Update account help url and menu

* Remove 'Delete' option from opentask accounts
* Use resId for help url

app/src/main/java/org/tasks/caldav/BaseCaldavAccountSettingsActivity.kt

@@ -84,7 +84,7 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
         toolbar.title = if (caldavAccount == null) getString(R.string.add_account) else caldavAccount!!.name
         toolbar.navigationIcon = getDrawable(R.drawable.ic_outline_save_24px)
         toolbar.setNavigationOnClickListener { save() }
-        toolbar.inflateMenu(R.menu.menu_caldav_account_settings)
+        toolbar.inflateMenu(menuRes)
         toolbar.setOnMenuItemClickListener(this)
         toolbar.showOverflowMenu()
         themeColor.apply(toolbar)
@@ -107,6 +107,8 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
     @get:StringRes
     protected open val description = 0
 
+    protected open val menuRes = R.menu.menu_caldav_account_settings
+
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putParcelable(EXTRA_CALDAV_DATA, caldavAccount)
@@ -246,7 +248,7 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
     protected abstract suspend fun addAccount(url: String, username: String, password: String)
     protected abstract suspend fun updateAccount(url: String, username: String, password: String)
     protected abstract suspend fun updateAccount()
-    protected abstract val helpUrl: String?
+    protected abstract val helpUrl: Int
 
     protected fun requestFailed(t: Throwable) {
         hideProgressIndicator()
@@ -347,7 +349,7 @@ abstract class BaseCaldavAccountSettingsActivity : ThemedInjectingAppCompatActiv
 
     override fun onMenuItemClick(item: MenuItem): Boolean {
         when (item.itemId) {
-            R.id.menu_help -> startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(helpUrl)))
+            R.id.menu_help -> startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(helpUrl))))
             R.id.remove -> removeAccountPrompt()
         }
         return onOptionsItemSelected(item)

app/src/main/java/org/tasks/caldav/CaldavAccountSettingsActivity.kt

@@ -74,6 +74,5 @@ class CaldavAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Toolb
             return if (PASSWORD_MASK == input) encryption.decrypt(caldavAccount!!.password) else input
         }
 
-    override val helpUrl: String
+    override val helpUrl = R.string.url_caldav
-        get() = getString(R.string.url_caldav)
 }

app/src/main/java/org/tasks/etebase/EtebaseAccountSettingsActivity.kt

@@ -107,8 +107,7 @@ class EtebaseAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Tool
     override val newPassword: String
         get() = binding.password.text.toString().trim { it <= ' ' }
 
-    override val helpUrl: String
+    override val helpUrl = R.string.url_etesync
-        get() = getString(R.string.url_etesync)
 
     private suspend fun saveAccountAndFinish() {
         if (caldavAccount!!.id == Task.NO_ID) {

app/src/main/java/org/tasks/etesync/EteSyncAccountSettingsActivity.kt

@@ -139,8 +139,7 @@ class EteSyncAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Tool
     override val newPassword: String
         get() = binding.password.text.toString().trim { it <= ' ' }
 
-    override val helpUrl: String
+    override val helpUrl = R.string.url_etesync
-        get() = getString(R.string.url_etesync)
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         if (requestCode == REQUEST_ENCRYPTION_PASSWORD) {

app/src/main/java/org/tasks/opentasks/OpenTaskAccountSettingsActivity.kt

@@ -61,6 +61,7 @@ class OpenTaskAccountSettingsActivity : BaseCaldavAccountSettingsActivity(), Too
 
     override suspend fun updateAccount() = updateAccount(caldavAccount!!.url)
 
-    override val helpUrl: String
+    override val helpUrl = R.string.help_url_sync
-        get() = getString(R.string.help_url_sync)
+
+    override val menuRes = R.menu.menu_help
 }