feat: Add AnimationUtils for Safe Display Mode support

Author: sanjaysargam

AnkiDroid/src/main/java/com/ichi2/anki/DeckPickerFloatingActionMenu.kt

@@ -18,7 +18,6 @@ package com.ichi2.anki
 import android.animation.Animator
 import android.content.Context
 import android.content.res.ColorStateList
-import android.provider.Settings
 import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.View
@@ -27,6 +26,7 @@ import android.widget.TextView
 import com.google.android.material.color.MaterialColors
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import com.ichi2.anki.ui.DoubleTapListener
+import com.ichi2.anki.utils.AnimationUtils.areSystemAnimationsEnabled
 import timber.log.Timber
 
 class DeckPickerFloatingActionMenu(
@@ -79,7 +79,7 @@ class DeckPickerFloatingActionMenu(
                 /**
                  * If system animations are true changes the FAB color otherwise it remains the same
                  */
-                if (areSystemAnimationsEnabled()) {
+                if (areSystemAnimationsEnabled(context)) {
                     fabMain.backgroundTintList = ColorStateList.valueOf(fabPressedColor)
                 } else {
                     // Changes the background color of FAB
@@ -327,35 +327,6 @@ class DeckPickerFloatingActionMenu(
         }
     }
 
-    /**
-     * This function returns false if any of the mentioned system animations are disabled (0f)
-     *
-     * ANIMATION_DURATION_SCALE - controls app switching animation speed.
-     * TRANSITION_ANIMATION_SCALE - controls app window opening and closing animation speed
-     * WINDOW_ANIMATION_SCALE - controls pop-up window opening and closing animation speed
-     */
-    private fun areSystemAnimationsEnabled(): Boolean {
-        val animDuration: Float =
-            Settings.Global.getFloat(
-                context.contentResolver,
-                Settings.Global.ANIMATOR_DURATION_SCALE,
-                1f,
-            )
-        val animTransition: Float =
-            Settings.Global.getFloat(
-                context.contentResolver,
-                Settings.Global.TRANSITION_ANIMATION_SCALE,
-                1f,
-            )
-        val animWindow: Float =
-            Settings.Global.getFloat(
-                context.contentResolver,
-                Settings.Global.WINDOW_ANIMATION_SCALE,
-                1f,
-            )
-        return animDuration != 0f && animTransition != 0f && animWindow != 0f
-    }
-
     private fun createActivationKeyListener(
         logMessage: String,
         action: () -> Unit,

AnkiDroid/src/main/java/com/ichi2/anki/utils/AnimationUtils.kt

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2025 Sanjay Sargam <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.ichi2.anki.utils
+
+import android.content.Context
+import android.provider.Settings
+
+/**
+ * Utility class for animation-related helper functions
+ */
+object AnimationUtils {
+    /**
+     * Checks if system animations are enabled by verifying all animation scale settings.
+     *
+     * This function returns false if any of the mentioned system animations are disabled (0f),
+     * which addresses safe display mode and accessibility concerns.
+     *
+     * ANIMATION_DURATION_SCALE - controls app switching animation speed.
+     * TRANSITION_ANIMATION_SCALE - controls app window opening and closing animation speed
+     * WINDOW_ANIMATION_SCALE - controls pop-up window opening and closing animation speed
+     *
+     * @param context The context used to access system settings
+     * @return true if all animation scales are non-zero, false otherwise
+     */
+    fun areSystemAnimationsEnabled(context: Context): Boolean =
+        try {
+            val animDuration =
+                Settings.Global.getFloat(
+                    context.contentResolver,
+                    Settings.Global.ANIMATOR_DURATION_SCALE,
+                    1f,
+                )
+            val animTransition =
+                Settings.Global.getFloat(
+                    context.contentResolver,
+                    Settings.Global.TRANSITION_ANIMATION_SCALE,
+                    1f,
+                )
+            val animWindow =
+                Settings.Global.getFloat(
+                    context.contentResolver,
+                    Settings.Global.WINDOW_ANIMATION_SCALE,
+                    1f,
+                )
+            animDuration != 0f && animTransition != 0f && animWindow != 0f
+        } catch (e: Exception) {
+            true // Default to animations enabled if unable to read settings
+        }
+}