Color animations for top-bar (Android)

lib/android/app/src/main/java/com/reactnativenavigation/FeatureToggles.kt

@@ -0,0 +1,60 @@
+package com.reactnativenavigation
+
+import androidx.annotation.VisibleForTesting
+
+enum class RNNToggles {
+    TOP_BAR_COLOR_ANIMATION,
+}
+
+private val ToggleDefaults = mapOf(
+    RNNToggles.TOP_BAR_COLOR_ANIMATION to false
+)
+
+object RNNFeatureToggles {
+    private var init = false
+    private var toggles = mutableMapOf<RNNToggles, Boolean>()
+
+    @JvmStatic
+    fun init() {
+        assertNotInitialized()
+
+        init = true
+        toggles = ToggleDefaults.toMutableMap()
+    }
+
+    @JvmStatic
+    fun init(overrides: Map<RNNToggles, Boolean>) {
+        init()
+        this.toggles.putAll(overrides)
+    }
+
+    @JvmStatic
+    fun init(vararg overrides: Pair<RNNToggles, Boolean>) {
+        init(mapOf(*overrides))
+    }
+
+    @JvmStatic
+    fun isEnabled(toggleName: RNNToggles): Boolean {
+        assertInitialized()
+        return toggles.getOrElse(toggleName) { false }
+    }
+
+    @VisibleForTesting
+    @JvmStatic
+    fun clear() {
+        init = false
+        toggles.clear()
+    }
+
+    private fun assertNotInitialized() {
+        if (init) {
+            throw IllegalStateException("FeatureToggles already initialized")
+        }
+    }
+
+    private fun assertInitialized() {
+        if (!init) {
+            throw IllegalStateException("FeatureToggles not initialized")
+        }
+    }
+}

lib/android/app/src/main/java/com/reactnativenavigation/NavigationApplication.java

@@ -9,6 +9,7 @@
 import com.reactnativenavigation.react.ReactGateway;
 import com.reactnativenavigation.viewcontrollers.externalcomponent.ExternalComponentCreator;
 
+import java.util.Collections;
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
@@ -17,14 +18,23 @@
 
 public abstract class NavigationApplication extends Application implements ReactApplication {
 
-	private ReactGateway reactGateway;
 	public static NavigationApplication instance;
-	final Map<String, ExternalComponentCreator> externalComponents = new HashMap<>();
+
+	private final Map<String, ExternalComponentCreator> externalComponents = new HashMap<>();
+	private ReactGateway reactGateway;
+
+    public NavigationApplication() {
+        this(Collections.emptyMap());
+    }
+
+    public NavigationApplication(Map<RNNToggles, Boolean> featureToggleOverrides) {
+        instance = this;
+        RNNFeatureToggles.init(featureToggleOverrides);
+    }
 
 	@Override
 	public void onCreate() {
 		super.onCreate();
-        instance = this;
         try {
             SoLoader.init(this, OpenSourceMergedSoMapping.INSTANCE);
         } catch (IOException e) {

lib/android/app/src/main/java/com/reactnativenavigation/options/ValueAnimationOptions.kt

@@ -50,9 +50,9 @@ class ValueAnimationOptions {
             to += this.to[animationValueAccessor!!(view)]
         }
         val animator = ObjectAnimator.ofFloat(view,
-                animProp,
-                from,
-                to
+            animProp,
+            from,
+            to
         )
         animator.interpolator = interpolator
         if (duration.hasValue()) animator.duration = duration.get().toLong()

lib/android/app/src/main/java/com/reactnativenavigation/utils/StubAnimationListener.kt

@@ -0,0 +1,19 @@
+package com.reactnativenavigation.utils
+
+import android.animation.Animator
+
+open class StubAnimationListener: Animator.AnimatorListener {
+    override fun onAnimationStart(animation: Animator) {}
+    override fun onAnimationEnd(animation: Animator) {}
+    override fun onAnimationCancel(animation: Animator) {}
+    override fun onAnimationRepeat(animation: Animator) {}
+
+    companion object {
+        @JvmStatic
+        fun onAnimatorEnd(onEnd: (animation: Animator) -> Unit) = object: StubAnimationListener() {
+            override fun onAnimationEnd(animation: Animator) {
+                onEnd(animation)
+            }
+        }
+    }
+}

lib/android/app/src/main/java/com/reactnativenavigation/utils/SystemUiUtils.kt

@@ -121,19 +121,25 @@ object SystemUiUtils {
         @ColorInt color: Int,
         translucent: Boolean
     ) {
-        val opaqueColor = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
-            Color.BLACK
-        }else{
-            val colorAlpha = Color.alpha(color)
-            val alpha = if (translucent && colorAlpha == 255) STATUS_BAR_HEIGHT_TRANSLUCENCY else colorAlpha/255.0f
-            val red: Int = Color.red(color)
-            val green: Int = Color.green(color)
-            val blue: Int = Color.blue(color)
-            Color.argb(ceil(alpha * 255).toInt(), red, green, blue)
-        }
+        val opaqueColor =
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+                Color.BLACK
+            } else {
+                val colorAlpha = Color.alpha(color)
+                val alpha = if (translucent && colorAlpha == 255) STATUS_BAR_HEIGHT_TRANSLUCENCY else colorAlpha/255.0f
+                val red: Int = Color.red(color)
+                val green: Int = Color.green(color)
+                val blue: Int = Color.blue(color)
+                Color.argb(ceil(alpha * 255).toInt(), red, green, blue)
+            }
         window?.statusBarColor = opaqueColor
     }
 
+    @JvmStatic
+    fun getStatusBarColor(window: Window?): Int? {
+        return window?.statusBarColor
+    }
+
     @JvmStatic
     fun hideStatusBar(window: Window?, view: View) {
         window?.let {

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/bottomtabs/BottomTabsAnimator.kt

@@ -1,9 +1,9 @@
 package com.reactnativenavigation.viewcontrollers.bottomtabs
 
-import com.reactnativenavigation.views.animations.BaseViewAnimator
+import com.reactnativenavigation.views.animations.BaseViewAppearanceAnimator
 import com.reactnativenavigation.views.bottomtabs.BottomTabs
 
-class BottomTabsAnimator(view: BottomTabs? = null) : BaseViewAnimator<BottomTabs>(HideDirection.Down, view) {
+class BottomTabsAnimator(view: BottomTabs? = null) : BaseViewAppearanceAnimator<BottomTabs>(HideDirection.Down, view) {
     override fun onShowAnimationEnd() {
         view.restoreBottomNavigation(false)
     }

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/child/ChildController.java

@@ -2,30 +2,23 @@
 
 import android.app.Activity;
 import android.content.res.Configuration;
-import android.os.Build;
-import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.WindowInsets;
+
+import androidx.annotation.CallSuper;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
 
 import com.reactnativenavigation.options.Options;
-import com.reactnativenavigation.utils.LogKt;
-import com.reactnativenavigation.viewcontrollers.parent.ParentController;
-import com.reactnativenavigation.viewcontrollers.viewcontroller.Presenter;
-import com.reactnativenavigation.viewcontrollers.viewcontroller.NoOpYellowBoxDelegate;
 import com.reactnativenavigation.viewcontrollers.navigator.Navigator;
+import com.reactnativenavigation.viewcontrollers.viewcontroller.NoOpYellowBoxDelegate;
+import com.reactnativenavigation.viewcontrollers.viewcontroller.Presenter;
 import com.reactnativenavigation.viewcontrollers.viewcontroller.ViewController;
 import com.reactnativenavigation.viewcontrollers.viewcontroller.overlay.ViewControllerOverlay;
 import com.reactnativenavigation.views.component.Component;
 
-import androidx.annotation.CallSuper;
-import androidx.core.graphics.Insets;
-import androidx.core.view.ViewCompat;
-import androidx.core.view.WindowCompat;
-import androidx.core.view.WindowInsetsCompat;
-
 public abstract class ChildController<T extends ViewGroup> extends ViewController<T> {
-    private final Presenter presenter;
+    protected final Presenter presenter;
     private final ChildControllersRegistry childRegistry;
 
     public ChildControllersRegistry getChildRegistry() {

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/component/ComponentViewController.java

@@ -1,28 +1,29 @@
 package com.reactnativenavigation.viewcontrollers.component;
 
+import static com.reactnativenavigation.utils.ObjectUtils.perform;
+
+import android.animation.Animator;
 import android.app.Activity;
 import android.content.res.Configuration;
 import android.view.View;
 
-import com.reactnativenavigation.utils.LogKt;
-import com.reactnativenavigation.viewcontrollers.viewcontroller.ScrollEventListener;
-import com.reactnativenavigation.options.Options;
-import com.reactnativenavigation.viewcontrollers.viewcontroller.Presenter;
-import com.reactnativenavigation.utils.SystemUiUtils;
-import com.reactnativenavigation.viewcontrollers.viewcontroller.ReactViewCreator;
-import com.reactnativenavigation.viewcontrollers.child.ChildController;
-import com.reactnativenavigation.viewcontrollers.child.ChildControllersRegistry;
-import com.reactnativenavigation.viewcontrollers.viewcontroller.ViewController;
-import com.reactnativenavigation.views.component.ComponentLayout;
-
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 
-import static com.reactnativenavigation.utils.ObjectUtils.perform;
+import com.reactnativenavigation.options.Options;
+import com.reactnativenavigation.utils.SystemUiUtils;
+import com.reactnativenavigation.viewcontrollers.child.ChildController;
+import com.reactnativenavigation.viewcontrollers.child.ChildControllersRegistry;
+import com.reactnativenavigation.viewcontrollers.stack.statusbar.StatusBarController;
+import com.reactnativenavigation.viewcontrollers.viewcontroller.Presenter;
+import com.reactnativenavigation.viewcontrollers.viewcontroller.ReactViewCreator;
+import com.reactnativenavigation.viewcontrollers.viewcontroller.ScrollEventListener;
+import com.reactnativenavigation.views.component.ComponentLayout;
 
-public class ComponentViewController extends ChildController<ComponentLayout> {
+public class ComponentViewController extends ChildController<ComponentLayout> implements StatusBarController {
     private final String componentName;
     private final ComponentPresenter presenter;
     private final ReactViewCreator viewCreator;
@@ -64,6 +65,29 @@ public void setDefaultOptions(Options defaultOptions) {
         presenter.setDefaultOptions(defaultOptions);
     }
 
+    @Override
+    public StatusBarController getStatusBarController() {
+        return this;
+    }
+
+    @Nullable
+    @Override
+    public Animator getStatusBarPushAnimation(@NonNull Options appearingOptions) {
+        if (super.presenter != null) {
+            return super.presenter.getStatusBarPushAnimation(appearingOptions);
+        }
+        return null;
+    }
+
+    @Nullable
+    @Override
+    public Animator getStatusBarPopAnimation(@NonNull Options appearingOptions, @NonNull Options disappearingOptions) {
+        if (super.presenter != null) {
+            return super.presenter.getStatusBarPopAnimation(appearingOptions, disappearingOptions);
+        }
+        return null;
+    }
+
     @Override
     public ScrollEventListener getScrollEventListener() {
         return perform(view, null, ComponentLayout::getScrollEventListener);

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/stack/StackController.java

@@ -159,16 +159,19 @@ public void push(ViewController<?> child, CommandListener listener) {
             listener.onError("A stack can't contain two children with the same id: " + child.getId());
             return;
         }
-        final ViewController<?> toRemove = stack.peek();
-        if (size() > 0) backButtonHelper.addToPushedChild(child);
-        child.setParentController(this);
-        stack.push(child.getId(), child);
-        if (!isViewCreated()) return;
+
+        final ViewController<?> toRemove = pushChildToStack(child);
+
+        if (!isViewCreated()) {
+            return;
+        }
+
         Options resolvedOptions = resolveCurrentOptions(presenter.getDefaultOptions());
-        addChildToStack(child, resolvedOptions);
+        updateChildLayout(child, resolvedOptions);
+
         if (toRemove != null) {
-            StackAnimationOptions animation = resolvedOptions.animations.push;
-            if (animation.enabled.isTrueOrUndefined()) {
+            StackAnimationOptions animOptions = resolvedOptions.animations.push;
+            if (animOptions.enabled.isTrueOrUndefined()) {
                 animator.push(
                         child,
                         toRemove,
@@ -195,7 +198,17 @@ private void onPushAnimationComplete(ViewController<?> toAdd, ViewController<?>
         listener.onSuccess(toAdd.getId());
     }
 
-    private void addChildToStack(ViewController<?> child, Options resolvedOptions) {
+    private ViewController<?> pushChildToStack(ViewController<?> child) {
+        final ViewController<?> toRemove = stack.peek();
+
+        if (size() > 0) backButtonHelper.addToPushedChild(child);
+
+        child.setParentController(this);
+        stack.push(child.getId(), child);
+        return toRemove;
+    }
+
+    private void updateChildLayout(ViewController<?> child, Options resolvedOptions) {
         child.setWaitForRender(resolvedOptions.animations.push.waitForRender);
         if (size() == 1) presenter.applyInitialChildLayoutOptions(resolvedOptions);
         getView().addView(child.getView(), getView().getChildCount() - 1, matchParentWithBehaviour(new StackBehaviour(this)));
@@ -222,7 +235,7 @@ public void setRoot(@Size(min = 1) List<ViewController<?>> children, CommandList
         child.setParentController(this);
         stack.push(child.getId(), child);
         Options resolvedOptions = resolveCurrentOptions(presenter.getDefaultOptions());
-        addChildToStack(child, resolvedOptions);
+        updateChildLayout(child, resolvedOptions);
 
         CommandListener listenerAdapter = new CommandListenerAdapter() {
             @Override
@@ -316,7 +329,7 @@ public void pop(Options mergeOptions, CommandListener listener) {
                     appearing,
                     disappearing,
                     disappearingOptions,
-                    presenter.getAdditionalPopAnimations(appearingOptions, disappearingOptions),
+                    presenter.getAdditionalPopAnimations(appearingOptions, disappearingOptions, appearing),
                     () -> finishPopping(appearing, disappearing, listener)
             );
         } else {