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-rw-r--r--src/com/android/launcher2/AllAppsPagedView.java13
-rw-r--r--src/com/android/launcher2/CellLayout.java24
-rw-r--r--src/com/android/launcher2/DragController.java20
-rw-r--r--src/com/android/launcher2/DragView.java31
-rw-r--r--src/com/android/launcher2/Workspace.java190
5 files changed, 170 insertions, 108 deletions
diff --git a/src/com/android/launcher2/AllAppsPagedView.java b/src/com/android/launcher2/AllAppsPagedView.java
index 3924c5752..1f38d8d6e 100644
--- a/src/com/android/launcher2/AllAppsPagedView.java
+++ b/src/com/android/launcher2/AllAppsPagedView.java
@@ -24,6 +24,7 @@ import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
+import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
@@ -285,6 +286,16 @@ public class AllAppsPagedView extends PagedViewWithDraggableItems implements All
c.translate((v.getWidth() - icon.getIntrinsicWidth()) / 2, v.getPaddingTop());
icon.draw(c);
+ Rect dragRect = null;
+ if (v instanceof TextView) {
+ int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size);
+ int top = v.getPaddingTop();
+ int left = (b.getWidth() - iconSize) / 2;
+ int right = left + iconSize;
+ int bottom = top + iconSize;
+ dragRect = new Rect(left, top, right, bottom);
+ }
+
// We toggle the checked state _after_ we create the view for the drag in case toggling the
// checked state changes the view's look
if (v instanceof Checkable) {
@@ -304,7 +315,7 @@ public class AllAppsPagedView extends PagedViewWithDraggableItems implements All
// Start the drag
mLauncher.lockScreenOrientation();
mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b);
- mDragController.startDrag(v, b, this, app, DragController.DRAG_ACTION_COPY, null);
+ mDragController.startDrag(v, b, this, app, DragController.DRAG_ACTION_COPY, dragRect);
b.recycle();
return true;
}
diff --git a/src/com/android/launcher2/CellLayout.java b/src/com/android/launcher2/CellLayout.java
index ac9d54d65..9cb963c02 100644
--- a/src/com/android/launcher2/CellLayout.java
+++ b/src/com/android/launcher2/CellLayout.java
@@ -736,6 +736,22 @@ public class CellLayout extends ViewGroup {
result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap);
}
+ /**
+ * Given a cell coordinate, return the point that represents the upper left corner of that cell
+ *
+ * @param cellX X coordinate of the cell
+ * @param cellY Y coordinate of the cell
+ *
+ * @param result Array of 2 ints to hold the x and y coordinate of the point
+ */
+ void cellToCenterPoint(int cellX, int cellY, int[] result) {
+ final int hStartPadding = getLeftPadding();
+ final int vStartPadding = getTopPadding();
+
+ result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap) + mCellWidth / 2;
+ result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap) + mCellHeight / 2;
+ }
+
int getCellWidth() {
return mCellWidth;
}
@@ -1021,6 +1037,12 @@ public class CellLayout extends ViewGroup {
// mark space take by ignoreView as available (method checks if ignoreView is null)
markCellsAsUnoccupiedForView(ignoreView);
+ // For items with a spanX / spanY > 1, the passed in point (pixelX, pixelY) corresponds
+ // to the center of the item, but we are searching based on the top-left cell, so
+ // we translate the point over to correspond to the top-left.
+ pixelX -= (mCellWidth + mWidthGap) * (spanX - 1) / 2f;
+ pixelY -= (mCellHeight + mHeightGap) * (spanY - 1) / 2f;
+
// Keep track of best-scoring drop area
final int[] bestXY = result != null ? result : new int[2];
double bestDistance = Double.MAX_VALUE;
@@ -1045,7 +1067,7 @@ public class CellLayout extends ViewGroup {
}
}
final int[] cellXY = mTmpCellXY;
- cellToPoint(x, y, cellXY);
+ cellToCenterPoint(x, y, cellXY);
double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2)
+ Math.pow(cellXY[1] - pixelY, 2));
diff --git a/src/com/android/launcher2/DragController.java b/src/com/android/launcher2/DragController.java
index cb4509b21..5ca1e1c5d 100644
--- a/src/com/android/launcher2/DragController.java
+++ b/src/com/android/launcher2/DragController.java
@@ -73,10 +73,10 @@ public class DragController {
private boolean mDragging;
/** X coordinate of the down event. */
- private float mMotionDownX;
+ private int mMotionDownX;
/** Y coordinate of the down event. */
- private float mMotionDownY;
+ private int mMotionDownY;
/** Info about the screen for clamping. */
private DisplayMetrics mDisplayMetrics = new DisplayMetrics();
@@ -85,10 +85,10 @@ public class DragController {
private View mOriginator;
/** X offset from the upper-left corner of the cell to where we touched. */
- private float mTouchOffsetX;
+ private int mTouchOffsetX;
/** Y offset from the upper-left corner of the cell to where we touched. */
- private float mTouchOffsetY;
+ private int mTouchOffsetY;
/** the area at the edge of the screen that makes the workspace go left
* or right while you're dragging.
@@ -289,13 +289,14 @@ public class DragController {
listener.onDragStart(source, dragInfo, dragAction);
}
- int registrationX = ((int)mMotionDownX) - screenX;
- int registrationY = ((int)mMotionDownY) - screenY;
+ final int registrationX = ((int)mMotionDownX) - screenX;
+ final int registrationY = ((int)mMotionDownY) - screenY;
final int dragRegionLeft = dragRegion == null ? 0 : dragRegion.left;
final int dragRegionTop = dragRegion == null ? 0 : dragRegion.top;
- mTouchOffsetX = mMotionDownX - screenX - dragRegionLeft;
- mTouchOffsetY = mMotionDownY - screenY - dragRegionTop;
+
+ mTouchOffsetX = mMotionDownX - (screenX + dragRegionLeft);
+ mTouchOffsetY = mMotionDownY - (screenY + dragRegionTop);
mDragging = true;
mDragSource = source;
@@ -314,8 +315,7 @@ public class DragController {
});
if (dragRegion != null) {
- dragView.setDragRegion(dragRegionLeft, dragRegion.top,
- dragRegion.right - dragRegionLeft, dragRegion.bottom - dragRegionTop);
+ dragView.setDragRegion(new Rect(dragRegion));
}
dragView.show(mWindowToken, (int)mMotionDownX, (int)mMotionDownY);
diff --git a/src/com/android/launcher2/DragView.java b/src/com/android/launcher2/DragView.java
index ab997446d..b02e22b16 100644
--- a/src/com/android/launcher2/DragView.java
+++ b/src/com/android/launcher2/DragView.java
@@ -26,6 +26,7 @@ import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PixelFormat;
+import android.graphics.Rect;
import android.os.IBinder;
import android.view.Gravity;
import android.view.View;
@@ -42,10 +43,7 @@ public class DragView extends View {
private int mRegistrationX;
private int mRegistrationY;
- private int mDragRegionLeft = 0;
- private int mDragRegionTop = 0;
- private int mDragRegionWidth;
- private int mDragRegionHeight;
+ private Rect mDragRegion = null;
ValueAnimator mAnim;
private float mOffsetX = 0.0f;
@@ -117,7 +115,7 @@ public class DragView extends View {
});
mBitmap = Bitmap.createBitmap(bitmap, left, top, width, height, scale, true);
- setDragRegion(0, 0, width, height);
+ setDragRegion(new Rect(0, 0, width, height));
// The point in our scaled bitmap that the touch events are located
mRegistrationX = registrationX;
@@ -132,31 +130,32 @@ public class DragView extends View {
return mOffsetY;
}
- public void setDragRegion(int left, int top, int width, int height) {
- mDragRegionLeft = left;
- mDragRegionTop = top;
- mDragRegionWidth = width;
- mDragRegionHeight = height;
- }
-
public void setOnDrawRunnable(Runnable r) {
mOnDrawRunnable = r;
}
public int getDragRegionLeft() {
- return mDragRegionLeft;
+ return mDragRegion.left;
}
public int getDragRegionTop() {
- return mDragRegionTop;
+ return mDragRegion.top;
}
public int getDragRegionWidth() {
- return mDragRegionWidth;
+ return mDragRegion.width();
}
public int getDragRegionHeight() {
- return mDragRegionHeight;
+ return mDragRegion.height();
+ }
+
+ public void setDragRegion(Rect r) {
+ mDragRegion = r;
+ }
+
+ public Rect getDragRegion() {
+ return mDragRegion;
}
@Override
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java
index a156d0d82..324942c60 100644
--- a/src/com/android/launcher2/Workspace.java
+++ b/src/com/android/launcher2/Workspace.java
@@ -155,6 +155,7 @@ public class Workspace extends SmoothPagedView
// return an (x, y) value from helper functions. Do NOT use them to maintain other state.
private int[] mTempCell = new int[2];
private int[] mTempEstimate = new int[2];
+ private float[] mDragViewVisualCenter = new float[2];
private float[] mTempOriginXY = new float[2];
private float[] mTempDragCoordinates = new float[2];
private float[] mTempTouchCoordinates = new float[2];
@@ -2149,12 +2150,23 @@ public class Workspace extends SmoothPagedView
final int bmpWidth = b.getWidth();
final int bmpHeight = b.getHeight();
+
child.getLocationOnScreen(mTempXY);
final int screenX = (int) mTempXY[0] + (child.getWidth() - bmpWidth) / 2;
final int screenY = (int) mTempXY[1] + (child.getHeight() - bmpHeight) / 2;
- mLauncher.lockScreenOrientation();
- mDragController.startDrag(
- b, screenX, screenY, this, child.getTag(), DragController.DRAG_ACTION_MOVE);
+
+ Rect dragRect = null;
+ if (child instanceof BubbleTextView) {
+ int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size);
+ int top = child.getPaddingTop();
+ int left = (bmpWidth - iconSize) / 2;
+ int right = left + iconSize;
+ int bottom = top + iconSize;
+ dragRect = new Rect(left, top, right, bottom);
+ }
+
+ mDragController.startDrag(b, screenX, screenY, this, child.getTag(),
+ DragController.DRAG_ACTION_MOVE, dragRect);
b.recycle();
}
@@ -2178,8 +2190,6 @@ public class Workspace extends SmoothPagedView
// Based on the position of the drag view, find the top left of the original view
int viewX = dragViewX + (dragView.getWidth() - child.getMeasuredWidth()) / 2;
int viewY = dragViewY + (dragView.getHeight() - child.getMeasuredHeight()) / 2;
- viewX += getResources().getDimensionPixelSize(R.dimen.dragViewOffsetX);
- viewY += getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY);
// Set its old pos (in the new parent's coordinates); it will be animated
// in animateViewIntoPosition after the next layout pass
@@ -2282,22 +2292,12 @@ public class Workspace extends SmoothPagedView
public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
- boolean largeOrSpringLoaded = !mIsSmall || mWasSpringLoadedOnDragExit;
- int originX = largeOrSpringLoaded ? x - xOffset : x - xOffset + dragView.getWidth() / 2;
- int originY = largeOrSpringLoaded ? y - yOffset : y - yOffset + dragView.getHeight() / 2;
- if (mIsSmall || mIsInUnshrinkAnimation) {
- // get originX and originY in the local coordinate system of the screen
- mTempOriginXY[0] = originX;
- mTempOriginXY[1] = originY;
- mapPointFromSelfToChild(mDragTargetLayout, mTempOriginXY);
- originX = (int)mTempOriginXY[0];
- originY = (int)mTempOriginXY[1];
- if (!largeOrSpringLoaded) {
- originX -= mDragTargetLayout.getCellWidth() / 2;
- originY -= mDragTargetLayout.getCellHeight() / 2;
- }
- }
+ mDragViewVisualCenter = getDragViewVisualCenter(x, y, xOffset, yOffset, dragView,
+ mDragViewVisualCenter);
+
+ // We want the point to be mapped to the dragTarget.
+ mapPointFromSelfToChild(mDragTargetLayout, mDragViewVisualCenter, null);
// When you are in customization mode and drag to a particular screen, make that the
// new current/default screen, so any subsequent taps add items to that screen
@@ -2309,14 +2309,15 @@ public class Workspace extends SmoothPagedView
}
if (source != this) {
- final int[] touchXY = new int[] { originX, originY };
+ final int[] touchXY = new int[] { (int) mDragViewVisualCenter[0],
+ (int) mDragViewVisualCenter[1] };
if ((mIsSmall || mIsInUnshrinkAnimation) && !mLauncher.isAllAppsVisible()) {
// When the workspace is shrunk and the drop comes from customize, don't actually
// add the item to the screen -- customize will do this itself
((ItemInfo) dragInfo).dropPos = touchXY;
return;
}
- onDropExternal(touchXY, dragInfo, mDragTargetLayout, false, dragView, originX, originY);
+ onDropExternal(touchXY, dragInfo, mDragTargetLayout, false, dragView);
} else if (mDragInfo != null) {
final View cell = mDragInfo.cell;
CellLayout dropTargetLayout = mDragTargetLayout;
@@ -2336,9 +2337,9 @@ public class Workspace extends SmoothPagedView
// First we find the cell nearest to point at which the item is dropped, without
// any consideration to whether there is an item there.
- mTargetCell = findNearestArea(originX, originY,
- mDragInfo.spanX, mDragInfo.spanY, dropTargetLayout,
- mTargetCell);
+ mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
+ (int) mDragViewVisualCenter[1], mDragInfo.spanX, mDragInfo.spanY,
+ dropTargetLayout, mTargetCell);
final int screen = (mTargetCell == null) ?
mDragInfo.screen : indexOfChild(dropTargetLayout);
@@ -2362,9 +2363,9 @@ public class Workspace extends SmoothPagedView
// Aside from the special case where we're dropping a shortcut onto a shortcut,
// we need to find the nearest cell location that is vacant
- mTargetCell = findNearestVacantArea(originX, originY,
- mDragInfo.spanX, mDragInfo.spanY, cell, dropTargetLayout,
- mTargetCell);
+ mTargetCell = findNearestVacantArea((int) mDragViewVisualCenter[0],
+ (int) mDragViewVisualCenter[1], mDragInfo.spanX, mDragInfo.spanY, cell,
+ dropTargetLayout, mTargetCell);
if (screen != mCurrentPage) {
snapToPage(screen);
@@ -2423,14 +2424,30 @@ public class Workspace extends SmoothPagedView
final CellLayout parent = (CellLayout) cell.getParent().getParent();
+ int loc[] = new int[2];
+ getViewLocationRelativeToSelf(dragView, loc);
+
// Prepare it to be animated into its new position
// This must be called after the view has been re-parented
- setPositionForDropAnimation(dragView, originX, originY, parent, cell);
+ setPositionForDropAnimation(dragView, loc[0], loc[1], parent, cell);
boolean animateDrop = !mWasSpringLoadedOnDragExit;
parent.onDropChild(cell, animateDrop);
}
}
+ private void getViewLocationRelativeToSelf(View v, int[] location) {
+ getLocationOnScreen(location);
+ int x = location[0];
+ int y = location[1];
+
+ v.getLocationOnScreen(location);
+ int vX = location[0];
+ int vY = location[1];
+
+ location[0] = vX - x;
+ location[1] = vY - y;
+ }
+
public void onDragEnter(DragSource source, int x, int y, int xOffset,
int yOffset, DragView dragView, Object dragInfo) {
mDragTargetLayout = null; // Reset the drag state
@@ -2659,11 +2676,11 @@ public class Workspace extends SmoothPagedView
xy[1] -= (mScrollY - v.getTop());
}
- static private float squaredDistance(float[] point1, float[] point2) {
+ static private float squaredDistance(float[] point1, float[] point2) {
float distanceX = point1[0] - point2[0];
float distanceY = point2[1] - point2[1];
return distanceX * distanceX + distanceY * distanceY;
- }
+ }
/*
*
@@ -2761,21 +2778,57 @@ public class Workspace extends SmoothPagedView
return bestMatchingScreen;
}
+ // This is used to compute the visual center of the dragView. This point is then
+ // used to visualize drop locations and determine where to drop an item. The idea is that
+ // the visual center represents the user's interpretation of where the item is, and hence
+ // is the appropriate point to use when determining drop location.
+ private float[] getDragViewVisualCenter(int x, int y, int xOffset, int yOffset,
+ DragView dragView, float[] recycle) {
+ float res[];
+ if (recycle == null) {
+ res = new float[2];
+ } else {
+ res = recycle;
+ }
+
+ // First off, the drag view has been shifted in a way that is not represented in the
+ // x and y values or the x/yOffsets. Here we account for that shift.
+ x += getResources().getDimensionPixelSize(R.dimen.dragViewOffsetX);
+ y += getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY);
+
+ // These represent the visual top and left of drag view if a dragRect was provided.
+ // If a dragRect was not provided, then they correspond to the actual view left and
+ // top, as the dragRect is in that case taken to be the entire dragView.
+ // R.dimen.dragViewOffsetY.
+ int left = x - xOffset;
+ int top = y - yOffset;
+
+ // In order to find the visual center, we shift by half the dragRect
+ res[0] = left + dragView.getDragRegion().width() / 2;
+ res[1] = top + dragView.getDragRegion().height() / 2;
+
+ return res;
+ }
+
public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
// When touch is inside the scroll area, skip dragOver actions for the current screen
if (!mInScrollArea) {
CellLayout layout;
- int originX = x - xOffset;
- int originY = y - yOffset;
+ int left = x - xOffset;
+ int top = y - yOffset;
+
+ mDragViewVisualCenter = getDragViewVisualCenter(x, y, xOffset, yOffset, dragView,
+ mDragViewVisualCenter);
+
boolean shrunken = mIsSmall || mIsInUnshrinkAnimation;
if (shrunken) {
mLastDragView = dragView;
- mLastDragOriginX = originX;
- mLastDragOriginY = originY;
+ mLastDragOriginX = left;
+ mLastDragOriginY = top;
mLastDragXOffset = xOffset;
mLastDragYOffset = yOffset;
- layout = findMatchingPageForDragOver(dragView, originX, originY, xOffset, yOffset);
+ layout = findMatchingPageForDragOver(dragView, left, top, xOffset, yOffset);
if (layout != mDragTargetLayout) {
if (mDragTargetLayout != null) {
@@ -2821,35 +2874,14 @@ public class Workspace extends SmoothPagedView
}
}
- if (source instanceof AllAppsPagedView) {
- // This is a hack to fix the point used to determine which cell an icon from
- // the all apps screen is over
- if (item != null && item.spanX == 1 && layout != null) {
- int dragRegionLeft = (dragView.getWidth() - layout.getCellWidth()) / 2;
-
- originX += dragRegionLeft - dragView.getDragRegionLeft();
- if (dragView.getDragRegionWidth() != layout.getCellWidth()) {
- dragView.setDragRegion(dragView.getDragRegionLeft(),
- dragView.getDragRegionTop(),
- layout.getCellWidth(),
- dragView.getDragRegionHeight());
- }
- }
- } else if (source == this) {
- // When dragging from the workspace, the drag view is slightly bigger than
- // the original view, and offset vertically. Adjust to account for this.
- final View origView = mDragInfo.cell;
- originX += (dragView.getMeasuredWidth() - origView.getWidth()) / 2;
- originY += (dragView.getMeasuredHeight() - origView.getHeight()) / 2
- + dragView.getOffsetY();
- }
-
if (mDragTargetLayout != null) {
final View child = (mDragInfo == null) ? null : mDragInfo.cell;
- float[] localOrigin = { originX, originY };
- mapPointFromSelfToChild(mDragTargetLayout, localOrigin, null);
+ // We want the point to be mapped to the dragTarget.
+ mapPointFromSelfToChild(mDragTargetLayout, mDragViewVisualCenter, null);
mDragTargetLayout.visualizeDropLocation(child, mDragOutline,
- (int) localOrigin[0], (int) localOrigin[1], item.spanX, item.spanY);
+ (int) mDragViewVisualCenter[0],
+ (int) mDragViewVisualCenter[1],
+ item.spanX, item.spanY);
}
}
}
@@ -2897,7 +2929,7 @@ public class Workspace extends SmoothPagedView
private void onDropExternal(int[] touchXY, Object dragInfo,
CellLayout cellLayout, boolean insertAtFirst) {
- onDropExternal(touchXY, dragInfo, cellLayout, insertAtFirst, null, 0, 0);
+ onDropExternal(touchXY, dragInfo, cellLayout, insertAtFirst, null);
}
/**
@@ -2909,8 +2941,7 @@ public class Workspace extends SmoothPagedView
* to add an item to one of the workspace screens.
*/
private void onDropExternal(int[] touchXY, Object dragInfo,
- CellLayout cellLayout, boolean insertAtFirst, DragView dragView,
- int dragViewX, int dragViewY) {
+ CellLayout cellLayout, boolean insertAtFirst, DragView dragView) {
int screen = indexOfChild(cellLayout);
if (dragInfo instanceof PendingAddItemInfo) {
PendingAddItemInfo info = (PendingAddItemInfo) dragInfo;
@@ -2956,7 +2987,8 @@ public class Workspace extends SmoothPagedView
mTargetCell = new int[2];
if (touchXY != null) {
// when dragging and dropping, just find the closest free spot
- cellLayout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, mTargetCell);
+ mTargetCell = findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, null, cellLayout,
+ mTargetCell);
} else {
cellLayout.findCellForSpan(mTargetCell, 1, 1);
}
@@ -2969,7 +3001,11 @@ public class Workspace extends SmoothPagedView
cellLayout.getChildrenLayout().measureChild(view);
if (dragView != null) {
- setPositionForDropAnimation(dragView, dragViewX, dragViewY, cellLayout, view);
+ // we have the visual center of the drag view, we need to find the actual
+ // left and top of the dragView.
+ int loc[] = new int[2];
+ getViewLocationRelativeToSelf(dragView, loc);
+ setPositionForDropAnimation(dragView, loc[0], loc[1], cellLayout, view);
}
LauncherModel.addOrMoveItemInDatabase(mLauncher, info,
@@ -2998,30 +3034,24 @@ public class Workspace extends SmoothPagedView
/**
* Calculate the nearest cell where the given object would be dropped.
+ *
+ * pixelX and pixelY should be in the coordinate system of layout
*/
private int[] findNearestVacantArea(int pixelX, int pixelY,
int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) {
-
- int localPixelX = pixelX - (layout.getLeft() - mScrollX);
- int localPixelY = pixelY - (layout.getTop() - mScrollY);
-
- // Find the best target drop location
return layout.findNearestVacantArea(
- localPixelX, localPixelY, spanX, spanY, ignoreView, recycle);
+ pixelX, pixelY, spanX, spanY, ignoreView, recycle);
}
/**
* Calculate the nearest cell where the given object would be dropped.
+ *
+ * pixelX and pixelY should be in the coordinate system of layout
*/
private int[] findNearestArea(int pixelX, int pixelY,
- int spanX, int spanY,CellLayout layout, int[] recycle) {
-
- int localPixelX = pixelX - (layout.getLeft() - mScrollX);
- int localPixelY = pixelY - (layout.getTop() - mScrollY);
-
- // Find the best target drop location
+ int spanX, int spanY, CellLayout layout, int[] recycle) {
return layout.findNearestArea(
- localPixelX, localPixelY, spanX, spanY, recycle);
+ pixelX, pixelY, spanX, spanY, recycle);
}
void setLauncher(Launcher launcher) {