Initial support for external sources

app/src/main/java/eu/kanade/tachiyomi/widget/preference/LoginDialogPreference.kt

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.widget.preference
 
+import android.app.Activity
 import android.app.Dialog
 import android.content.DialogInterface
 import android.content.Intent
@@ -70,7 +71,8 @@ abstract class LoginDialogPreference : DialogFragment() {
 
     override fun onDismiss(dialog: DialogInterface) {
         super.onDismiss(dialog)
-        targetFragment?.onActivityResult(targetRequestCode, arguments.getInt("key"), Intent())
+        val intent = Intent().putExtras(arguments)
+        targetFragment?.onActivityResult(targetRequestCode, Activity.RESULT_OK, intent)
     }
 
     protected abstract fun checkLogin()

app/src/main/java/eu/kanade/tachiyomi/widget/preference/SourceLoginDialog.kt

@@ -19,7 +19,7 @@ class SourceLoginDialog : LoginDialogPreference() {
         fun newInstance(source: Source): LoginDialogPreference {
             val fragment = SourceLoginDialog()
             val bundle = Bundle(1)
-            bundle.putInt("key", source.id)
+            bundle.putLong("key", source.id)
             fragment.arguments = bundle
             return fragment
         }
@@ -32,7 +32,7 @@ class SourceLoginDialog : LoginDialogPreference() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        val sourceId = arguments.getInt("key")
+        val sourceId = arguments.getLong("key")
         source = sourceManager.get(sourceId) as LoginSource
     }