Respect system animation setting

Co-authored-by: Alexander Bakker <ab@alexbakker.me>

app/src/main/java/com/beemdevelopment/aegis/helpers/AnimationsHelper.java

@@ -0,0 +1,54 @@
+package com.beemdevelopment.aegis.helpers;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+import android.view.animation.LayoutAnimationController;
+
+public class AnimationsHelper {
+    private AnimationsHelper() {
+
+    }
+
+    public static Animation loadScaledAnimation(Context context, int animationResId) {
+        return loadScaledAnimation(context, animationResId, Scale.ANIMATOR);
+    }
+
+    public static Animation loadScaledAnimation(Context context, int animationResId, Scale scale) {
+        Animation animation = AnimationUtils.loadAnimation(context, animationResId);
+        long newDuration = (long) (animation.getDuration() * scale.getValue(context));
+        animation.setDuration(newDuration);
+        return animation;
+    }
+
+    public static LayoutAnimationController loadScaledLayoutAnimation(Context context, int animationResId) {
+        return loadScaledLayoutAnimation(context, animationResId, Scale.ANIMATOR);
+    }
+
+    public static LayoutAnimationController loadScaledLayoutAnimation(Context context, int animationResId, Scale scale) {
+        LayoutAnimationController controller = AnimationUtils.loadLayoutAnimation(context, animationResId);
+        Animation animation = controller.getAnimation();
+        animation.setDuration((long) (animation.getDuration() * scale.getValue(context)));
+        return controller;
+    }
+
+    public enum Scale {
+        ANIMATOR(Settings.Global.ANIMATOR_DURATION_SCALE),
+        TRANSITION(Settings.Global.TRANSITION_ANIMATION_SCALE);
+
+        private final String _setting;
+
+        Scale(String setting) {
+            _setting = setting;
+        }
+
+        public float getValue(Context context) {
+            return Settings.Global.getFloat(context.getContentResolver(), _setting, 1.0f);
+        }
+
+        public boolean isZero(Context context) {
+            return getValue(context) == 0;
+        }
+    }
+}

app/src/main/java/com/beemdevelopment/aegis/ui/EditEntryActivity.java

@@ -33,6 +33,7 @@ import com.beemdevelopment.aegis.R;
 import com.beemdevelopment.aegis.encoding.Base32;
 import com.beemdevelopment.aegis.encoding.EncodingException;
 import com.beemdevelopment.aegis.encoding.Hex;
+import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.helpers.DropdownHelper;
 import com.beemdevelopment.aegis.helpers.EditTextHelper;
 import com.beemdevelopment.aegis.helpers.IconViewHelper;
@@ -376,12 +377,12 @@ public class EditEntryActivity extends AegisActivity {
     private void openAdvancedSettings() {
         Animation fadeOut = new AlphaAnimation(1, 0);
         fadeOut.setInterpolator(new AccelerateInterpolator());
-        fadeOut.setDuration(220);
+        fadeOut.setDuration(220 * (long) AnimationsHelper.Scale.ANIMATOR.getValue(this));
         _advancedSettingsHeader.startAnimation(fadeOut);
 
         Animation fadeIn = new AlphaAnimation(0, 1);
         fadeIn.setInterpolator(new AccelerateInterpolator());
-        fadeIn.setDuration(250);
+        fadeIn.setDuration(250 * (long) AnimationsHelper.Scale.ANIMATOR.getValue(this));
 
         fadeOut.setAnimationListener(new SimpleAnimationEndListener((a) -> {
             _advancedSettingsHeader.setVisibility(View.GONE);

app/src/main/java/com/beemdevelopment/aegis/ui/fragments/preferences/IconPacksManagerFragment.java

@@ -6,16 +6,19 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.text.method.LinkMovementMethod;
 import android.view.View;
+import android.view.animation.Animation;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.beemdevelopment.aegis.R;
+import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.helpers.FabScrollHelper;
 import com.beemdevelopment.aegis.icons.IconPack;
 import com.beemdevelopment.aegis.icons.IconPackException;
@@ -81,6 +84,16 @@ public class IconPacksManagerFragment extends Fragment implements IconPackAdapte
         updateEmptyState();
     }
 
+    @Override
+    @Nullable
+    public Animation onCreateAnimation(int transit, boolean enter, int nextAnim) {
+        if (nextAnim != 0) {
+            return AnimationsHelper.loadScaledAnimation(requireContext(), nextAnim, AnimationsHelper.Scale.TRANSITION);
+        }
+
+        return super.onCreateAnimation(transit, enter, nextAnim);
+    }
+
     @Override
     public void onRemoveIconPack(IconPack pack) {
         Dialogs.showSecureDialog(new AlertDialog.Builder(requireContext())

app/src/main/java/com/beemdevelopment/aegis/ui/fragments/preferences/PreferencesFragment.java

@@ -3,14 +3,17 @@ package com.beemdevelopment.aegis.ui.fragments.preferences;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
+import android.view.animation.Animation;
 
 import androidx.annotation.CallSuper;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 
 import com.beemdevelopment.aegis.Preferences;
 import com.beemdevelopment.aegis.R;
+import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.ui.dialogs.Dialogs;
 import com.beemdevelopment.aegis.vault.VaultManager;
 import com.beemdevelopment.aegis.vault.VaultRepositoryException;
@@ -62,6 +65,16 @@ public abstract class PreferencesFragment extends PreferenceFragmentCompat {
         return _result;
     }
 
+    @Override
+    @Nullable
+    public Animation onCreateAnimation(int transit, boolean enter, int nextAnim) {
+        if (nextAnim != 0) {
+            return AnimationsHelper.loadScaledAnimation(requireContext(), nextAnim, AnimationsHelper.Scale.TRANSITION);
+        }
+
+        return super.onCreateAnimation(transit, enter, nextAnim);
+    }
+
     public void setResult(Intent result) {
         _result = result;
         requireActivity().setResult(Activity.RESULT_OK, _result);

app/src/main/java/com/beemdevelopment/aegis/ui/intro/IntroBaseActivity.java

@@ -14,6 +14,7 @@ import androidx.viewpager2.adapter.FragmentStateAdapter;
 import androidx.viewpager2.widget.ViewPager2;
 
 import com.beemdevelopment.aegis.R;
+import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.ui.AegisActivity;
 
 import java.lang.ref.WeakReference;
@@ -135,7 +136,10 @@ public abstract class IntroBaseActivity extends AegisActivity implements IntroAc
         Class<? extends SlideFragment> newSlide = _slides.get(pos);
 
         if (!onBeforeSlideChanged(oldSlide, newSlide)) {
-            _pager.setCurrentItem(pos);
+            // We can't easily control the speed of the smooth scroll animation, but we
+            // can at least disable it if animations are disabled
+            boolean smoothScroll = !AnimationsHelper.Scale.TRANSITION.isZero(this);
+            _pager.setCurrentItem(pos, smoothScroll);
         }
         onAfterSlideChanged(oldSlide, newSlide);
 

app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryHolder.java

@@ -4,7 +4,6 @@ import android.graphics.PorterDuff;
 import android.os.Handler;
 import android.view.View;
 import android.view.animation.Animation;
-import android.view.animation.AnimationUtils;
 import android.widget.ImageView;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
@@ -17,6 +16,7 @@ import com.beemdevelopment.aegis.AccountNamePosition;
 import com.beemdevelopment.aegis.Preferences;
 import com.beemdevelopment.aegis.R;
 import com.beemdevelopment.aegis.ViewMode;
+import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.helpers.IconViewHelper;
 import com.beemdevelopment.aegis.helpers.TextDrawableHelper;
 import com.beemdevelopment.aegis.helpers.ThemeHelper;
@@ -91,8 +91,8 @@ public class EntryHolder extends RecyclerView.ViewHolder {
         _progressBar.getProgressDrawable().setColorFilter(primaryColorId, PorterDuff.Mode.SRC_IN);
         _view.setBackground(_view.getContext().getResources().getDrawable(R.color.card_background));
 
-        _scaleIn = AnimationUtils.loadAnimation(view.getContext(), R.anim.item_scale_in);
+        _scaleIn = AnimationsHelper.loadScaledAnimation(view.getContext(), R.anim.item_scale_in);
-        _scaleOut = AnimationUtils.loadAnimation(view.getContext(), R.anim.item_scale_out);
+        _scaleOut = AnimationsHelper.loadScaledAnimation(view.getContext(), R.anim.item_scale_out);
 
         _refresher = new UiRefresher(new UiRefresher.Listener() {
             @Override
@@ -379,10 +379,10 @@ public class EntryHolder extends RecyclerView.ViewHolder {
     public void animateCopyText(boolean includeSlideAnimation) {
         _animationHandler.removeCallbacksAndMessages(null);
 
-        Animation slideDownFadeIn = AnimationUtils.loadAnimation(itemView.getContext(), R.anim.slide_down_fade_in);
+        Animation slideDownFadeIn = AnimationsHelper.loadScaledAnimation(itemView.getContext(), R.anim.slide_down_fade_in);
-        Animation slideDownFadeOut = AnimationUtils.loadAnimation(itemView.getContext(), R.anim.slide_down_fade_out);
+        Animation slideDownFadeOut = AnimationsHelper.loadScaledAnimation(itemView.getContext(), R.anim.slide_down_fade_out);
-        Animation fadeOut = AnimationUtils.loadAnimation(itemView.getContext(), R.anim.fade_out);
+        Animation fadeOut = AnimationsHelper.loadScaledAnimation(itemView.getContext(), R.anim.fade_out);
-        Animation fadeIn = AnimationUtils.loadAnimation(itemView.getContext(), R.anim.fade_in);
+        Animation fadeIn = AnimationsHelper.loadScaledAnimation(itemView.getContext(), R.anim.fade_in);
 
         if (includeSlideAnimation) {
             _profileCopied.startAnimation(slideDownFadeIn);

app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryListView.java

@@ -10,7 +10,6 @@ import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.animation.AnimationUtils;
 import android.view.animation.LayoutAnimationController;
 import android.widget.Button;
 import android.widget.LinearLayout;
@@ -30,6 +29,7 @@ import com.beemdevelopment.aegis.Preferences;
 import com.beemdevelopment.aegis.R;
 import com.beemdevelopment.aegis.SortCategory;
 import com.beemdevelopment.aegis.ViewMode;
+import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.helpers.MetricsHelper;
 import com.beemdevelopment.aegis.helpers.SimpleItemTouchHelperCallback;
 import com.beemdevelopment.aegis.helpers.ThemeHelper;
@@ -101,6 +101,7 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
 
         // set up the recycler view
         _recyclerView = view.findViewById(R.id.rvKeyProfiles);
+        _recyclerView.setItemAnimator(null);
         _recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
             @Override
             public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
@@ -141,10 +142,6 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
         _touchHelper.attachToRecyclerView(_recyclerView);
         _recyclerView.setAdapter(_adapter);
 
-        int resId = R.anim.layout_animation_fall_down;
-        LayoutAnimationController animation = AnimationUtils.loadLayoutAnimation(requireContext(), resId);
-        _recyclerView.setLayoutAnimation(animation);
-
         _refresher = new UiRefresher(new UiRefresher.Listener() {
             @Override
             public void onRefresh() {
@@ -386,14 +383,26 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
         if (focusEntry && position >= 0) {
             if ((_recyclerView.canScrollVertically(1) && position > layoutManager.findLastCompletelyVisibleItemPosition())
                     || (_recyclerView.canScrollVertically(-1) && position < layoutManager.findFirstCompletelyVisibleItemPosition())) {
+                boolean smoothScroll = !AnimationsHelper.Scale.TRANSITION.isZero(requireContext());
                 RecyclerView.OnScrollListener scrollListener = new RecyclerView.OnScrollListener() {
-                    @Override
+                    private void handleScroll() {
-                    public void onScrollStateChanged(@NonNull RecyclerView recyclerView, int newState) {
-                        if (newState == RecyclerView.SCROLL_STATE_IDLE) {
                         _recyclerView.removeOnScrollListener(this);
                         _recyclerView.setOnTouchListener(null);
                         tempHighlightEntry(entry);
                     }
+
+                    @Override
+                    public void onScrollStateChanged(@NonNull RecyclerView recyclerView, int newState) {
+                        if (smoothScroll && newState == RecyclerView.SCROLL_STATE_IDLE) {
+                            handleScroll();
+                        }
+                    }
+
+                    @Override
+                    public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                        if (!smoothScroll) {
+                            handleScroll();
+                        }
                     }
                 };
                 _recyclerView.addOnScrollListener(scrollListener);
@@ -406,7 +415,13 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
 
                     return false;
                 });
+                // We can't easily control the speed of the smooth scroll animation, but we
+                // can at least disable it if animations are disabled
+                if (smoothScroll) {
                     _recyclerView.smoothScrollToPosition(position);
+                } else {
+                    _recyclerView.scrollToPosition(position);
+                }
             } else {
                 tempHighlightEntry(entry);
             }
@@ -444,10 +459,9 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
     }
 
     public void runEntriesAnimation() {
-        final LayoutAnimationController controller =
+        LayoutAnimationController animationController = AnimationsHelper.loadScaledLayoutAnimation(requireContext(), R.anim.layout_animation_fall_down);
-                AnimationUtils.loadLayoutAnimation(requireContext(), R.anim.layout_animation_fall_down);
 
-        _recyclerView.setLayoutAnimation(controller);
+        _recyclerView.setLayoutAnimation(animationController);
         _recyclerView.scheduleLayoutAnimation();
     }
 

app/src/main/java/com/beemdevelopment/aegis/ui/views/TotpProgressBar.java

@@ -4,13 +4,13 @@ import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.os.Build;
 import android.os.Handler;
-import android.provider.Settings;
 import android.util.AttributeSet;
 import android.view.animation.LinearInterpolator;
 import android.widget.ProgressBar;
 
 import androidx.annotation.RequiresApi;
 
+import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.otp.TotpInfo;
 
 public class TotpProgressBar extends ProgressBar {
@@ -42,7 +42,7 @@ public class TotpProgressBar extends ProgressBar {
     public void start() {
         stop();
         _handler = new Handler();
-        _animDurationScale = Settings.Global.getFloat(getContext().getContentResolver(), Settings.Global.ANIMATOR_DURATION_SCALE, 1.0f);
+        _animDurationScale = AnimationsHelper.Scale.ANIMATOR.getValue(getContext());
         refresh();
     }
 

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

@@ -39,7 +39,6 @@
         android:layout_height="0dp"
         android:scrollbars="vertical"
         android:id="@+id/rvKeyProfiles"
-        android:layoutAnimation="@anim/layout_animation_fall_down"
         android:layout_weight="1"/>
 
     <LinearLayout