Added (partially) settings screen

Most importantly added design and functionality backing for these items

app/src/main/java/com/topjohnwu/magisk/utils/DataBindingAdapters.kt

@@ -296,18 +296,24 @@ fun TextSwitcher.setTextBinding(text: CharSequence) {
     "android:layout_marginTop",
     "android:layout_marginRight",
     "android:layout_marginBottom",
+    "android:layout_marginStart",
+    "android:layout_marginEnd",
     requireAll = false
 )
 fun View.setMargins(
     marginLeft: Int?,
     marginTop: Int?,
     marginRight: Int?,
-    marginBottom: Int?
+    marginBottom: Int?,
+    marginStart: Int?,
+    marginEnd: Int?
 ) = updateLayoutParams<ViewGroup.MarginLayoutParams> {
     marginLeft?.let { leftMargin = it }
     marginTop?.let { topMargin = it }
     marginRight?.let { rightMargin = it }
     marginBottom?.let { bottomMargin = it }
+    marginStart?.let { this.marginStart = it }
+    marginEnd?.let { this.marginEnd = it }
 }
 
 @BindingAdapter("nestedScrollingEnabled")
@@ -455,9 +461,4 @@ fun View.setRotationNotAnimated(rotation: Int) {
 @BindingAdapter("android:text")
 fun TextView.setTextSafe(text: Int) {
     if (text == 0) this.text = null else setText(text)
-}
-
-@BindingAdapter("android:theme")
-fun View.setThemeCompat(theme: Int) {
-
 }

app/src/main/java/com/topjohnwu/magisk/utils/TransitiveText.kt

@@ -0,0 +1,54 @@
+package com.topjohnwu.magisk.utils
+
+import android.content.res.Resources
+import android.widget.TextView
+import androidx.databinding.BindingAdapter
+import androidx.databinding.InverseBindingAdapter
+
+sealed class TransitiveText {
+
+    abstract val isEmpty: Boolean
+    abstract fun getText(resources: Resources): CharSequence
+
+    // ---
+
+    class String(
+        private val value: CharSequence
+    ) : TransitiveText() {
+
+        override val isEmpty = value.isEmpty()
+        override fun getText(resources: Resources) = value
+
+    }
+
+    class Res(
+        private val value: Int,
+        private vararg val params: Any
+    ) : TransitiveText() {
+
+        override val isEmpty = value == 0
+        override fun getText(resources: Resources) =
+            resources.getString(value, *params)
+
+    }
+
+    // ---
+
+    companion object {
+        val empty = String("")
+    }
+
+}
+
+
+fun Int.asTransitive(vararg params: Any) = TransitiveText.Res(this, *params)
+fun CharSequence.asTransitive() = TransitiveText.String(this)
+
+
+@BindingAdapter("android:text")
+fun TextView.setText(text: TransitiveText) {
+    this.text = text.getText(resources)
+}
+
+@InverseBindingAdapter(attribute = "android:text", event = "android:textAttrChanged")
+fun TextView.getTransitiveText() = text.asTransitive()