Add curved motion to Transitions.

Bug 15197527

Added two public PathMotions: PatternMotion and ArcMotion.
ArcMotion is the algorithm provided by UX. PatternMotion
provides a mechanism for using a Path as a pattern.

Change-Id: Ie57fd5f4e62269acc1164eced39853a12c52bd77

1 files changed, 12 insertions, 0 deletions

diff --git a/core/java/android/transition/Fade.java b/core/java/android/transition/Fade.java
index 71559dab076f..420c2488d069 100644
--- a/core/java/android/transition/Fade.java
+++ b/core/java/android/transition/Fade.java
@@ -16,9 +16,14 @@
 
 package android.transition;
 
+import com.android.internal.R;
+
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
 import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
@@ -93,6 +98,13 @@ public class Fade extends Visibility {
         setMode(fadingMode);
     }
 
+    public Fade(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Fade);
+        int fadingMode = a.getInt(R.styleable.Fade_fadingMode, getMode());
+        setMode(fadingMode);
+    }
+
     /**
      * Utility method to handle creating and running the Animator.
      */