Migrate to AndroidX & latest SDK

android/build.gradle

@@ -26,12 +26,11 @@ rootProject.allprojects {
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.3'
+    compileSdkVersion 28
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -40,6 +39,6 @@ android {
         disable 'InvalidPackage'
     }
     dependencies {
-        compile "com.android.support:support-core-utils:25.3.1"
+        implementation "androidx.appcompat:appcompat:$supportLibVersion"
     }
 }

android/gradle.properties

@@ -1 +1,3 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableJetifier=true
+android.useAndroidX=true

android/src/main/java/com/pauldemarco/foregroundservice/ForegroundService.java

@@ -7,11 +7,14 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.IBinder;
-import android.support.v4.app.NotificationCompat;
+import android.os.Build;
+import android.graphics.Color;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import androidx.core.app.NotificationCompat;
 
 public class ForegroundService extends Service {
     private static final String TAG = "ForegroundService";
-    public static int ONGOING_NOTIFICATION_ID = 1;
 
     @Override
     public void onCreate() {
@@ -28,7 +31,44 @@ public int onStartCommand(Intent intent, int flags, int startId) {
 
             Bundle bundle = intent.getExtras();
 
-            Notification notification =
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+            {
+                int ONGOING_NOTIFICATION_ID = 2;
+
+                String NOTIFICATION_CHANNEL_ID = "com.pauldemarco.foregroundservice";
+                String channelName = "Foreground Service";
+                NotificationChannel chan = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
+                    channelName, NotificationManager.IMPORTANCE_NONE);
+
+                chan.setLightColor(Color.BLUE);
+                chan.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
+                NotificationManager manager = (NotificationManager) getSystemService(
+                    getApplicationContext().NOTIFICATION_SERVICE);
+                assert manager != null;
+                manager.createNotificationChannel(chan);
+
+                NotificationCompat.Builder notificationBuilder =
+                    new NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID);
+
+                Notification notification = notificationBuilder
+                    .setOngoing(true)
+                    // .setSmallIcon(R.drawable.icon_1)
+                    .setContentTitle(bundle.getString("title"))
+                    .setContentText(bundle.getString("text"))
+                    .setSubText(bundle.getString("subText"))
+                    .setTicker(bundle.getString("ticker"))
+                    .setPriority(NotificationManager.IMPORTANCE_MIN)
+                    .setCategory(Notification.CATEGORY_SERVICE)
+                    .build();
+
+                startForeground(ONGOING_NOTIFICATION_ID, notification);
+            }
+            else
+            {
+                int ONGOING_NOTIFICATION_ID = 1;
+
+                Notification notification =
                     new NotificationCompat.Builder(this)
                             .setOngoing(true)
                             .setPriority(NotificationCompat.PRIORITY_MAX)
@@ -39,8 +79,9 @@ public int onStartCommand(Intent intent, int flags, int startId) {
                             .setSmallIcon(android.R.drawable.ic_dialog_info)
                             .setContentIntent(pendingIntent)
                             .build();
-
-            startForeground(ONGOING_NOTIFICATION_ID, notification);
+
+               startForeground(ONGOING_NOTIFICATION_ID, notification);
+            }
 
         } else if (ForegroundServicePlugin.STOPFOREGROUND_ACTION.equals(intent.getAction())) {
             stopForeground(true);

example/android/app/build.gradle

@@ -15,8 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.3'
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
@@ -26,7 +25,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.pauldemarco.foregroundserviceexample"
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -46,7 +45,9 @@ flutter {
 }
 
 dependencies {
-    androidTestCompile 'com.android.support:support-annotations:25.4.0'
-    androidTestCompile 'com.android.support.test:runner:0.5'
-    androidTestCompile 'com.android.support.test:rules:0.5'
+    testImplementation 'junit:junit:4.12'
+    def supportLibVersion = rootProject.ext.supportLibVersion
+    androidTestImplementation 'androidx.test:runner:1.1.1'                   // or higher
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'   // or higher
+    implementation "androidx.appcompat:appcompat:$supportLibVersion"
 }

example/android/app/src/main/AndroidManifest.xml

@@ -38,4 +38,5 @@
         <service android:name="com.pauldemarco.foregroundservice.ForegroundService" >
         </service>
     </application>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 </manifest>

example/android/build.gradle

@@ -7,7 +7,13 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.2.1'
+    }
+
+    ext {
+       compileSdkVersion   = 28                // or higher
+       targetSdkVersion    = 28                // or higher
+       supportLibVersion   = "1.0.2"           // or higher
     }
 }
 

example/android/gradle.properties

@@ -1 +1,3 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableJetifier=true
+android.useAndroidX=true

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip

pubspec.yaml

@@ -1,9 +1,12 @@
 name: foreground_service
-description: Android's ForegroundService for Flutter
+description: Android ForegroundService for Flutter
 version: 0.0.1
 author:
 homepage:
 
+environment:
+  sdk: ">=2.1.0 <3.0.0"
+
 dependencies:
   flutter:
     sdk: flutter