Show progress drawable when backup

app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageFavoritesFragment.kt

@@ -19,11 +19,16 @@
 package xyz.quaver.pupil.ui.fragment
 
 import android.content.Intent
+import android.graphics.drawable.Drawable
 import android.os.Bundle
+import android.view.ViewGroup
 import android.widget.EditText
+import android.widget.ImageView
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
+import androidx.core.content.res.ResourcesCompat
+import androidx.core.view.updateLayoutParams
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import androidx.swiperefreshlayout.widget.CircularProgressDrawable
@@ -42,11 +47,24 @@ import java.io.IOException
 
 class ManageFavoritesFragment : PreferenceFragmentCompat(), DIAware {
 
+    private lateinit var progressDrawable: CircularProgressDrawable
+
     override val di by closestDI()
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.manage_favorites_preferences, rootKey)
 
+        val context = requireContext()
+
+        val iconSize = context.resources.getDimensionPixelSize(R.dimen.settings_progressbar_icon_size)
+        progressDrawable  = object: CircularProgressDrawable(context) {
+            override fun getIntrinsicHeight() = iconSize
+            override fun getIntrinsicWidth() = iconSize
+        }.apply {
+            setStyle(CircularProgressDrawable.DEFAULT)
+            setColorSchemeColors(ContextCompat.getColor(context, R.color.colorAccent))
+        }
+
         initPreferences()
     }
 
@@ -54,6 +72,11 @@ class ManageFavoritesFragment : PreferenceFragmentCompat(), DIAware {
         val context = context ?: return
 
         findPreference<Preference>("backup")?.setOnPreferenceClickListener {
+            MainScope().launch {
+                it.icon = progressDrawable
+                progressDrawable.start()
+            }
+
             val request = Request.Builder()
                 .url(context.getString(R.string.backup_url))
                 .post(
@@ -62,10 +85,6 @@ class ManageFavoritesFragment : PreferenceFragmentCompat(), DIAware {
                         .build()
                 ).build()
 
-            MainScope().launch {
-                it.icon = CircularProgressDrawable(context)
-            }
-
             client.newCall(request).enqueue(object: Callback {
                 override fun onFailure(call: Call, e: IOException) {
                     val view = view ?: return
@@ -79,6 +98,7 @@ class ManageFavoritesFragment : PreferenceFragmentCompat(), DIAware {
                     }
 
                     MainScope().launch {
+                        progressDrawable.stop()
                         it.icon = null
                     }
 

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

@@ -14,4 +14,6 @@
 	<dimen name="thumbnail_page_height">300dp</dimen>
 
 	<dimen name="gallery_dialog_preview_height">150dp</dimen>
+
+	<dimen name="settings_progressbar_icon_size">24dp</dimen>
 </resources>