Fix crash on Android O

app/src/main/AndroidManifest.xml

@@ -70,7 +70,7 @@
 
         <receiver android:name=".receivers.ManagerUpdate" />
 
-        <service android:name=".services.BootupIntentService" />
+        <service android:name=".services.OnBootIntentService" />
 
         <service
             android:name=".services.UpdateCheckService"

app/src/main/java/com/topjohnwu/magisk/receivers/BootReceiver.java

@@ -3,14 +3,28 @@ package com.topjohnwu.magisk.receivers;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.os.Build;
 
-import com.topjohnwu.magisk.services.BootupIntentService;
+import com.topjohnwu.magisk.services.OnBootIntentService;
+import com.topjohnwu.magisk.utils.Utils;
 
 public class BootReceiver extends BroadcastReceiver {
 
+    private void startIntentService(Context context) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            context.startForegroundService(new Intent(context, OnBootIntentService.class));
+        } else {
+            context.startService(new Intent(context, OnBootIntentService.class));
+        }
+    }
+
     @Override
     public void onReceive(Context context, Intent intent) {
-        context.startService(new Intent(context, BootupIntentService.class));
+        if (intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)) {
+            Utils.getMagiskManager(context).initSU();
+            // There is currently no need to start an IntentService onBoot
+            // startIntentService(context);
+        }
     }
 
 }

app/src/main/java/com/topjohnwu/magisk/services/BootupIntentService.java

@@ -1,18 +0,0 @@
-package com.topjohnwu.magisk.services;
-
-import android.app.IntentService;
-import android.content.Intent;
-
-import com.topjohnwu.magisk.MagiskManager;
-
-public class BootupIntentService extends IntentService {
-
-    public BootupIntentService() {
-        super("BootupIntentService");
-    }
-
-    @Override
-    protected void onHandleIntent(Intent intent) {
-        ((MagiskManager) getApplication()).initSU();
-    }
-}

app/src/main/java/com/topjohnwu/magisk/services/OnBootIntentService.java

@@ -0,0 +1,34 @@
+package com.topjohnwu.magisk.services;
+
+import android.app.IntentService;
+import android.content.Intent;
+import android.os.Build;
+import android.support.v7.app.NotificationCompat;
+
+import com.topjohnwu.magisk.R;
+
+public class OnBootIntentService extends IntentService {
+
+    private static final int ONBOOT_NOTIFICATION_ID = 3;
+
+    public OnBootIntentService() {
+        super("OnBootIntentService");
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
+            builder.setSmallIcon(R.drawable.ic_magisk)
+                    .setContentTitle("onBoot")
+                    .setContentText("Running onBoot operations...");
+            startForeground(ONBOOT_NOTIFICATION_ID, builder.build());
+        }
+    }
+
+    @Override
+    protected void onHandleIntent(Intent intent) {
+        // Currently nothing to do
+    }
+}