update docs about setUserControlDisabledPackages

use annotation instead of proguard rules to keep ShizukuService
hide profile owner entry if device owner is activated

app/proguard-rules.pro

@@ -12,7 +12,6 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
--keep class com.bintianqi.owndroid.dpm.ShizukuService
 
 # Uncomment this to preserve the line number information for
 # debugging stack traces.

app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt

@@ -112,10 +112,12 @@ private fun Home(localNavCtrl:NavHostController,listScrollState:ScrollState){
             R.string.device_admin, stringResource(if(myDpm.isAdminActive(myComponent)){R.string.activated}else{R.string.deactivated}),
             operation = {localNavCtrl.navigate("DeviceAdmin")}
         )
-        SubPageItem(
-            R.string.profile_owner, stringResource(if(isProfileOwner(myDpm)){R.string.activated}else{R.string.deactivated}),
-            operation = {localNavCtrl.navigate("ProfileOwner")}
-        )
+        if(!isDeviceOwner(myDpm)){
+            SubPageItem(
+                R.string.profile_owner, stringResource(if(isProfileOwner(myDpm)){R.string.activated}else{R.string.deactivated}),
+                operation = {localNavCtrl.navigate("ProfileOwner")}
+            )
+        }
         SubPageItem(
             R.string.device_owner, stringResource(if(isDeviceOwner(myDpm)){R.string.activated}else{R.string.deactivated}),
             operation = {localNavCtrl.navigate("DeviceOwner")}

app/src/main/java/com/bintianqi/owndroid/dpm/ShizukuService.kt

@@ -2,12 +2,14 @@ package com.bintianqi.owndroid.dpm
 
 import android.os.IBinder
 import android.system.Os
+import androidx.annotation.Keep
 import com.bintianqi.owndroid.IUserService
 import java.io.BufferedReader
 import java.io.InputStreamReader
 
 var service:IUserService? = null
 
+@Keep
 class ShizukuService: IUserService.Stub() {
     override fun asBinder(): IBinder {
         TODO("Not yet implemented")