commit 80baf5a6b3c62a62265f626d43d1167783c94131
author Winson Chung <winsonc@google.com> Mon Aug 09 16:03:15 2010 -0700
committer Winson Chung <winsonc@google.com> Mon Aug 16 15:51:43 2010 -0700
tree da3dba4d3920ffbae802ab256c19d5f0b590089b
parent 321e9ee68848d9e782fd557f69cc070308ffbc9c

Adding paging for the widget/shortcut/folder customization area and fixing bugs.
Adding pages for customization drawer with initial implementation of proposed flow
layout for widgets.  Fixes for keeping all apps, and widgets in sync with Launcher
Model, optimizations for reloading all apps pages when invalidating.  Adding some
animations for tab transitions and feedback when long pressing to add certain items.

Change-Id: I8d51749f3a91c964bed35681f3a9192200b0d93e

src/com/android/launcher2/AllAppsTabbed.java

diff --git a/src/com/android/launcher2/AllAppsTabbed.java b/src/com/android/launcher2/AllAppsTabbed.java
index 0470cee..114da4e 100644
--- a/src/com/android/launcher2/AllAppsTabbed.java
+++ b/src/com/android/launcher2/AllAppsTabbed.java
@@ -18,6 +18,10 @@
 
 import java.util.ArrayList;
 
+import android.animation.Animatable;
+import android.animation.AnimatableListenerAdapter;
+import android.animation.Animator;
+import android.animation.PropertyAnimator;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Color;
@@ -96,16 +100,30 @@
 
         setOnTabChangedListener(new OnTabChangeListener() {
             public void onTabChanged(String tabId) {
-                String tag = getCurrentTabTag();
-                if (tag == TAG_ALL) {
-                    mAllApps.setAppFilter(AllAppsPagedView.ALL_APPS_FLAG);
-                } else if (tag == TAG_APPS) {
-                    mAllApps.setAppFilter(ApplicationInfo.APP_FLAG);
-                } else if (tag == TAG_GAMES) {
-                    mAllApps.setAppFilter(ApplicationInfo.GAME_FLAG);
-                } else if (tag == TAG_DOWNLOADED) {
-                    mAllApps.setAppFilter(ApplicationInfo.DOWNLOADED_FLAG);
-                }
+                // animate the changing of the tab content by fading pages in and out
+                final int duration = 150;
+                final float alpha = mAllApps.getAlpha();
+                Animator alphaAnim = new PropertyAnimator(duration, mAllApps, "alpha", alpha, 0.0f);
+                alphaAnim.addListener(new AnimatableListenerAdapter() {
+                    public void onAnimationEnd(Animatable animation) {
+                        String tag = getCurrentTabTag();
+                        if (tag == TAG_ALL) {
+                            mAllApps.setAppFilter(AllAppsPagedView.ALL_APPS_FLAG);
+                        } else if (tag == TAG_APPS) {
+                            mAllApps.setAppFilter(ApplicationInfo.APP_FLAG);
+                        } else if (tag == TAG_GAMES) {
+                            mAllApps.setAppFilter(ApplicationInfo.GAME_FLAG);
+                        } else if (tag == TAG_DOWNLOADED) {
+                            mAllApps.setAppFilter(ApplicationInfo.DOWNLOADED_FLAG);
+                        }
+
+                        final float alpha = mAllApps.getAlpha();
+                        Animator alphaAnim = 
+                            new PropertyAnimator(duration, mAllApps, "alpha", alpha, 1.0f);
+                        alphaAnim.start();
+                    }
+                });
+                alphaAnim.start();
             }
         });
 
@@ -135,9 +153,12 @@
 
     @Override
     public void setVisibility(int visibility) {
+        final boolean isVisible = (visibility == View.VISIBLE); 
         super.setVisibility(visibility);
-        float zoom = visibility == View.VISIBLE ? 1.0f : 0.0f;
+        float zoom = (isVisible ? 1.0f : 0.0f);
         mAllApps.zoom(zoom, false);
+        if (!isVisible)
+            mAllApps.cleanup();
     }
 
     @Override