateCOBString() + ".";
-
-
-        String line3 = DecimalFormatter.to2Decimal(ConfigBuilderPlugin.getPlugin().getActivePump().getBaseBasalRate()) + " U/h";
-        String line3_aa = DecimalFormatter.to2Decimal(ConfigBuilderPlugin.getPlugin().getActivePump().getBaseBasalRate()) + " U/h.";
-
-
-        line3 += " - " + ProfileFunctions.getInstance().getProfileName();
-        line3_aa += " - " + ProfileFunctions.getInstance().getProfileName() + ".";
-
-        /// For Android Auto
-        Intent msgReadIntent = new Intent()
-                .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
-                .setAction(READ_ACTION)
-                .putExtra(CONVERSATION_ID, ONGOING_NOTIFICATION_ID)
-                .setPackage(PACKAGE);
-
-        PendingIntent msgReadPendingIntent =
-                PendingIntent.getBroadcast(ctx,
-                        ONGOING_NOTIFICATION_ID,
-                        msgReadIntent,
-                        PendingIntent.FLAG_UPDATE_CURRENT);
-
-        Intent msgReplyIntent = new Intent()
-                .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
-                .setAction(REPLY_ACTION)
-                .putExtra(CONVERSATION_ID, ONGOING_NOTIFICATION_ID)
-                .setPackage(PACKAGE);
-
-        PendingIntent msgReplyPendingIntent = PendingIntent.getBroadcast(
-                ctx,
-                ONGOING_NOTIFICATION_ID,
-                msgReplyIntent,
-                PendingIntent.FLAG_UPDATE_CURRENT);
-
-        // Build a RemoteInput for receiving voice input from devices
-        RemoteInput remoteInput = new RemoteInput.Builder(EXTRA_VOICE_REPLY).build();
-
-        // Create the UnreadConversation
-        NotificationCompat.CarExtender.UnreadConversation.Builder unreadConversationBuilder =
-                new NotificationCompat.CarExtender.UnreadConversation.Builder(line1_aa + "\n" + line2_aa)
-                        .setLatestTimestamp(System.currentTimeMillis())
-                        .setReadPendingIntent(msgReadPendingIntent)
-                        .setReplyAction(msgReplyPendingIntent, remoteInput);
-
-        /// Add dot to produce a "more natural sounding result"
-        unreadConversationBuilder.addMessage(line3_aa);
-        /// End Android Auto
-
-
         NotificationCompat.Builder builder = new NotificationCompat.Builder(ctx, CHANNEL_ID);
         builder.setOngoing(true);
         builder.setOnlyAlertOnce(true);
@@ -217,12 +223,14 @@ public class PersistentNotificationPlugin extends PluginBase {
         builder.setSmallIcon(MainApp.getNotificationIcon());
         Bitmap largeIcon = BitmapFactory.decodeResource(ctx.getResources(), MainApp.getIcon());
         builder.setLargeIcon(largeIcon);
-        builder.setContentTitle(line1);
+        builder.setContentTitle(line1 != null ? line1 : MainApp.gs(R.string.noprofileset));
-        builder.setContentText(line2);
+        builder.setContentText(line2 != null ? line2 : MainApp.gs(R.string.noprofileset));
-        builder.setSubText(line3);
+        builder.setSubText(line3 != null ? line3 : MainApp.gs(R.string.noprofileset));
         /// Android Auto
-        builder.extend(new NotificationCompat.CarExtender()
+        if (unreadConversationBuilder != null) {
-                .setUnreadConversation(unreadConversationBuilder.build()));
+            builder.extend(new NotificationCompat.CarExtender()
+                    .setUnreadConversation(unreadConversationBuilder.build()));
+        }
         /// End Android Auto
 
 

app/src/main/java/info/nightscout/androidaps/plugins/general/tidepool/TidepoolFragment.kt

@@ -1,11 +1,11 @@
 package info.nightscout.androidaps.plugins.general.tidepool
 
 import android.os.Bundle
-import android.support.v4.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ScrollView
+import androidx.fragment.app.Fragment
 import info.nightscout.androidaps.R
 import info.nightscout.androidaps.plugins.bus.RxBus
 import info.nightscout.androidaps.plugins.general.tidepool.comm.TidepoolUploader

app/src/main/java/info/nightscout/androidaps/plugins/general/versionChecker/VersionCheckerUtils.kt

@@ -9,29 +9,21 @@ import info.nightscout.androidaps.logging.L
 import info.nightscout.androidaps.plugins.general.overview.events.EventNewNotification
 import info.nightscout.androidaps.plugins.general.overview.notifications.Notification
 import info.nightscout.androidaps.utils.SP
-import org.apache.http.HttpResponse
-import org.apache.http.client.methods.HttpGet
-import org.apache.http.impl.client.DefaultHttpClient
 import org.slf4j.LoggerFactory
 import java.io.IOException
-import java.io.InputStream
+import java.net.URL
 import java.util.concurrent.TimeUnit
 
+
 // check network connection
 fun isConnected(): Boolean {
     val connMgr = MainApp.instance().applicationContext.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
     return connMgr.activeNetworkInfo?.isConnected ?: false
 }
 
-// convert inputstream to String
+fun findVersion(file :String?): String? {
-@Throws(IOException::class)
-inline fun InputStream.findVersion(): String? {
     val regex = "(.*)version(.*)\"(((\\d+)\\.)+(\\d+))\"(.*)".toRegex()
-    return bufferedReader()
+    return file?.lines()?.filter { regex.matches(it) }?.mapNotNull { regex.matchEntire(it)?.groupValues?.getOrNull(3) }?.firstOrNull()
-            .readLines()
-            .filter { regex.matches(it) }
-            .mapNotNull { regex.matchEntire(it)?.groupValues?.getOrNull(3) }
-            .firstOrNull()
 }
 
 private val log = LoggerFactory.getLogger(L.CORE)
@@ -39,24 +31,21 @@ private val log = LoggerFactory.getLogger(L.CORE)
 
 fun triggerCheckVersion() {
 
-    if(!SP.contains(R.string.key_last_time_this_version_detected)) {
+    if (!SP.contains(R.string.key_last_time_this_version_detected)) {
         // On a new installation, set it as 30 days old in order to warn that there is a new version.
         SP.putLong(R.string.key_last_time_this_version_detected, System.currentTimeMillis() - TimeUnit.DAYS.toMillis(30))
     }
 
     // If we are good, only check once every day.
-    if(System.currentTimeMillis() > SP.getLong(R.string.key_last_time_this_version_detected, 0) + CHECK_EVERY){
+    if (System.currentTimeMillis() > SP.getLong(R.string.key_last_time_this_version_detected, 0) + CHECK_EVERY) {
         checkVersion()
     }
 }
 
-@Suppress("DEPRECATION")
 private fun checkVersion() = if (isConnected()) {
     Thread {
         try {
-            val request = HttpGet("https://raw.githubusercontent.com/MilosKozak/AndroidAPS/master/app/build.gradle")
+            val version: String? = findVersion(URL("https://raw.githubusercontent.com/MilosKozak/AndroidAPS/master/app/build.gradle").readText())
-            val response: HttpResponse = DefaultHttpClient().execute(request)
-            val version: String? = response.entity.content?.findVersion()
             compareWithCurrentVersion(version, BuildConfig.VERSION_NAME)
         } catch (e: IOException) {
             log.debug("Github master version check error: $e")
@@ -90,7 +79,7 @@ fun onVersionNotDetectable() {
 
 fun onNewVersionDetected(currentVersion: String, newVersion: String?) {
     val now = System.currentTimeMillis()
-    if(now > SP.getLong(R.string.key_last_versionchecker_warning, 0) + WARN_EVERY) {
+    if (now > SP.getLong(R.string.key_last_versionchecker_warning, 0) + WARN_EVERY) {
         log.debug("Version ${currentVersion} outdated. Found $newVersion")
         val notification = Notification(Notification.NEWVERSIONDETECTED, String.format(MainApp.gs(R.string.versionavailable), newVersion.toString()), Notification.LOW)
         MainApp.bus().post(EventNewNotification(notification))

app/src/main/java/info/nightscout/androidaps/plugins/general/wear/ActionStringHandler.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.general.wear;
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.HandlerThread;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import java.text.DateFormat;
 import java.text.DecimalFormat;

app/src/main/java/info/nightscout/androidaps/plugins/general/wear/WearFragment.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.general.wear;
 
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/general/wear/wearintegration/WatchUpdaterService.java

@@ -17,7 +17,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.preference.PreferenceManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.util.Log;
 
 import com.google.android.gms.common.ConnectionResult;

app/src/main/java/info/nightscout/androidaps/plugins/general/xdripStatusline/StatuslinePlugin.java

@@ -5,7 +5,7 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.squareup.otto.Subscribe;
 

app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinFragment.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.insulin;
 
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/iob/iobCobCalculator/CobInfo.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.iob.iobCobCalculator;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import info.nightscout.androidaps.utils.DecimalFormatter;
 

app/src/main/java/info/nightscout/androidaps/plugins/iob/iobCobCalculator/GlucoseStatus.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.iob.iobCobCalculator;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/iob/iobCobCalculator/IobCobCalculatorPlugin.java

@@ -1,9 +1,9 @@
 package info.nightscout.androidaps.plugins.iob.iobCobCalculator;
 
 import android.os.SystemClock;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.util.LongSparseArray;
+import androidx.collection.LongSparseArray;
 
 import com.squareup.otto.Subscribe;
 

app/src/main/java/info/nightscout/androidaps/plugins/iob/iobCobCalculator/IobCobOref1Thread.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.iob.iobCobCalculator;
 import android.content.Context;
 import android.os.PowerManager;
 import android.os.SystemClock;
-import android.support.v4.util.LongSparseArray;
+import androidx.collection.LongSparseArray;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/iob/iobCobCalculator/IobCobThread.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.iob.iobCobCalculator;
 import android.content.Context;
 import android.os.PowerManager;
 import android.os.SystemClock;
-import android.support.v4.util.LongSparseArray;
+import androidx.collection.LongSparseArray;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfileFragment.java

@@ -3,7 +3,7 @@ package info.nightscout.androidaps.plugins.profile.local;
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.LayoutInflater;

app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfilePlugin.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.profile.local;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.json.JSONArray;
 import org.json.JSONException;

app/src/main/java/info/nightscout/androidaps/plugins/profile/ns/NSProfilePlugin.java

@@ -2,7 +2,7 @@ package info.nightscout.androidaps.plugins.profile.ns;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import org.json.JSONException;
 import org.json.JSONObject;

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ComboFragment.java

@@ -5,7 +5,7 @@ import android.app.Activity;
 import android.graphics.Color;
 import android.graphics.Typeface;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ComboPlugin.java

@@ -2,10 +2,10 @@ package info.nightscout.androidaps.plugins.pump.combo;
 
 import android.content.DialogInterface;
 import android.os.SystemClock;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.FragmentActivity;
+import androidx.fragment.app.FragmentActivity;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 
 import org.json.JSONObject;
 import org.slf4j.Logger;

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ComboPump.java

@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.pump.combo;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import java.util.ArrayList;
 import java.util.List;

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ruffyscripter/CommandResult.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.pump.combo.ruffyscripter;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import java.util.LinkedList;
 import java.util.List;

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ruffyscripter/RuffyScripter.java

@@ -7,8 +7,8 @@ import android.content.ServiceConnection;
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.google.common.base.Joiner;
 

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ruffyscripter/WarningOrErrorCode.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.pump.combo.ruffyscripter;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 public class WarningOrErrorCode {
     @Nullable

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ruffyscripter/commands/BaseCommand.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.pump.combo.ruffyscripter.commands;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.monkey.d.ruffy.ruffy.driver.display.MenuAttribute;
 import org.monkey.d.ruffy.ruffy.driver.display.MenuType;

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ruffyscripter/commands/ReadHistoryCommand.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.pump.combo.ruffyscripter.commands;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.monkey.d.ruffy.ruffy.driver.display.MenuAttribute;
 import org.monkey.d.ruffy.ruffy.driver.display.MenuType;

app/src/main/java/info/nightscout/androidaps/plugins/pump/combo/ruffyscripter/history/PumpHistory.java

@@ -1,6 +1,6 @@
 package info.nightscout.androidaps.plugins.pump.combo.ruffyscripter.history;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import java.util.ArrayList;
 import java.util.LinkedList;