/** Draw the view into a bitmap. */
private static Bitmap getViewBitmap(View v) {
v.clearFocus();
v.setPressed(false);
boolean willNotCache = v.willNotCacheDrawing();
v.setWillNotCacheDrawing(false);
// Reset the drawing cache background color to fully transparent
// for the duration of this operation
int color = v.getDrawingCacheBackgroundColor();
v.setDrawingCacheBackgroundColor(0);
if (color != 0) {
v.destroyDrawingCache();
}
v.buildDrawingCache();
Bitmap cacheBitmap = v.getDrawingCache();
if (cacheBitmap == null) {
Log.e(TAG, "failed getViewBitmap(" + v + ")", new RuntimeException());
return null;
}
Bitmap bitmap = Bitmap.createBitmap(cacheBitmap);
// Restore the view
v.destroyDrawingCache();
v.setWillNotCacheDrawing(willNotCache);
v.setDrawingCacheBackgroundColor(color);
return bitmap;
}
/** Draw the view into a bitmap. */
private Bitmap getViewBitmap(View v) {
v.clearFocus();
v.setPressed(false);
boolean willNotCache = v.willNotCacheDrawing();
v.setWillNotCacheDrawing(false);
// Reset the drawing cache background color to fully transparent
// for the duration of this operation
int color = v.getDrawingCacheBackgroundColor();
v.setDrawingCacheBackgroundColor(0);
if (color != 0) {
v.destroyDrawingCache();
}
v.buildDrawingCache();
// float xScale = v.getScaleX();
// float yScale = v.getScaleY();
Bitmap cacheBitmap = v.getDrawingCache();
if (cacheBitmap == null) {
Log.e(TAG, "failed getViewBitmap(" + v + ")", new RuntimeException());
return null;
}
// if(xScale != 1.0f || xScale != 1.0f ){
// cacheBitmap = getResizedBitmap(cacheBitmap, (int)(cacheBitmap.getHeight()*yScale),
// (int)(cacheBitmap.getWidth()*xScale));
// }
Bitmap bitmap = Bitmap.createBitmap(cacheBitmap);
// Restore the view
v.destroyDrawingCache();
v.setWillNotCacheDrawing(willNotCache);
v.setDrawingCacheBackgroundColor(color);
return bitmap;
}
public static Bitmap getViewBitmap(View v) {
v.clearFocus();
v.setPressed(false);
// 能画缓存就返回false
boolean willNotCache = v.willNotCacheDrawing();
v.setWillNotCacheDrawing(false);
int color = v.getDrawingCacheBackgroundColor();
v.setDrawingCacheBackgroundColor(0);
if (color != 0) {
v.destroyDrawingCache();
}
v.buildDrawingCache();
Bitmap cacheBitmap = v.getDrawingCache();
if (cacheBitmap == null) {
return null;
}
Bitmap bitmap = Bitmap.createBitmap(cacheBitmap);
// Restore the view
v.destroyDrawingCache();
v.setWillNotCacheDrawing(willNotCache);
v.setDrawingCacheBackgroundColor(color);
return bitmap;
}
public void startDrag(View v, DragSource source, Object dragInfo, int dragAction) {
if (PROFILE_DRAWING_DURING_DRAG) {
android.os.Debug.startMethodTracing("Launcher");
}
mTagPopup = v.getTag(R.id.TAG_PREVIEW);
// Hide soft keyboard, if visible
if (mInputMethodManager == null) {
mInputMethodManager =
(InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
}
mInputMethodManager.hideSoftInputFromWindow(getWindowToken(), 0);
// Faruq: ArrayList For Each
for (DragListener l : mListener) {
l.onDragStart(v, source, dragInfo, dragAction);
}
Rect r = mDragRect;
r.set(v.getScrollX(), v.getScrollY(), 0, 0);
mOriginalX = mLastMotionX;
mOriginalY = mLastMotionY;
offsetDescendantRectToMyCoords(v, r);
mTouchOffsetX = mLastMotionX - r.left;
mTouchOffsetY = mLastMotionY - r.top;
v.clearFocus();
v.setPressed(false);
boolean willNotCache = v.willNotCacheDrawing();
v.setWillNotCacheDrawing(false);
// Reset the drawing cache background color to fully transparent
// for the duration of this operation
int color = v.getDrawingCacheBackgroundColor();
v.setDrawingCacheBackgroundColor(0);
if (color != 0) {
v.destroyDrawingCache();
}
v.buildDrawingCache();
Bitmap viewBitmap = v.getDrawingCache();
if (viewBitmap != null) {
mDrawModeBitmap = true;
int width = viewBitmap.getWidth();
int height = viewBitmap.getHeight();
Matrix scale = new Matrix();
float scaleFactor = v.getWidth();
scaleFactor = (scaleFactor + DRAG_SCALE) / scaleFactor;
scale.setScale(scaleFactor, scaleFactor);
mAnimationTo = 1.0f;
mAnimationFrom = 1.0f / scaleFactor;
mAnimationDuration = ANIMATION_SCALE_UP_DURATION;
mAnimationState = ANIMATION_STATE_STARTING;
mAnimationType = ANIMATION_TYPE_SCALE;
try {
mDragBitmap = Bitmap.createBitmap(viewBitmap, 0, 0, width, height, scale, true);
final Bitmap dragBitmap = mDragBitmap;
mBitmapOffsetX = (dragBitmap.getWidth() - width) / 2;
mBitmapOffsetY = (dragBitmap.getHeight() - height) / 2;
} catch (OutOfMemoryError e) {
mDrawModeBitmap = false;
width = v.getWidth();
height = v.getHeight();
scaleFactor = v.getWidth();
scaleFactor = (scaleFactor + DRAG_SCALE) / scaleFactor;
mDrawWidth = (int) (v.getWidth() * scaleFactor);
mDrawHeight = (int) (v.getHeight() * scaleFactor);
mAnimationTo = 1.0f;
mAnimationFrom = 1.0f / scaleFactor;
mAnimationDuration = ANIMATION_SCALE_UP_DURATION;
mAnimationState = ANIMATION_STATE_STARTING;
mAnimationType = ANIMATION_TYPE_SCALE;
mBitmapOffsetX = (mDrawWidth - width) / 2;
mBitmapOffsetY = (mDrawHeight - height) / 2;
}
v.destroyDrawingCache();
v.setWillNotCacheDrawing(willNotCache);
v.setDrawingCacheBackgroundColor(color);
} else {
mDrawModeBitmap = false;
int width = v.getWidth();
int height = v.getHeight();
float scaleFactor = v.getWidth();
scaleFactor = (scaleFactor + DRAG_SCALE) / scaleFactor;
mDrawWidth = (int) (v.getWidth() * scaleFactor);
mDrawHeight = (int) (v.getHeight() * scaleFactor);
mAnimationTo = 1.0f;
mAnimationFrom = 1.0f / scaleFactor;
mAnimationDuration = ANIMATION_SCALE_UP_DURATION;
mAnimationState = ANIMATION_STATE_STARTING;
mAnimationType = ANIMATION_TYPE_SCALE;
mBitmapOffsetX = (mDrawWidth - width) / 2;
mBitmapOffsetY = (mDrawHeight - height) / 2;
}
if (dragAction == DRAG_ACTION_MOVE) {
v.setVisibility(GONE);
}
mDragPaint = null;
mDragging = true;
mShouldDrop = true;
mOriginator = v;
mDragSource = source;
mDragInfo = dragInfo;
performHapticFeedback(
HapticFeedbackConstants.LONG_PRESS, HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
mEnteredRegion = false;
invalidate();
}