Added text switchers for descriptions

app/src/main/java/com/topjohnwu/magisk/redesign/home/HomeViewModel.kt

@@ -1,9 +1,13 @@
 package com.topjohnwu.magisk.redesign.home
 
+import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.redesign.compat.CompatViewModel
 
 class HomeViewModel : CompatViewModel() {
 
+    val stateTextMagisk = KObservableField("is up to date")
+    val stateTextManager = KObservableField("is up to date")
+
     fun onDeletePressed() {}
 
 }

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

@@ -1,7 +1,9 @@
 package com.topjohnwu.magisk.utils
 
 import android.view.View
+import android.widget.TextSwitcher
 import android.widget.TextView
+import android.widget.ViewSwitcher
 import androidx.annotation.ColorInt
 import androidx.annotation.DrawableRes
 import androidx.appcompat.widget.AppCompatImageView
@@ -245,4 +247,22 @@ fun View.setOnSelectClickListener(listener: View.OnClickListener, resetTime: Lon
             }
         }
     }
+}
+
+@BindingAdapter("textCaptionVariant")
+fun TextSwitcher.setTextBinding(text: CharSequence) {
+    tag as? ViewSwitcher.ViewFactory ?: ViewSwitcher.ViewFactory {
+        View.inflate(context, R.layout.swicher_caption_variant, null)
+    }.also {
+        tag = it
+        setFactory(it)
+        setInAnimation(context, R.anim.switcher_bottom_up)
+        setOutAnimation(context, R.anim.switcher_center_up)
+    }
+
+
+    val currentText = (currentView as? TextView)?.text
+    if (currentText != text) {
+        setText(text)
+    }
 }

app/src/main/res/anim/switcher_bottom_up.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="@android:integer/config_shortAnimTime">
+    <translate
+        android:fromYDelta="100%"
+        android:toYDelta="0%" />
+    <alpha
+        android:fromAlpha="0"
+        android:toAlpha="1" />
+</set>

app/src/main/res/anim/switcher_center_up.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="@android:integer/config_shortAnimTime">
+    <translate
+        android:fromYDelta="0%"
+        android:toYDelta="-100%" />
+    <alpha
+        android:fromAlpha="1"
+        android:toAlpha="0" />
+</set>

app/src/main/res/layout/fragment_home_md2.xml

@@ -41,7 +41,7 @@
                         style="?styleIconPrimary"
                         onSelectClick="@{() -> viewModel.onDeletePressed()}"
                         onSelectReset="@{10000L}"
-                        android:padding="@dimen/l_50"
+                        android:padding="@dimen/l_25"
                         app:layout_constraintStart_toStartOf="parent"
                         app:layout_constraintTop_toTopOf="parent"
                         app:srcCompat="@drawable/ic_magisk_delete"
@@ -60,12 +60,11 @@
                         app:layout_constraintTop_toTopOf="parent"
                         app:layout_constraintVertical_chainStyle="packed" />
 
-                    <androidx.appcompat.widget.AppCompatTextView
+                    <TextSwitcher
                         android:id="@+id/status1"
+                        textCaptionVariant="@{viewModel.stateTextMagisk}"
                         android:layout_width="0dp"
                         android:layout_height="wrap_content"
-                        android:text="is up to date"
-                        android:textAppearance="?appearanceTextCaptionVariant"
                         app:layout_constraintBottom_toBottomOf="@+id/icon1"
                         app:layout_constraintEnd_toEndOf="@+id/title1"
                         app:layout_constraintStart_toStartOf="@+id/title1"
@@ -135,12 +134,11 @@
                         app:layout_constraintTop_toTopOf="parent"
                         app:layout_constraintVertical_chainStyle="packed" />
 
-                    <androidx.appcompat.widget.AppCompatTextView
+                    <TextSwitcher
                         android:id="@+id/status2"
+                        textCaptionVariant="@{viewModel.stateTextManager}"
                         android:layout_width="0dp"
                         android:layout_height="wrap_content"
-                        android:text="has update available!"
-                        android:textAppearance="?appearanceTextCaptionVariant"
                         app:layout_constraintBottom_toBottomOf="@+id/icon2"
                         app:layout_constraintEnd_toEndOf="@+id/title2"
                         app:layout_constraintStart_toStartOf="@+id/title2"

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.appcompat.widget.AppCompatTextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:textAppearance="?appearanceTextCaptionVariant" />