update uiunfold

androidx-lib/src/androidx/dynamicanimation/animation/FrameCallbackScheduler.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.dynamicanimation.animation;
+
+
+import androidx.annotation.NonNull;
+
+/**
+ * A scheduler that runs the given Runnable on the next frame.
+ */
+public interface FrameCallbackScheduler {
+    /**
+     * Callbacks on new frame arrived.
+     *
+     * @param frameCallback The runnable of new frame should be posted
+     */
+    void postFrameCallback(@NonNull Runnable frameCallback);
+
+    /**
+     * Returns whether the current thread is the same as the thread that the scheduler is
+     * running on.
+     *
+     * @return true if the scheduler is running on the same thread as the current thread.
+     */
+    boolean isCurrentThread();
+}