Improve stub manager

src/full/AndroidManifest.xml

@@ -3,8 +3,8 @@
     package="com.topjohnwu.magisk">
 
     <uses-permission android:name="android.permission.VIBRATE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.USE_FINGERPRINT" />
-    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <application
         android:name=".MagiskManager"

src/main/AndroidManifest.xml

@@ -7,7 +7,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <application
         android:name=".MagiskManager"

src/stub/AndroidManifest.xml

@@ -11,6 +11,12 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <receiver android:name=".receivers.BootLauncher">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
     </application>
 
 </manifest>

src/stub/java/com/topjohnwu/magisk/receivers/BootLauncher.java

@@ -0,0 +1,16 @@
+package com.topjohnwu.magisk.receivers;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import com.topjohnwu.magisk.NoUIActivity;
+
+public class BootLauncher extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Intent i = new Intent(context, NoUIActivity.class);
+        i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        context.startActivity(i);
+    }
+}