Improve annotation & implement shared element transition

README.md

@@ -61,9 +61,9 @@ You can use this `FragmentRigger` with one line annotation.
 - [x] **Option to configure fragment tag**
 - [x] **Add `onBackPressed` method support for the fragment that is not added into stack**
 - [ ] **Option to configure fragment launch mode**
-- [ ] **Fragment shared elements transition animations**
+- [x] **Fragment shared elements transition animations**
 - [ ] **Swipe edge to exit Fragment/Activity**
-- [ ] **Support DialogFragment**
+- [ ] **Support DialogFragment** [WIP]
 
 ### Problem solved
 * ~~Fragment view overlapping~~

fragment-rigger/src/main/java/com/jkb/fragment/rigger/annotation/Puppet.java

@@ -54,4 +54,15 @@
    * @return The default value is false.
    */
   boolean stickyStack() default false;
+
+  /**
+   * Allow or not exit the host {@link android.app.Activity}/{@link android.support.v4.app.Fragment} when
+   * the stack size = 0
+   *
+   * If the value is true , the host object(Activity/Fragment) will not be exit
+   * Otherwise , the host object(Activity/Fragment) will act as normal.
+   *
+   * @return The default value is true.
+   */
+  boolean closeIfEmpty() default true;
 }

fragment-rigger/src/main/java/com/jkb/fragment/rigger/helper/SharedElement.java

@@ -0,0 +1,20 @@
+package com.jkb.fragment.rigger.helper;
+
+import android.support.v4.view.ViewCompat;
+import android.view.View;
+
+import java.lang.ref.WeakReference;
+
+public class SharedElement {
+    public WeakReference<View> referenceView;
+    public String transactionName;
+    public static SharedElement create(View refView, String transName){
+        SharedElement sharedElement = new SharedElement();
+        sharedElement.referenceView = new WeakReference<>(refView);
+        sharedElement.transactionName = transName;
+        return sharedElement;
+    }
+    public static SharedElement create(View refView){
+        return create(refView, ViewCompat.getTransitionName(refView));
+    }
+}