Move setContentView out of onCreate

app/src/main/java/com/topjohnwu/magisk/arch/BaseUIActivity.kt

@@ -48,6 +48,9 @@ abstract class BaseUIActivity<VM : BaseViewModel, Binding : ViewDataBinding> :
 
     override fun onCreate(savedInstanceState: Bundle?) {
         setTheme(themeRes)
+        super.onCreate(savedInstanceState)
+
+        startObserveEvents()
 
         // We need to set the window background explicitly since for whatever reason it's not
         // propagated upstream
@@ -55,16 +58,6 @@ abstract class BaseUIActivity<VM : BaseViewModel, Binding : ViewDataBinding> :
             .use { it.getDrawable(0) }
             .also { window.setBackgroundDrawable(it) }
 
-        super.onCreate(savedInstanceState)
-        startObserveEvents()
-
-        binding = DataBindingUtil.setContentView<Binding>(this, layoutRes).also {
-            it.setVariable(BR.viewModel, viewModel)
-            it.lifecycleOwner = this
-        }
-
-        ensureInsets()
-
         directionsDispatcher.observe(this) {
             it?.navigate()
             // we don't want the directions to be re-dispatched, so we preemptively set them to null
@@ -74,6 +67,15 @@ abstract class BaseUIActivity<VM : BaseViewModel, Binding : ViewDataBinding> :
         }
     }
 
+    fun setContentView() {
+        binding = DataBindingUtil.setContentView<Binding>(this, layoutRes).also {
+            it.setVariable(BR.viewModel, viewModel)
+            it.lifecycleOwner = this
+        }
+
+        ensureInsets()
+    }
+
     override fun onResume() {
         super.onResume()
         viewModel.requestRefresh()

app/src/main/java/com/topjohnwu/magisk/events/ViewEvents.kt

@@ -51,6 +51,12 @@ class DieEvent : ViewEvent(), ActivityExecutor {
     }
 }
 
+class ShowUIEvent : ViewEvent(), ActivityExecutor {
+    override fun invoke(activity: BaseUIActivity<*, *>) {
+        activity.setContentView()
+    }
+}
+
 class RecreateEvent : ViewEvent(), ActivityExecutor {
     override fun invoke(activity: BaseUIActivity<*, *>) {
         activity.recreate()

app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt

@@ -14,7 +14,6 @@ import androidx.core.view.setPadding
 import androidx.core.view.updateLayoutParams
 import androidx.navigation.NavDirections
 import com.google.android.material.card.MaterialCardView
-import com.topjohnwu.magisk.BuildConfig
 import com.topjohnwu.magisk.MainDirections
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.arch.BaseUIActivity
@@ -60,6 +59,7 @@ open class MainActivity : BaseUIActivity<MainViewModel, ActivityMainMd2Binding>(
             return
         }
 
+        setContentView()
         showUnsupportedMessage()
         askForHomeShortcut()
 

app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestViewModel.kt

@@ -18,9 +18,9 @@ import com.topjohnwu.magisk.core.model.su.SuPolicy.Companion.DENY
 import com.topjohnwu.magisk.core.su.SuRequestHandler
 import com.topjohnwu.magisk.core.utils.BiometricHelper
 import com.topjohnwu.magisk.events.DieEvent
+import com.topjohnwu.magisk.events.ShowUIEvent
 import com.topjohnwu.magisk.ui.superuser.SpinnerRvItem
 import com.topjohnwu.magisk.utils.set
-import com.topjohnwu.superuser.internal.UiThreadHandler
 import kotlinx.coroutines.launch
 import me.tatarka.bindingcollectionadapter2.BindingListViewAdapter
 import me.tatarka.bindingcollectionadapter2.ItemBinding
@@ -33,26 +33,14 @@ class SuRequestViewModel(
     private val res: Resources
 ) : BaseViewModel() {
 
-    @get:Bindable
-    var icon: Drawable? = null
-        set(value) = set(value, field, { field = it }, BR.icon)
-
-    @get:Bindable
-    var title = ""
-        set(value) = set(value, field, { field = it }, BR.title)
-
-    @get:Bindable
-    var packageName = ""
-        set(value) = set(value, field, { field = it }, BR.packageName)
+    lateinit var icon: Drawable
+    lateinit var title: String
+    lateinit var packageName: String
 
     @get:Bindable
     var denyText = res.getString(R.string.deny)
         set(value) = set(value, field, { field = it }, BR.denyText)
 
-    @get:Bindable
-    var warningText = res.getString(R.string.su_warning)
-        set(value) = set(value, field, { field = it }, BR.warningText)
-
     @get:Bindable
     var selectedItemPosition = 0
         set(value) = set(value, field, { field = it }, BR.selectedItemPosition)
@@ -124,14 +112,14 @@ class SuRequestViewModel(
             icon = policy.applicationInfo.loadIcon(pm)
             title = policy.appName
             packageName = policy.packageName
-            UiThreadHandler.handler.post {
-                // Delay is required to properly do selection
-                selectedItemPosition = timeoutPrefs.getInt(policy.packageName, 0)
-            }
+            selectedItemPosition = timeoutPrefs.getInt(policy.packageName, 0)
 
             // Set timer
             val millis = SECONDS.toMillis(Config.suDefaultTimeout.toLong())
             timer = SuTimer(millis, 1000).apply { start() }
+
+            // Actually show the UI
+            ShowUIEvent().publish()
         }
 
         private inner class SuTimer(

app/src/main/res/layout/activity_request.xml

@@ -109,7 +109,7 @@
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="@dimen/l1"
                 android:gravity="center"
-                android:text="@{viewModel.warningText}"
+                android:text="@string/su_warning"
                 android:textAppearance="@style/AppearanceFoundation.Body"
                 android:textColor="?colorError"
                 android:textStyle="bold"