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Adding animations to Customize drawer

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-When you tap to add in customize drawer the widgets
 / app shortcuts now animate to the mini screens

Change-Id: I0a5b5ae561fda3fbbf902003273477a5ed7ca5cc
This commit is contained in:
Adam Cohen
2010-12-08 11:05:37 -08:00
parent b5a2b2fff3
commit 120980bd00
5 changed files with 153 additions and 50 deletions
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124
src/com/android/launcher2/CustomizePagedView.java
View File

@@ -16,10 +16,18 @@
package com.android.launcher2;
import com.android.launcher.R;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.xmlpull.v1.XmlPullParser;
import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.animation.TimeInterpolator;
import android.animation.Animator.AnimatorListener;
import android.app.WallpaperManager;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProviderInfo;
@@ -48,13 +56,12 @@ import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.ImageView;
import android.widget.LinearLayout;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import com.android.launcher.R;
public class CustomizePagedView extends PagedView
@@ -112,6 +119,12 @@ public class CustomizePagedView extends PagedView
private final Canvas mCanvas = new Canvas();
private final LayoutInflater mInflater;
private final float mTmpFloatPos[] = new float[2];
private final float ANIMATION_SCALE = 0.5f;
private final int ANIMATION_DURATION = 400;
private TimeInterpolator mQuintEaseOutInterpolator = new DecelerateInterpolator(2.5f);
private ScaleAlphaInterpolator mScaleAlphaInterpolator = new ScaleAlphaInterpolator();
public CustomizePagedView(Context context) {
this(context, null, 0);
}
@@ -318,8 +331,84 @@ public class CustomizePagedView extends PagedView
public void onDragViewVisible() {
}
class ScaleAlphaInterpolator implements Interpolator {
public float getInterpolation(float input) {
float pivot = 0.5f;
if (input < pivot) {
return 0;
} else {
return (input - pivot)/(1 - pivot);
}
}
}
private void animateItemOntoScreen(View dragView,
final CellLayout layout, final ItemInfo info) {
mTmpFloatPos[0] = layout.getWidth() / 2;
mTmpFloatPos[1] = layout.getHeight() / 2;
mLauncher.getWorkspace().mapPointFromChildToSelf(layout, mTmpFloatPos);
final DragLayer dragLayer = (DragLayer) mLauncher.findViewById(R.id.drag_layer);
final View dragCopy = dragLayer.createDragView(dragView);
dragCopy.setAlpha(1.0f);
int dragViewWidth = dragView.getMeasuredWidth();
int dragViewHeight = dragView.getMeasuredHeight();
float heightOffset = 0;
float widthOffset = 0;
if (dragView instanceof ImageView) {
Drawable d = ((ImageView) dragView).getDrawable();
int width = d.getIntrinsicWidth();
int height = d.getIntrinsicHeight();
if ((1.0 * width / height) >= (1.0f * dragViewWidth) / dragViewHeight) {
float f = (dragViewWidth / (width * 1.0f));
heightOffset = ANIMATION_SCALE * (dragViewHeight - f * height) / 2;
} else {
float f = (dragViewHeight / (height * 1.0f));
widthOffset = ANIMATION_SCALE * (dragViewWidth - f * width) / 2;
}
}
float toX = mTmpFloatPos[0] - dragView.getMeasuredWidth() / 2 + widthOffset;
float toY = mTmpFloatPos[1] - dragView.getMeasuredHeight() / 2 + heightOffset;
ObjectAnimator posAnim = ObjectAnimator.ofPropertyValuesHolder(dragCopy,
PropertyValuesHolder.ofFloat("x", toX),
PropertyValuesHolder.ofFloat("y", toY));
posAnim.setInterpolator(mQuintEaseOutInterpolator);
posAnim.setDuration(ANIMATION_DURATION);
posAnim.addListener(new AnimatorListener() {
public void onAnimationCancel(Animator animation) {}
public void onAnimationRepeat(Animator animation) {}
public void onAnimationStart(Animator animation) {}
public void onAnimationEnd(Animator animation) {
dragLayer.removeView(dragCopy);
mLauncher.addExternalItemToScreen(info, layout);
post(new Runnable() {
public void run() {
layout.animateDrop();
}
});
}
});
ObjectAnimator scaleAlphaAnim = ObjectAnimator.ofPropertyValuesHolder(dragCopy,
PropertyValuesHolder.ofFloat("alpha", 1.0f, 0.0f),
PropertyValuesHolder.ofFloat("scaleX", ANIMATION_SCALE),
PropertyValuesHolder.ofFloat("scaleY", ANIMATION_SCALE));
scaleAlphaAnim.setInterpolator(mScaleAlphaInterpolator);
scaleAlphaAnim.setDuration(ANIMATION_DURATION);
posAnim.start();
scaleAlphaAnim.start();
}
@Override
public void onClick(View v) {
public void onClick(final View v) {
// Return early if this is not initiated from a touch
if (!v.isInTouchMode()) return;
// Return early if we are still animating the pages
@@ -351,11 +440,12 @@ public class CustomizePagedView extends PagedView
Workspace w = mLauncher.getWorkspace();
int currentWorkspaceScreen = mLauncher.getCurrentWorkspaceScreen();
final CellLayout cl = (CellLayout)w.getChildAt(currentWorkspaceScreen);
final View dragView = getDragView(v);
animateClickFeedback(v, new Runnable() {
@Override
public void run() {
mLauncher.addExternalItemToScreen(itemInfo, cl);
animateItemOntoScreen(dragView, cl, itemInfo);
}
});
return;
@@ -484,6 +574,11 @@ public class CustomizePagedView extends PagedView
return b;
}
private View getDragView(View v) {
return (mCustomizationType == CustomizationType.WidgetCustomization) ?
v.findViewById(R.id.widget_preview) : v;
}
private boolean beginDragging(View v) {
// End the current choice mode before we start dragging anything
if (isChoiceMode(CHOICE_MODE_SINGLE)) {
@@ -491,24 +586,19 @@ public class CustomizePagedView extends PagedView
}
mIsDragging = true;
PendingAddItemInfo createItemInfo;
switch (mCustomizationType) {
case WidgetCustomization:
// Get the icon as the drag representation
final LinearLayout l = (LinearLayout) v;
final Drawable icon = ((ImageView) l.findViewById(R.id.widget_preview)).getDrawable();
Bitmap b = drawableToBitmap(icon);
// Get the widget preview as the drag representation
PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) v.getTag();
final View dragView = v.findViewById(R.id.widget_preview);
mLauncher.getWorkspace().onDragStartedWithItemMinSize(
createWidgetInfo.minWidth, createWidgetInfo.minHeight);
mDragController.startDrag(v, b, this, createWidgetInfo, DragController.DRAG_ACTION_COPY, null);
mDragController.startDrag(dragView, this, createWidgetInfo, DragController.DRAG_ACTION_COPY, null);
// Cleanup the icon
b.recycle();
return true;
case ShortcutCustomization:
createItemInfo = (PendingAddItemInfo) v.getTag();
PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag();
mDragController.startDrag(v, this, createItemInfo, DragController.DRAG_ACTION_COPY);
mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1);
return true;
@@ -881,7 +971,7 @@ public class CustomizePagedView extends PagedView
PagedViewIcon icon = (PagedViewIcon) mInflater.inflate(
R.layout.customize_paged_view_item, layout, false);
icon.applyFromResolveInfo(info, mPackageManager, mPageViewIconCache,
((LauncherApplication)mLauncher.getApplication()).getIconCache());
((LauncherApplication) mLauncher.getApplication()).getIconCache());
switch (mCustomizationType) {
case WallpaperCustomization:
icon.setOnClickListener(this);