ADD week 5

02-Easy5/E5/sources/com/google/android/material/animation/DrawableAlphaProperty.java

@@ -0,0 +1,26 @@
+package com.google.android.material.animation;
+
+import android.graphics.drawable.Drawable;
+import android.util.Property;
+import java.util.WeakHashMap;
+
+/* loaded from: classes.dex */
+public class DrawableAlphaProperty extends Property<Drawable, Integer> {
+    public static final Property<Drawable, Integer> DRAWABLE_ALPHA_COMPAT = new DrawableAlphaProperty();
+    private final WeakHashMap<Drawable, Integer> alphaCache;
+
+    private DrawableAlphaProperty() {
+        super(Integer.class, "drawableAlphaCompat");
+        this.alphaCache = new WeakHashMap<>();
+    }
+
+    @Override // android.util.Property
+    public Integer get(Drawable drawable) {
+        return Integer.valueOf(drawable.getAlpha());
+    }
+
+    @Override // android.util.Property
+    public void set(Drawable drawable, Integer num) {
+        drawable.setAlpha(num.intValue());
+    }
+}