fix: remove support for deleteApp

With session elevation this would require re-authentication, and this is
to much effort to implement for just one function that's probably only
rarely used.

Author: jmattheis

app/src/main/kotlin/com/github/gotify/messages/MessagesActivity.kt

@@ -41,15 +41,12 @@ import com.github.gotify.Utils
 import com.github.gotify.Utils.launchCoroutine
 import com.github.gotify.api.Api
 import com.github.gotify.api.ApiException
-import com.github.gotify.api.Callback
 import com.github.gotify.api.ClientFactory
 import com.github.gotify.client.ApiClient
-import com.github.gotify.client.api.ApplicationApi
 import com.github.gotify.client.api.AuthApi
 import com.github.gotify.client.api.ClientApi
 import com.github.gotify.client.api.MessageApi
 import com.github.gotify.client.model.Application
-import com.github.gotify.client.model.Client
 import com.github.gotify.client.model.Message
 import com.github.gotify.databinding.ActivityMessagesBinding
 import com.github.gotify.init.InitializationActivity
@@ -540,28 +537,13 @@ internal class MessagesActivity :
         if (item.itemId == R.id.action_delete_app) {
             MaterialAlertDialogBuilder(this)
                 .setTitle(R.string.delete_app)
-                .setMessage(R.string.ack)
-                .setPositiveButton(R.string.yes) { _, _ -> deleteApp(viewModel.appId) }
-                .setNegativeButton(R.string.no, null)
+                .setMessage(R.string.delete_app_not_supported)
+                .setPositiveButton(android.R.string.ok, null)
                 .show()
         }
         return super.onContextItemSelected(item)
     }
 
-    private fun deleteApp(appId: Long) {
-        val settings = viewModel.settings
-        val client = ClientFactory.clientToken(settings)
-        client.createService(ApplicationApi::class.java)
-            .deleteApp(appId)
-            .enqueue(
-                Callback.callInUI(
-                    this,
-                    onSuccess = { refreshAll() },
-                    onError = { Utils.showSnackBar(this, getString(R.string.error_delete_app)) }
-                )
-            )
-    }
-
     private suspend fun loadMore(appId: Long): List<MessageWithImage> {
         val messagesWithImages = viewModel.messages.loadMore(appId)
         withContext(Dispatchers.Main) {

app/src/main/res/values/strings.xml

@@ -25,7 +25,7 @@
     <string name="grouped_message">Received %d messages while being disconnected</string>
     <string name="delete_all">Delete all messages</string>
     <string name="delete_app">Delete application</string>
-    <string name="error_delete_app">Could not delete this app</string>
+    <string name="delete_app_not_supported">Deleting applications is not currently supported. Use the WebUI.</string>
     <string name="delete_logs">Delete logs</string>
     <string name="copy_logs">Copy logs</string>
     <string name="logs_copied">Logs copied</string>