Tweaking pickup animation, vibration and removing glow from drag view.

Change-Id: I8c9741e8b63ca9a0fc4af90e178dbb02fa912d83

res/values/config.xml

@@ -63,6 +63,7 @@
 
     <!-- Parameters controlling the animation for when an item is dropped on the home screen,
          and it animates from its old position to the new one. -->
+    <integer name="config_dropAnimMinDuration">100</integer>
     <integer name="config_dropAnimMaxDuration">500</integer>
 
     <!-- The duration of the UserFolder opening and closing animation -->

src/com/android/launcher2/DragController.java

@@ -49,7 +49,7 @@ public class DragController {
 
     private static final int SCROLL_DELAY = 500;
     private static final int RESCROLL_DELAY = 750;
-    private static final int VIBRATE_DURATION = 35;
+    private static final int VIBRATE_DURATION = 15;
 
     private static final boolean PROFILE_DRAWING_DURING_DRAG = false;
 

src/com/android/launcher2/DragLayer.java

@@ -541,6 +541,7 @@ public class DragLayer extends FrameLayout {
             if (dist < maxDist) {
                 duration *= mCubicEaseOutInterpolator.getInterpolation(dist / maxDist);
             }
+            duration = Math.max(duration, res.getInteger(R.integer.config_dropAnimMinDuration));
         }
 
         if (mDropAnim != null) {

src/com/android/launcher2/DragView.java

@@ -75,7 +75,6 @@ public class DragView extends View {
         // Animate the view into the correct position
         mAnim = ValueAnimator.ofFloat(0.0f, 1.0f);
         mAnim.setDuration(150);
-        mAnim.setInterpolator(new DecelerateInterpolator(1.5f));
         mAnim.addUpdateListener(new AnimatorUpdateListener() {
             @Override
             public void onAnimationUpdate(ValueAnimator animation) {

src/com/android/launcher2/Workspace.java

@@ -58,6 +58,7 @@ import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.ViewGroup;
 import android.view.View.MeasureSpec;
+import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.ImageView;
 import android.widget.TextView;
@@ -365,7 +366,10 @@ public class Workspace extends SmoothPagedView
         mLauncher.lockScreenOrientationOnLargeUI();
 
         // Fade out the workspace slightly to highlight the currently dragging item
-        animate().alpha(mDragFadeOutAlpha).setDuration(mDragFadeOutDuration).start();
+        animate().alpha(mDragFadeOutAlpha)
+                 .setInterpolator(new AccelerateInterpolator())
+                 .setDuration(mDragFadeOutDuration)
+                 .start();
     }
 
     public void onDragEnd() {
@@ -374,7 +378,10 @@ public class Workspace extends SmoothPagedView
         mLauncher.unlockScreenOrientationOnLargeUI();
 
         // Fade the workspace back in after we have completed dragging
-        animate().alpha(1f).setDuration(mDragFadeOutDuration).start();
+        animate().alpha(1f)
+                 .setInterpolator(new AccelerateInterpolator())
+                 .setDuration(mDragFadeOutDuration)
+                 .start();
     }
 
     /**
@@ -1824,7 +1831,6 @@ public class Workspace extends SmoothPagedView
 
         canvas.setBitmap(b);
         drawDragView(v, canvas, padding, true);
-        mOutlineHelper.applyOuterBlur(b, canvas, outlineColor);
         canvas.setBitmap(null);
 
         return b;