feat: implement state restoration and fix rotation snap in ExpressivePullToRefresh

- Added onSaveInstanceState/onRestoreInstanceState for persistent refresh state.
- Improved updateIndicatorPosition to prevent immediate rotation snap when refreshing.
- Cleaned up implementation comments.
- Bumped version to v1.0.5.

Author: Netsnake-TN

README.md

@@ -3,7 +3,7 @@
 [![Platform](https://img.shields.io/badge/platform-Android-blue.svg)](https://developer.android.com/)
 [![API](https://img.shields.io/badge/API-26%2B-brightgreen.svg)](https://android-arsenal.com/api?level=26)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
-[![JitPack](https://img.shields.io/badge/JitPack-1.0.4-green.svg)](https://jitpack.io/#Netsnake-TN/ExpressivepullToRefresh)
+[![JitPack](https://img.shields.io/badge/JitPack-1.0.5-green.svg)](https://jitpack.io/#Netsnake-TN/ExpressivepullToRefresh)
 
 A Material Design 3 Expressive Pull-to-Refresh component for Android. Provides two distinct indicator styles with smooth animations, haptic feedback, and seamless integration for all scrollable views.
 
@@ -62,7 +62,7 @@ dependencyResolutionManagement {
 
 ```gradle
 dependencies {
-    implementation 'com.github.Netsnake-TN:ExpressivepullToRefresh:v1.0.4'
+    implementation 'com.github.Netsnake-TN:ExpressivepullToRefresh:v1.0.5'
 }
 ```
 

refresh/build.gradle

@@ -11,7 +11,7 @@ android {
         minSdk 26
         targetSdk 36
         versionCode 1
-        versionName "1.0.4"
+        versionName "1.0.5"
 
         consumerProguardFiles 'consumer-rules.pro'
     }
@@ -51,7 +51,7 @@ afterEvaluate {
             release(MavenPublication) {
                 groupId = 'com.github.Netsnake-TN'
                 artifactId = 'ExpressivepullToRefresh'
-                version = '1.0.4'
+                version = '1.0.5'
                 from components.release
             }
         }

refresh/src/main/java/com/expressive/refresh/ExpressivePullToRefresh.java

@@ -238,10 +238,61 @@ private void setTargetOffsetTop(int offset) {
         invalidate();
     }
 
+    @Override
+    protected android.os.Parcelable onSaveInstanceState() {
+        android.os.Parcelable superState = super.onSaveInstanceState();
+        SavedState ss = new SavedState(superState);
+        ss.mRefreshing = mRefreshing;
+        return ss;
+    }
+
+    @Override
+    protected void onRestoreInstanceState(android.os.Parcelable state) {
+        if (!(state instanceof SavedState)) {
+            super.onRestoreInstanceState(state);
+            return;
+        }
+        SavedState ss = (SavedState) state;
+        super.onRestoreInstanceState(ss.getSuperState());
+        if (ss.mRefreshing) {
+            post(() -> setRefreshing(true, false));
+        }
+    }
+
+    static class SavedState extends BaseSavedState {
+        boolean mRefreshing;
+
+        SavedState(android.os.Parcelable superState) {
+            super(superState);
+        }
+
+        SavedState(android.os.Parcel android) {
+            super(android);
+            mRefreshing = android.readInt() == 1;
+        }
+
+        @Override
+        public void writeToParcel(android.os.Parcel out, int flags) {
+            super.writeToParcel(out, flags);
+            out.writeInt(mRefreshing ? 1 : 0);
+        }
+
+        public static final android.os.Parcelable.Creator<SavedState> CREATOR = new android.os.Parcelable.Creator<SavedState>() {
+            @Override
+            public SavedState createFromParcel(android.os.Parcel in) {
+                return new SavedState(in);
+            }
+
+            @Override
+            public SavedState[] newArray(int size) {
+                return new SavedState[size];
+            }
+        };
+    }
+
     private void updateIndicatorPosition() {
         if (mLoadingIndicator != null) {
             float dragPercent = Math.min(1.5f, (float) mCurrentTargetOffsetTop / mTotalDragDistance);
-            
             float rawScale = Math.min(1f, dragPercent / 0.7f);
             float scale = mRefreshing ? 1f : (float) (Math.pow(rawScale, 2) * (3 - 2 * rawScale));
 
@@ -253,10 +304,8 @@ private void updateIndicatorPosition() {
                 mLoadingIndicator.setRotation(dragPercent * 360f);
                 stopLoadingAnimation();
             } else {
-                mLoadingIndicator.setRotation(0);
                 startLoadingAnimation();
             }
-
             layoutIndicator();
         }
     }