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app/src/main/java/com/ckkj/water/utils/ViewShowOrHideAnimate.java

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+package com.ckkj.water.utils;
+
+import android.view.View;
+import android.view.animation.AccelerateInterpolator;
+import android.view.animation.DecelerateInterpolator;
+
+/**
+ * @Description TODO
+ * @systemUser 86133
+ * @Author FengJingQi
+ * @Date 04-18-2025 周五 11:12
+ */
+
+public class ViewShowOrHideAnimate {
+
+    public static void showOptionsLayout(View view) {
+        if (view.getHeight() == 0) {
+            // View还没测量好，post到下一帧去执行
+            view.post(new Runnable() {
+                @Override
+                public void run() {
+                    startShowAnim(view);
+                }
+            });
+        } else {
+            startShowAnim(view);
+        }
+    }
+
+    public static void startShowAnim(View view) {
+        view.setVisibility(View.VISIBLE);
+        view.setAlpha(0f);
+        view.setTranslationY(100); // 100px下移初始
+
+        view.animate()
+                .translationY(0)
+                .setDuration(300)
+                .setInterpolator(new DecelerateInterpolator()) // 出现时慢慢减速
+                .start();
+    }
+
+    public static void hideOptionsLayout(View view) {
+        view.animate()
+                .translationY(100) // 往下移
+                .setDuration(300)
+                .setInterpolator(new AccelerateInterpolator()) // 消失时加速离开
+                .withEndAction(new Runnable() {
+                    @Override
+                    public void run() {
+                        view.setVisibility(View.GONE);
+                    }
+                })
+                .start();
+    }
+
+}